<?xml version="1.0" encoding="UTF-8"?>

<!--XBRL Document Created with Wdesk from Workiva-->
<!--Copyright 2020 Workiva-->
<!--r:076774ea-1727-4dba-9909-cb5e531dc74c,g:f4d27561-6a84-4083-972e-92e3c3450632-->
<link:linkbase xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
  <link:roleRef roleURI="http://www.utc.com/role/DocumentandEntityInformation" xlink:type="simple" xlink:href="utx-20200930.xsd#DocumentandEntityInformation"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/DocumentandEntityInformation" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_utx_DocumentAndEntityInformationAbstract_ea72507a-a80a-4e21-a483-f1e892a293b4" xlink:href="utx-20200930.xsd#utx_DocumentAndEntityInformationAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_adc13d89-bc76-466b-b82c-bbaa1f33d542" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_DocumentAndEntityInformationAbstract_ea72507a-a80a-4e21-a483-f1e892a293b4" xlink:to="loc_us-gaap_StatementTable_adc13d89-bc76-466b-b82c-bbaa1f33d542" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementClassOfStockAxis_da9f68a7-f638-4823-a112-f8cdd84254df" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementClassOfStockAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_adc13d89-bc76-466b-b82c-bbaa1f33d542" xlink:to="loc_us-gaap_StatementClassOfStockAxis_da9f68a7-f638-4823-a112-f8cdd84254df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassOfStockDomain_14d82d80-b1b1-43ed-8923-245e4b38ac9c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassOfStockDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementClassOfStockAxis_da9f68a7-f638-4823-a112-f8cdd84254df" xlink:to="loc_us-gaap_ClassOfStockDomain_14d82d80-b1b1-43ed-8923-245e4b38ac9c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_da3f265a-652e-42c9-803f-6cb48b8a99e1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_14d82d80-b1b1-43ed-8923-245e4b38ac9c" xlink:to="loc_us-gaap_CommonStockMember_da3f265a-652e-42c9-803f-6cb48b8a99e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2.150Due2030Member_23a880b3-a47c-4b33-9063-83f595cc0036" xlink:href="utx-20200930.xsd#utx_Notes2.150Due2030Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassOfStockDomain_14d82d80-b1b1-43ed-8923-245e4b38ac9c" xlink:to="loc_utx_Notes2.150Due2030Member_23a880b3-a47c-4b33-9063-83f595cc0036" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_adc13d89-bc76-466b-b82c-bbaa1f33d542" xlink:to="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_AmendmentFlag_7c090081-139a-41b1-b14a-f4a453e3b1e1" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_AmendmentFlag"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_AmendmentFlag_7c090081-139a-41b1-b14a-f4a453e3b1e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalYearFocus_8105bd0e-a90c-4cd9-aa73-8c5821d364d1" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalYearFocus"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_DocumentFiscalYearFocus_8105bd0e-a90c-4cd9-aa73-8c5821d364d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentFiscalPeriodFocus_aa0f22f0-e8b9-4721-97de-097581008777" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentFiscalPeriodFocus"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_DocumentFiscalPeriodFocus_aa0f22f0-e8b9-4721-97de-097581008777" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CurrentFiscalYearEndDate_bef0e50f-c01d-4226-a249-8e963a13e06b" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CurrentFiscalYearEndDate"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_CurrentFiscalYearEndDate_bef0e50f-c01d-4226-a249-8e963a13e06b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCentralIndexKey_415dfe1a-1c67-479a-822d-0eb3607b5090" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCentralIndexKey"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityCentralIndexKey_415dfe1a-1c67-479a-822d-0eb3607b5090" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentType_8310b7ea-a776-4fbc-b26f-07d4ee390cef" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentType"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_DocumentType_8310b7ea-a776-4fbc-b26f-07d4ee390cef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentQuarterlyReport_d8df84e0-c3d1-43f2-9a1b-5c885e45146d" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentQuarterlyReport"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_DocumentQuarterlyReport_d8df84e0-c3d1-43f2-9a1b-5c885e45146d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentPeriodEndDate_6ad03f11-da19-4b96-b920-a4e8193472b0" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentPeriodEndDate"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_DocumentPeriodEndDate_6ad03f11-da19-4b96-b920-a4e8193472b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_DocumentTransitionReport_4e378957-27d3-4cfa-b654-961c2263c8f3" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_DocumentTransitionReport"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_DocumentTransitionReport_4e378957-27d3-4cfa-b654-961c2263c8f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFileNumber_677db1cd-9a83-46ce-903c-3495950eb577" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFileNumber"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityFileNumber_677db1cd-9a83-46ce-903c-3495950eb577" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityRegistrantName_55be62fe-7b22-4039-a35f-e8b1760cc22b" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityRegistrantName"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityRegistrantName_55be62fe-7b22-4039-a35f-e8b1760cc22b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityIncorporationStateCountryCode_9d463875-f922-4dc5-9cdc-dcce244af71e" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityIncorporationStateCountryCode"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityIncorporationStateCountryCode_9d463875-f922-4dc5-9cdc-dcce244af71e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityTaxIdentificationNumber_81782765-257e-400f-b8f4-55976447be85" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityTaxIdentificationNumber"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityTaxIdentificationNumber_81782765-257e-400f-b8f4-55976447be85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressAddressLine1_7c89b99a-d43f-4e42-a4a1-7433c4a15f6b" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressAddressLine1"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityAddressAddressLine1_7c89b99a-d43f-4e42-a4a1-7433c4a15f6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressCityOrTown_8c36e675-da3d-4f87-871f-0c227479e602" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressCityOrTown"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityAddressCityOrTown_8c36e675-da3d-4f87-871f-0c227479e602" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressStateOrProvince_ad013406-7b3f-4fbf-b02e-b00d3032ec20" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressStateOrProvince"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityAddressStateOrProvince_ad013406-7b3f-4fbf-b02e-b00d3032ec20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityAddressPostalZipCode_1385136e-85b5-4517-a935-487c8b32d862" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityAddressPostalZipCode"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityAddressPostalZipCode_1385136e-85b5-4517-a935-487c8b32d862" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_CityAreaCode_186d5cc9-181a-4f22-acc0-0c4f360f9608" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_CityAreaCode"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_CityAreaCode_186d5cc9-181a-4f22-acc0-0c4f360f9608" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_LocalPhoneNumber_ec11278f-0b3c-4f1c-a0a3-5fe850ca2b33" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_LocalPhoneNumber"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_LocalPhoneNumber_ec11278f-0b3c-4f1c-a0a3-5fe850ca2b33" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_Security12bTitle_6c887258-1edf-4ec3-9fc8-0dfcae3d44bb" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_Security12bTitle"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_Security12bTitle_6c887258-1edf-4ec3-9fc8-0dfcae3d44bb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_TradingSymbol_4a53d02f-374f-4d58-a381-098c8e7d162b" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_TradingSymbol"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_TradingSymbol_4a53d02f-374f-4d58-a381-098c8e7d162b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_SecurityExchangeName_6b348ec1-dda1-4c27-9708-cd515dd16980" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_SecurityExchangeName"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_SecurityExchangeName_6b348ec1-dda1-4c27-9708-cd515dd16980" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCurrentReportingStatus_315fa94f-947e-4a32-a261-e8e593d7dc14" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCurrentReportingStatus"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityCurrentReportingStatus_315fa94f-947e-4a32-a261-e8e593d7dc14" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityInteractiveDataCurrent_aff26fed-f5ec-4ed8-b6b4-256751064177" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityInteractiveDataCurrent"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityInteractiveDataCurrent_aff26fed-f5ec-4ed8-b6b4-256751064177" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityFilerCategory_c28cc9ee-7dce-4e12-a7c2-99484d5c5042" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityFilerCategory"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityFilerCategory_c28cc9ee-7dce-4e12-a7c2-99484d5c5042" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntitySmallBusiness_652a7acf-d952-47dd-b9eb-495985a8c04f" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntitySmallBusiness"/>
    <link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntitySmallBusiness_652a7acf-d952-47dd-b9eb-495985a8c04f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityEmergingGrowthCompany_e2757d78-350f-4caa-87fb-ed23f79f3676" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityEmergingGrowthCompany"/>
    <link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityEmergingGrowthCompany_e2757d78-350f-4caa-87fb-ed23f79f3676" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityShellCompany_a2a7d307-896e-421f-93a3-79a7a275f4da" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityShellCompany"/>
    <link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityShellCompany_a2a7d307-896e-421f-93a3-79a7a275f4da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_dei_EntityCommonStockSharesOutstanding_81ee8b87-bd87-40e0-9365-1f655d3fee60" xlink:href="https://xbrl.sec.gov/dei/2019/dei-2019-01-31.xsd#dei_EntityCommonStockSharesOutstanding"/>
    <link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_fdc2069f-a3ed-475d-88f7-e291a2d716c7" xlink:to="loc_dei_EntityCommonStockSharesOutstanding_81ee8b87-bd87-40e0-9365-1f655d3fee60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/CondensedConsolidatedStatementofOperations" xlink:type="simple" xlink:href="utx-20200930.xsd#CondensedConsolidatedStatementofOperations"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/CondensedConsolidatedStatementofOperations" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementAbstract_2dab203b-51d7-44ee-87e4-1bd863d634c4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_c7319a50-66ff-48de-9eb0-c3cade99fb4e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementAbstract_2dab203b-51d7-44ee-87e4-1bd863d634c4" xlink:to="loc_us-gaap_StatementTable_c7319a50-66ff-48de-9eb0-c3cade99fb4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_a9a21ebe-383f-4b77-bf68-20d6cd6c984b" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_c7319a50-66ff-48de-9eb0-c3cade99fb4e" xlink:to="loc_srt_ProductOrServiceAxis_a9a21ebe-383f-4b77-bf68-20d6cd6c984b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_99a0f086-54bc-4927-825c-c432e4999bfc" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_a9a21ebe-383f-4b77-bf68-20d6cd6c984b" xlink:to="loc_srt_ProductsAndServicesDomain_99a0f086-54bc-4927-825c-c432e4999bfc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_efc08c08-cc53-4b8a-ba07-8c62f5b71649" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_99a0f086-54bc-4927-825c-c432e4999bfc" xlink:to="loc_us-gaap_ProductMember_efc08c08-cc53-4b8a-ba07-8c62f5b71649" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_ffeddfcd-48cf-4bd1-83ad-fa84747ecfa8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ServiceMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_99a0f086-54bc-4927-825c-c432e4999bfc" xlink:to="loc_us-gaap_ServiceMember_ffeddfcd-48cf-4bd1-83ad-fa84747ecfa8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_c7319a50-66ff-48de-9eb0-c3cade99fb4e" xlink:to="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenuesAbstract_43959717-cc17-49ba-9392-f42f2343778b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenuesAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_RevenuesAbstract_43959717-cc17-49ba-9392-f42f2343778b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_435fc36a-2898-4544-904a-d739d2bd81d5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenuesAbstract_43959717-cc17-49ba-9392-f42f2343778b" xlink:to="loc_us-gaap_Revenues_435fc36a-2898-4544-904a-d739d2bd81d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpensesAbstract_09680e0f-3d82-4f68-898b-5f2ab27eafce" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostsAndExpensesAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_CostsAndExpensesAbstract_09680e0f-3d82-4f68-898b-5f2ab27eafce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfGoodsAndServicesSold_2a6d496f-5db9-48c7-a15d-725b724cb241" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfGoodsAndServicesSold"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_09680e0f-3d82-4f68-898b-5f2ab27eafce" xlink:to="loc_us-gaap_CostOfGoodsAndServicesSold_2a6d496f-5db9-48c7-a15d-725b724cb241" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpense_2424e742-a617-456b-83f5-4fc3765799db" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_09680e0f-3d82-4f68-898b-5f2ab27eafce" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpense_2424e742-a617-456b-83f5-4fc3765799db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpense_d3d9873d-b357-43a2-a29e-74180f5a5a0c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpense"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_09680e0f-3d82-4f68-898b-5f2ab27eafce" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpense_d3d9873d-b357-43a2-a29e-74180f5a5a0c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostsAndExpenses_e515d443-5d9d-43db-832e-2b82f78bb9b6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostsAndExpenses"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CostsAndExpensesAbstract_09680e0f-3d82-4f68-898b-5f2ab27eafce" xlink:to="loc_us-gaap_CostsAndExpenses_e515d443-5d9d-43db-832e-2b82f78bb9b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_3b77e571-7617-4ff1-9023-2c744ee85803" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_3b77e571-7617-4ff1-9023-2c744ee85803" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncome_d3cf7465-396f-42cb-93d8-de87846109a8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherOperatingIncome"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_OtherOperatingIncome_d3cf7465-396f-42cb-93d8-de87846109a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_c0f9d4c8-3674-4470-a069-56800ff28ec1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_OperatingIncomeLoss_c0f9d4c8-3674-4470-a069-56800ff28ec1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent_ac4ea383-3e3b-4b61-bf63-b9a6b82642de" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent_ac4ea383-3e3b-4b61-bf63-b9a6b82642de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InterestExpense_7d5cfac4-e090-41c5-a029-8bc3df761676" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InterestExpense"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_InterestExpense_7d5cfac4-e090-41c5-a029-8bc3df761676" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpense_ddc4fde3-6100-40d3-9bf0-c7829933f1e6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpense"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_NonoperatingIncomeExpense_ddc4fde3-6100-40d3-9bf0-c7829933f1e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_09b1786a-8874-4368-93d5-006295132173" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_09b1786a-8874-4368-93d5-006295132173" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxExpenseBenefit_de950a51-69a6-4c58-aded-035156b976e9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxExpenseBenefit"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_IncomeTaxExpenseBenefit_de950a51-69a6-4c58-aded-035156b976e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_6efce7a7-97a7-4b12-8cb1-12d2bdce69f7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_6efce7a7-97a7-4b12-8cb1-12d2bdce69f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_bfe4e1d7-a79e-4f71-81af-95bc10869d70" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsAttributableToNoncontrollingEntity_bfe4e1d7-a79e-4f71-81af-95bc10869d70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_946f81de-b2c8-4aa7-b925-ab84a16d5abc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_946f81de-b2c8-4aa7-b925-ab84a16d5abc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_3157f69e-3df1-49bf-b530-dc7e1aa6b72c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_3157f69e-3df1-49bf-b530-dc7e1aa6b72c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_e0ed4d9f-944b-4be0-bc50-3e55ec4f1d3b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_3157f69e-3df1-49bf-b530-dc7e1aa6b72c" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_e0ed4d9f-944b-4be0-bc50-3e55ec4f1d3b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_751673e4-2bfa-4dd1-9d79-a900f654419c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_3157f69e-3df1-49bf-b530-dc7e1aa6b72c" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_751673e4-2bfa-4dd1-9d79-a900f654419c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_2d9a51c3-b3ee-46a3-99e5-941d4eb556f6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_3157f69e-3df1-49bf-b530-dc7e1aa6b72c" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_2d9a51c3-b3ee-46a3-99e5-941d4eb556f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_ad6c68cd-3ffe-459b-b7c9-59c911f4deb8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_3157f69e-3df1-49bf-b530-dc7e1aa6b72c" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_ad6c68cd-3ffe-459b-b7c9-59c911f4deb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_e0f38c88-e6a6-4baa-b206-00c7b047ee3d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDisclosuresAbstract_3157f69e-3df1-49bf-b530-dc7e1aa6b72c" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_e0f38c88-e6a6-4baa-b206-00c7b047ee3d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_60615a5c-b779-4574-8be1-d41446efc0b9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_NetIncomeLoss_60615a5c-b779-4574-8be1-d41446efc0b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_1da2b7c5-a8f7-4dbd-95d8-14b173840ce4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_1da2b7c5-a8f7-4dbd-95d8-14b173840ce4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_915db1d6-e37d-4478-9ccf-5a1afb14828f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_1da2b7c5-a8f7-4dbd-95d8-14b173840ce4" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_915db1d6-e37d-4478-9ccf-5a1afb14828f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_96a56ff1-80ec-4b7c-835f-cd8d5781695e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_1da2b7c5-a8f7-4dbd-95d8-14b173840ce4" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_96a56ff1-80ec-4b7c-835f-cd8d5781695e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_04aa0ffe-b80e-4d79-b5be-de7dee8062da" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_1da2b7c5-a8f7-4dbd-95d8-14b173840ce4" xlink:to="loc_us-gaap_EarningsPerShareBasic_04aa0ffe-b80e-4d79-b5be-de7dee8062da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_ec504b16-c1b7-476f-8668-9b8160099b43" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_a0383694-5858-4d7b-a4bd-b4b180fa1ee2" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_ec504b16-c1b7-476f-8668-9b8160099b43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_0a04e137-851c-4cb6-800c-9ed92c55d1b8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_ec504b16-c1b7-476f-8668-9b8160099b43" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_0a04e137-851c-4cb6-800c-9ed92c55d1b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_60540986-c05b-435c-acbb-4cb9bbf9518e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_ec504b16-c1b7-476f-8668-9b8160099b43" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_60540986-c05b-435c-acbb-4cb9bbf9518e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_979fe9f9-eb09-49cf-87fa-66be5d60bdd8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_ec504b16-c1b7-476f-8668-9b8160099b43" xlink:to="loc_us-gaap_EarningsPerShareDiluted_979fe9f9-eb09-49cf-87fa-66be5d60bdd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/CondensedConsolidatedStatementofComprehensiveLossIncome" xlink:type="simple" xlink:href="utx-20200930.xsd#CondensedConsolidatedStatementofComprehensiveLossIncome"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/CondensedConsolidatedStatementofComprehensiveLossIncome" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_e438ba93-27c9-4644-98c6-1fe709dc4704" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProfitLoss_6bf5c7a1-8c06-41f2-8fff-cbc2ee69446f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProfitLoss"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_e438ba93-27c9-4644-98c6-1fe709dc4704" xlink:to="loc_us-gaap_ProfitLoss_6bf5c7a1-8c06-41f2-8fff-cbc2ee69446f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract_ec787327-f1c3-4f51-bfbb-ff2de1729647" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_e438ba93-27c9-4644-98c6-1fe709dc4704" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract_ec787327-f1c3-4f51-bfbb-ff2de1729647" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_68c28054-5924-4b20-b1b4-8173d1259ff6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract_ec787327-f1c3-4f51-bfbb-ff2de1729647" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentBeforeTax_68c28054-5924-4b20-b1b4-8173d1259ff6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_acfb030e-ec09-4154-990d-92f027776ac5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract_ec787327-f1c3-4f51-bfbb-ff2de1729647" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeTax_acfb030e-ec09-4154-990d-92f027776ac5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_089dc108-1a0c-4edb-a89d-b2f16a45ec28" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract_ec787327-f1c3-4f51-bfbb-ff2de1729647" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationBeforeTax_089dc108-1a0c-4edb-a89d-b2f16a45ec28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_88595d8e-d4ac-4083-a509-49b13e83a315" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossBeforeTax"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTaxPeriodIncreaseDecreaseAbstract_ec787327-f1c3-4f51-bfbb-ff2de1729647" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossBeforeTax_88595d8e-d4ac-4083-a509-49b13e83a315" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossTax_f8689d94-7e11-4ad6-b175-b6823fa81899" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_e438ba93-27c9-4644-98c6-1fe709dc4704" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossTax_f8689d94-7e11-4ad6-b175-b6823fa81899" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_a96814e6-bea5-4892-9bd4-d41dab54e835" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTax"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_e438ba93-27c9-4644-98c6-1fe709dc4704" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTax_a96814e6-bea5-4892-9bd4-d41dab54e835" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_d3f2cc9d-b166-42a0-8c65-1c7eb3935236" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_e438ba93-27c9-4644-98c6-1fe709dc4704" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxIncludingPortionAttributableToNoncontrollingInterest_d3f2cc9d-b166-42a0-8c65-1c7eb3935236" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_f0fbc5ed-2540-4f73-9e29-32d807785a0e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_e438ba93-27c9-4644-98c6-1fe709dc4704" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTaxAttributableToNoncontrollingInterest_f0fbc5ed-2540-4f73-9e29-32d807785a0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNetOfTax_4f4e76ca-3077-4bd0-90e3-e5b89cc8a781" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNetOfTax"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_e438ba93-27c9-4644-98c6-1fe709dc4704" xlink:to="loc_us-gaap_ComprehensiveIncomeNetOfTax_4f4e76ca-3077-4bd0-90e3-e5b89cc8a781" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/CondensedConsolidatedBalanceSheet" xlink:type="simple" xlink:href="utx-20200930.xsd#CondensedConsolidatedBalanceSheet"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/CondensedConsolidatedBalanceSheet" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfFinancialPositionAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9970ee6f-ac79-49ed-b8fe-f9c03c80868f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_9970ee6f-ac79-49ed-b8fe-f9c03c80868f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesNetCurrent_24757c2f-9f90-4245-a3dd-754fe5c316f3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesNetCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_ReceivablesNetCurrent_24757c2f-9f90-4245-a3dd-754fe5c316f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_40eb4f9f-2d66-46f6-9b42-1088a462fa8b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_40eb4f9f-2d66-46f6-9b42-1088a462fa8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_71a0fef7-4cc8-4cc6-8b54-7b17fc713b34" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryNet"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_InventoryNet_71a0fef7-4cc8-4cc6-8b54-7b17fc713b34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_5c31bdaf-6235-4122-80e3-382e077064ba" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperationCurrent_5c31bdaf-6235-4122-80e3-382e077064ba" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsCurrent_447d9691-3ef8-4e46-bcea-517e2bbbe126" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_OtherAssetsCurrent_447d9691-3ef8-4e46-bcea-517e2bbbe126" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_6587e87f-5942-4409-92c2-f0710ff36057" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_AssetsCurrent_6587e87f-5942-4409-92c2-f0710ff36057" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NotesAndLoansReceivableNetNoncurrent_ff17b5f1-a41b-4439-a617-42a473c11cdb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NotesAndLoansReceivableNetNoncurrent"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_NotesAndLoansReceivableNetNoncurrent_ff17b5f1-a41b-4439-a617-42a473c11cdb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxAssetsNet_0d554517-ff0f-44a6-9f87-9764b14b0d3a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxAssetsNet"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_DeferredIncomeTaxAssetsNet_0d554517-ff0f-44a6-9f87-9764b14b0d3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentGross_0f079949-595f-4496-b4d3-47e77afda257" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentGross"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentGross_0f079949-595f-4496-b4d3-47e77afda257" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_233ca17e-3ce7-4128-aaec-e241f08fb8a9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_233ca17e-3ce7-4128-aaec-e241f08fb8a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PropertyPlantAndEquipmentNet_d303fd65-6c84-4772-aefd-7147a0662ea5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PropertyPlantAndEquipmentNet"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_PropertyPlantAndEquipmentNet_d303fd65-6c84-4772-aefd-7147a0662ea5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseRightOfUseAsset_8936769d-0748-4b04-b79a-c274fb6203da" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseRightOfUseAsset"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_OperatingLeaseRightOfUseAsset_8936769d-0748-4b04-b79a-c274fb6203da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_cb610dbc-44f9-4445-a5de-8e9f8d46f065" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_Goodwill_cb610dbc-44f9-4445-a5de-8e9f8d46f065" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_7aa24a53-56a2-46b3-ad8c-5931c4d94ba5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_IntangibleAssetsNetExcludingGoodwill_7aa24a53-56a2-46b3-ad8c-5931c4d94ba5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherAssetsNoncurrent_133e3071-0621-44dc-8737-9e3c434826d9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherAssetsNoncurrent"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_OtherAssetsNoncurrent_133e3071-0621-44dc-8737-9e3c434826d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_e4af85dd-7ad3-4c8b-8c9f-9b99dd6db195" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_Assets_e4af85dd-7ad3-4c8b-8c9f-9b99dd6db195" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_f3ef7b49-aed5-4f5e-8422-8967aa5c22c7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortTermBorrowings"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_ShortTermBorrowings_f3ef7b49-aed5-4f5e-8422-8967aa5c22c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsPayableCurrent_40f7cddd-cf68-49b2-813c-75c57ab2301d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsPayableCurrent"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_AccountsPayableCurrent_40f7cddd-cf68-49b2-813c-75c57ab2301d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrent_e81eadfd-71d5-476c-baf2-611ef042e463" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedLiabilitiesCurrent"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrent_e81eadfd-71d5-476c-baf2-611ef042e463" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_a19785cb-2fb6-4337-9b1c-2efc7b684c0a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_a19785cb-2fb6-4337-9b1c-2efc7b684c0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_75f541da-ceb4-4b50-8aff-7123b07c2dc6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperationCurrent_75f541da-ceb4-4b50-8aff-7123b07c2dc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_2285ef56-0226-45fc-9fa4-6a4b14512078" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_2285ef56-0226-45fc-9fa4-6a4b14512078" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_6bdeb8ed-c704-4670-b63a-63e4331210e8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_LiabilitiesCurrent_6bdeb8ed-c704-4670-b63a-63e4331210e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_37557f1a-a4e8-427d-a122-8846b8beefc5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_37557f1a-a4e8-427d-a122-8846b8beefc5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_8a629d36-eba9-4431-b1c8-3f6e4a79e872" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingLeaseLiabilityNoncurrent"/>
    <link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_OperatingLeaseLiabilityNoncurrent_8a629d36-eba9-4431-b1c8-3f6e4a79e872" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_973cf612-c869-42cd-a5a2-ff168a9b5c2e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent"/>
    <link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_PensionAndOtherPostretirementDefinedBenefitPlansLiabilitiesNoncurrent_973cf612-c869-42cd-a5a2-ff168a9b5c2e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLiabilitiesNoncurrent_e312a965-ce7c-4e4b-b096-e0dd5f7a8960" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent"/>
    <link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_OtherLiabilitiesNoncurrent_e312a965-ce7c-4e4b-b096-e0dd5f7a8960" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_b1025eb5-e8a1-4901-ad3c-f45510cf06b6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Liabilities"/>
    <link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_Liabilities_b1025eb5-e8a1-4901-ad3c-f45510cf06b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingencies_b5542437-3337-4385-8fd8-65dcdc57b494" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingencies"/>
    <link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_CommitmentsAndContingencies_b5542437-3337-4385-8fd8-65dcdc57b494" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_1c2c4245-165d-41b0-98d4-624424ffd5fb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests"/>
    <link:presentationArc order="31" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_TemporaryEquityCarryingAmountIncludingPortionAttributableToNoncontrollingInterests_1c2c4245-165d-41b0-98d4-624424ffd5fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_e12c45e7-b8f7-4a4f-8255-0146a0bc7691" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStocksIncludingAdditionalPaidInCapital"/>
    <link:presentationArc order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_CommonStocksIncludingAdditionalPaidInCapital_e12c45e7-b8f7-4a4f-8255-0146a0bc7691" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValue_30e5ca18-e782-4e9a-8df0-874423d3cf56" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValue"/>
    <link:presentationArc order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_TreasuryStockValue_30e5ca18-e782-4e9a-8df0-874423d3cf56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f70316c1-e42f-4229-abdf-4c6a97206b69" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsAccumulatedDeficit"/>
    <link:presentationArc order="34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_RetainedEarningsAccumulatedDeficit_f70316c1-e42f-4229-abdf-4c6a97206b69" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnearnedESOPShares_dc4f691d-6f5b-438a-8957-34eb1ef21a1e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnearnedESOPShares"/>
    <link:presentationArc order="35" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_UnearnedESOPShares_dc4f691d-6f5b-438a-8957-34eb1ef21a1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_352672ea-bd83-45fe-8e6e-d35e86c16689" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:presentationArc order="36" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_352672ea-bd83-45fe-8e6e-d35e86c16689" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_aab935e1-48f2-44ff-9ba6-c4bf43138b64" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="37" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_StockholdersEquity_aab935e1-48f2-44ff-9ba6-c4bf43138b64" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_d019a62c-6ad4-4b67-a58a-3b167dff0b4b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterest"/>
    <link:presentationArc order="38" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_MinorityInterest_d019a62c-6ad4-4b67-a58a-3b167dff0b4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_cabe7027-725b-41df-9d5d-9da04d9dc2b3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="39" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_cabe7027-725b-41df-9d5d-9da04d9dc2b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesAndStockholdersEquity_50e25f74-b8e8-4c2f-bd1b-39c51d7f86d2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity"/>
    <link:presentationArc order="40" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfFinancialPositionAbstract_0be7e389-8359-4d87-b74e-be12aa3dd9e4" xlink:to="loc_us-gaap_LiabilitiesAndStockholdersEquity_50e25f74-b8e8-4c2f-bd1b-39c51d7f86d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/CondensedConsolidatedStatementofCashFlows" xlink:type="simple" xlink:href="utx-20200930.xsd#CondensedConsolidatedStatementofCashFlows"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/CondensedConsolidatedStatementofCashFlows" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOfCashFlowsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_4dd8a176-af24-437c-9e83-73caf9f97c1e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest_4dd8a176-af24-437c-9e83-73caf9f97c1e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_6a6d0637-37df-444a-9c03-7ed2f8b0e8d3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_6a6d0637-37df-444a-9c03-7ed2f8b0e8d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_342c7fdc-d2ef-4111-8bb4-f611a3e47c13" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_6a6d0637-37df-444a-9c03-7ed2f8b0e8d3" xlink:to="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_342c7fdc-d2ef-4111-8bb4-f611a3e47c13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DepreciationAmortizationAndAccretionNet_b1ca35b1-e6de-4d7f-ab9c-ac42ca66ec8d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DepreciationAmortizationAndAccretionNet"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_342c7fdc-d2ef-4111-8bb4-f611a3e47c13" xlink:to="loc_us-gaap_DepreciationAmortizationAndAccretionNet_b1ca35b1-e6de-4d7f-ab9c-ac42ca66ec8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_2fdfe601-f873-4e20-9404-851058fc23e7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredIncomeTaxExpenseBenefit"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_342c7fdc-d2ef-4111-8bb4-f611a3e47c13" xlink:to="loc_us-gaap_DeferredIncomeTaxExpenseBenefit_2fdfe601-f873-4e20-9404-851058fc23e7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShareBasedCompensation_28c2257f-dbd7-48ac-8d02-08f1324acf5f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShareBasedCompensation"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_342c7fdc-d2ef-4111-8bb4-f611a3e47c13" xlink:to="loc_us-gaap_ShareBasedCompensation_28c2257f-dbd7-48ac-8d02-08f1324acf5f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_1c62dd08-fa86-43c8-a0ea-1aa7759ecbe6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_342c7fdc-d2ef-4111-8bb4-f611a3e47c13" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_1c62dd08-fa86-43c8-a0ea-1aa7759ecbe6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_778382e1-ee55-406e-b901-2bd7f85129fc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_342c7fdc-d2ef-4111-8bb4-f611a3e47c13" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_778382e1-ee55-406e-b901-2bd7f85129fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_73218ef4-8849-4d76-9c0d-cf338555d5f6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_342c7fdc-d2ef-4111-8bb4-f611a3e47c13" xlink:to="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_73218ef4-8849-4d76-9c0d-cf338555d5f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInReceivables_a705ed48-aba1-4f59-a7b4-11c344519280" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInReceivables"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_73218ef4-8849-4d76-9c0d-cf338555d5f6" xlink:to="loc_us-gaap_IncreaseDecreaseInReceivables_a705ed48-aba1-4f59-a7b4-11c344519280" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_af235b51-07e6-479a-a74d-4908c8917920" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerAsset"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_73218ef4-8849-4d76-9c0d-cf338555d5f6" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerAsset_af235b51-07e6-479a-a74d-4908c8917920" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInInventories_7b0eeb99-096c-421f-be47-686801a019ab" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInInventories"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_73218ef4-8849-4d76-9c0d-cf338555d5f6" xlink:to="loc_us-gaap_IncreaseDecreaseInInventories_7b0eeb99-096c-421f-be47-686801a019ab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_e89e1fa6-54b9-4715-bd89-5274b77d1a81" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInOtherOperatingAssets"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_73218ef4-8849-4d76-9c0d-cf338555d5f6" xlink:to="loc_us-gaap_IncreaseDecreaseInOtherOperatingAssets_e89e1fa6-54b9-4715-bd89-5274b77d1a81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_3bdfc293-4893-4416-80f2-08fce203e4c3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_73218ef4-8849-4d76-9c0d-cf338555d5f6" xlink:to="loc_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_3bdfc293-4893-4416-80f2-08fce203e4c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_b20df8bc-a8b3-4a57-99da-d41ca556e21e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncreaseDecreaseInOperatingCapitalAbstract_73218ef4-8849-4d76-9c0d-cf338555d5f6" xlink:to="loc_us-gaap_IncreaseDecreaseInContractWithCustomerLiability_b20df8bc-a8b3-4a57-99da-d41ca556e21e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionContributions_c90bf8ea-2de5-4a3d-8a18-5d3ceb96c355" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PensionContributions"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_6a6d0637-37df-444a-9c03-7ed2f8b0e8d3" xlink:to="loc_us-gaap_PensionContributions_c90bf8ea-2de5-4a3d-8a18-5d3ceb96c355" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncreaseDecreaseInRoyaltiesPayable_802b9c89-f5ae-4c83-861a-503ce6e3bc7b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncreaseDecreaseInRoyaltiesPayable"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_6a6d0637-37df-444a-9c03-7ed2f8b0e8d3" xlink:to="loc_us-gaap_IncreaseDecreaseInRoyaltiesPayable_802b9c89-f5ae-4c83-861a-503ce6e3bc7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherNoncashIncomeExpense_76748966-a2aa-4150-bfd9-a0dfc4a06874" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherNoncashIncomeExpense"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_6a6d0637-37df-444a-9c03-7ed2f8b0e8d3" xlink:to="loc_us-gaap_OtherNoncashIncomeExpense_76748966-a2aa-4150-bfd9-a0dfc4a06874" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_700e0d79-da15-4a4b-8978-08c013bfc566" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperationsAbstract_6a6d0637-37df-444a-9c03-7ed2f8b0e8d3" xlink:to="loc_us-gaap_NetCashProvidedByUsedInOperatingActivitiesContinuingOperations_700e0d79-da15-4a4b-8978-08c013bfc566" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_3935a3df-38d5-4668-9a19-51e2310ac461" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_3935a3df-38d5-4668-9a19-51e2310ac461" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireProductiveAssets_c5924093-032e-4266-a677-dae5c0115276" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireProductiveAssets"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_3935a3df-38d5-4668-9a19-51e2310ac461" xlink:to="loc_us-gaap_PaymentsToAcquireProductiveAssets_c5924093-032e-4266-a677-dae5c0115276" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates_4a6e3f5d-adf9-432f-899f-62ed47026ad1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_3935a3df-38d5-4668-9a19-51e2310ac461" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates_4a6e3f5d-adf9-432f-899f-62ed47026ad1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAcquiredFromAcquisition_827b8edd-607d-4d41-a610-624e92a7ddf1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAcquiredFromAcquisition"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_3935a3df-38d5-4668-9a19-51e2310ac461" xlink:to="loc_us-gaap_CashAcquiredFromAcquisition_827b8edd-607d-4d41-a610-624e92a7ddf1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireFinanceReceivables_c248ffe6-a4cc-4a55-968f-f3c94c7b9d1f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireFinanceReceivables"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_3935a3df-38d5-4668-9a19-51e2310ac461" xlink:to="loc_us-gaap_PaymentsToAcquireFinanceReceivables_c248ffe6-a4cc-4a55-968f-f3c94c7b9d1f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsToAcquireIntangibleAssets_af45b7cb-de6a-4479-ad22-195f12bfabe5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsToAcquireIntangibleAssets"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_3935a3df-38d5-4668-9a19-51e2310ac461" xlink:to="loc_us-gaap_PaymentsToAcquireIntangibleAssets_af45b7cb-de6a-4479-ad22-195f12bfabe5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_d7fc8b24-8ff8-4663-8dd7-9a8ddfca917b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_3935a3df-38d5-4668-9a19-51e2310ac461" xlink:to="loc_us-gaap_PaymentsForProceedsFromDerivativeInstrumentInvestingActivities_d7fc8b24-8ff8-4663-8dd7-9a8ddfca917b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_16378f83-1dee-4a9e-9c62-e7feb05ebe8a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForProceedsFromOtherInvestingActivities"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_3935a3df-38d5-4668-9a19-51e2310ac461" xlink:to="loc_us-gaap_PaymentsForProceedsFromOtherInvestingActivities_16378f83-1dee-4a9e-9c62-e7feb05ebe8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_24e69952-a792-47fa-bdc6-ae780c718972" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperationsAbstract_3935a3df-38d5-4668-9a19-51e2310ac461" xlink:to="loc_us-gaap_NetCashProvidedByUsedInInvestingActivitiesContinuingOperations_24e69952-a792-47fa-bdc6-ae780c718972" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_e2f25476-5f9b-4601-9550-b1d0360ed100" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfLongTermDebt"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfLongTermDebt_e2f25476-5f9b-4601-9550-b1d0360ed100" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DividendFromDiscontinuedOperations_359753cc-bf6f-4406-a9f8-da17bb216d78" xlink:href="utx-20200930.xsd#utx_DividendFromDiscontinuedOperations"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:to="loc_utx_DividendFromDiscontinuedOperations_359753cc-bf6f-4406-a9f8-da17bb216d78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfLongTermDebt_1037515d-eb45-474a-936b-a34be9ccbc99" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfLongTermDebt"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:to="loc_us-gaap_RepaymentsOfLongTermDebt_1037515d-eb45-474a-936b-a34be9ccbc99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_07093cb0-e6fe-4c27-9646-273dda5563f1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfShortTermDebt"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:to="loc_us-gaap_ProceedsFromRepaymentsOfShortTermDebt_07093cb0-e6fe-4c27-9646-273dda5563f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromStockPlans_0522420d-8c8a-47d6-9e80-1c062aa3bcd2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromStockPlans"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:to="loc_us-gaap_ProceedsFromStockPlans_0522420d-8c8a-47d6-9e80-1c062aa3bcd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsOfDividendsCommonStock_756025b4-b4c3-4ed5-8732-4630a0ad228e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsOfDividendsCommonStock"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:to="loc_us-gaap_PaymentsOfDividendsCommonStock_756025b4-b4c3-4ed5-8732-4630a0ad228e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_55405ca7-d6f0-4c7f-9544-a02fc330f07b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:to="loc_us-gaap_PaymentsForRepurchaseOfCommonStock_55405ca7-d6f0-4c7f-9544-a02fc330f07b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_InterEntityLending_3c514418-0191-45e4-8fb4-7402402aa4ee" xlink:href="utx-20200930.xsd#utx_InterEntityLending"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:to="loc_utx_InterEntityLending_3c514418-0191-45e4-8fb4-7402402aa4ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_3c807df0-dd1c-4ae7-9a6b-bef72b99d407" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromPaymentsForOtherFinancingActivities"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:to="loc_us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_3c807df0-dd1c-4ae7-9a6b-bef72b99d407" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_5797b362-40cc-4348-ab60-7797aa604306" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperationsAbstract_b4348537-8ea1-4709-83bb-85b431ba855a" xlink:to="loc_us-gaap_NetCashProvidedByUsedInFinancingActivitiesContinuingOperations_5797b362-40cc-4348-ab60-7797aa604306" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_7017b340-4c97-4c61-b273-968e14595b87" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_7017b340-4c97-4c61-b273-968e14595b87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_87707fef-0d9b-40e0-92c5-71eb4fecb9bf" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_7017b340-4c97-4c61-b273-968e14595b87" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_87707fef-0d9b-40e0-92c5-71eb4fecb9bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_224e9e92-e6d6-464e-a5d7-ed133043015b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_7017b340-4c97-4c61-b273-968e14595b87" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_224e9e92-e6d6-464e-a5d7-ed133043015b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_a5d75cdc-57e1-497a-8280-b10ae78a8265" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_7017b340-4c97-4c61-b273-968e14595b87" xlink:to="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_a5d75cdc-57e1-497a-8280-b10ae78a8265" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_6f75dbcf-f0d4-43f0-8e48-9ce8f4820d45" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperations"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_7017b340-4c97-4c61-b273-968e14595b87" xlink:to="loc_us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_6f75dbcf-f0d4-43f0-8e48-9ce8f4820d45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations_65fc67b5-0b91-46fc-a92c-69e6e9fe4bc6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsContinuingOperations_65fc67b5-0b91-46fc-a92c-69e6e9fe4bc6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations_752082da-7b79-490e-82df-0b98c7e877a4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_EffectOfExchangeRateOnCashAndCashEquivalentsDiscontinuedOperations_752082da-7b79-490e-82df-0b98c7e877a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_929cd4d7-a4bc-411d-9517-c7843ab57b84" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_929cd4d7-a4bc-411d-9517-c7843ab57b84" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_223dccfb-f858-4410-a5bf-38b11284a1f3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValueIncludingDiscontinuedOperations_223dccfb-f858-4410-a5bf-38b11284a1f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_9ead5e1b-3d7d-4a8b-9804-a24a58795381" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_9ead5e1b-3d7d-4a8b-9804-a24a58795381" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_2d469fbb-3b0f-48eb-adfe-43f25c677dda" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsIncludingDisposalGroupAndDiscontinuedOperations_2d469fbb-3b0f-48eb-adfe-43f25c677dda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_252a99a2-3ac4-474c-864c-c96885ea017f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedCash"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_RestrictedCash_252a99a2-3ac4-474c-864c-c96885ea017f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_f96598e0-efaf-4bcd-82db-f0cf0734895f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsDisposalGroupIncludingDiscontinuedOperations_f96598e0-efaf-4bcd-82db-f0cf0734895f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_894796e1-db37-4207-bc8b-07b6afd0fd6f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsAtCarryingValue"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOfCashFlowsAbstract_1d5b2352-9c42-4dd0-ab23-336c5b901106" xlink:to="loc_us-gaap_CashAndCashEquivalentsAtCarryingValue_894796e1-db37-4207-bc8b-07b6afd0fd6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/CondensedConsolidatedStatementofChangesinEquityStatement" xlink:type="simple" xlink:href="utx-20200930.xsd#CondensedConsolidatedStatementofChangesinEquityStatement"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/CondensedConsolidatedStatementofChangesinEquityStatement" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_utx_CondensedConsolidatedStatementofEquityAbstract_7edcf1c3-da75-46d0-871d-91b180df23cd" xlink:href="utx-20200930.xsd#utx_CondensedConsolidatedStatementofEquityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementTable_c90d1669-fdbe-4a9c-b314-500e7ccb23f1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_CondensedConsolidatedStatementofEquityAbstract_7edcf1c3-da75-46d0-871d-91b180df23cd" xlink:to="loc_us-gaap_StatementTable_c90d1669-fdbe-4a9c-b314-500e7ccb23f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_97671a2a-12ee-4728-a55a-6a6d8cf27f24" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_c90d1669-fdbe-4a9c-b314-500e7ccb23f1" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_97671a2a-12ee-4728-a55a-6a6d8cf27f24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_7ad3d461-5e52-4cbc-be01-c34c900fd77d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_97671a2a-12ee-4728-a55a-6a6d8cf27f24" xlink:to="loc_us-gaap_EquityComponentDomain_7ad3d461-5e52-4cbc-be01-c34c900fd77d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockMember_b91b5f48-9610-433c-bfb2-f69a54f42cdf" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_7ad3d461-5e52-4cbc-be01-c34c900fd77d" xlink:to="loc_us-gaap_CommonStockMember_b91b5f48-9610-433c-bfb2-f69a54f42cdf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockMember_0d124818-248d-45f8-9182-ffcafd8b5f31" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_7ad3d461-5e52-4cbc-be01-c34c900fd77d" xlink:to="loc_us-gaap_TreasuryStockMember_0d124818-248d-45f8-9182-ffcafd8b5f31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetainedEarningsMember_85d506cc-c5b6-43b6-9bab-b7f263f4f161" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetainedEarningsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_7ad3d461-5e52-4cbc-be01-c34c900fd77d" xlink:to="loc_us-gaap_RetainedEarningsMember_85d506cc-c5b6-43b6-9bab-b7f263f4f161" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember_8f1fa71d-2708-45ed-809b-e4036eba6e3c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DeferredCompensationShareBasedPaymentsMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_7ad3d461-5e52-4cbc-be01-c34c900fd77d" xlink:to="loc_us-gaap_DeferredCompensationShareBasedPaymentsMember_8f1fa71d-2708-45ed-809b-e4036eba6e3c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_c0b6e3f3-3b6d-446d-a642-819f9d8e7690" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_7ad3d461-5e52-4cbc-be01-c34c900fd77d" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeMember_c0b6e3f3-3b6d-446d-a642-819f9d8e7690" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NoncontrollingInterestMember_f8703144-4d71-482b-84a4-c82791946eaa" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NoncontrollingInterestMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_7ad3d461-5e52-4cbc-be01-c34c900fd77d" xlink:to="loc_us-gaap_NoncontrollingInterestMember_f8703144-4d71-482b-84a4-c82791946eaa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_5a852b2d-2ba8-47d2-a1c8-2847604b1144" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_c90d1669-fdbe-4a9c-b314-500e7ccb23f1" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_5a852b2d-2ba8-47d2-a1c8-2847604b1144" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_50484b01-c846-4e72-9126-6d6053782640" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_5a852b2d-2ba8-47d2-a1c8-2847604b1144" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_50484b01-c846-4e72-9126-6d6053782640" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonCompanyMember_1a8dea40-0d49-4e3e-8eaf-e9706d81cdf5" xlink:href="utx-20200930.xsd#utx_RaytheonCompanyMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_50484b01-c846-4e72-9126-6d6053782640" xlink:to="loc_utx_RaytheonCompanyMember_1a8dea40-0d49-4e3e-8eaf-e9706d81cdf5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementTable_c90d1669-fdbe-4a9c-b314-500e7ccb23f1" xlink:to="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_75732474-68b3-4843-9485-b67438b64f86" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_75732474-68b3-4843-9485-b67438b64f86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquity_1cee203e-4643-4074-93fe-600053a8bf46" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_StockholdersEquity_1cee203e-4643-4074-93fe-600053a8bf46" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_5616779a-88d7-43ee-975e-c1634d176d6c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueShareBasedCompensation_5616779a-88d7-43ee-975e-c1634d176d6c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_127e75ac-96f6-4193-be79-0b015e0bfdac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodValueAcquisitions"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_StockIssuedDuringPeriodValueAcquisitions_127e75ac-96f6-4193-be79-0b015e0bfdac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityNoteSpinoffTransaction_e8dfbb03-ac0c-4158-9362-114cf1470383" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityNoteSpinoffTransaction"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_StockholdersEquityNoteSpinoffTransaction_e8dfbb03-ac0c-4158-9362-114cf1470383" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_923e2de3-245b-471b-9c8a-ac639bcfaaec" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterestDecreaseFromRedemptions"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromRedemptions_923e2de3-245b-471b-9c8a-ac639bcfaaec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestChangeInRedemptionValue_65e31376-bea3-4a83-be15-212c392cf065" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterestChangeInRedemptionValue"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_MinorityInterestChangeInRedemptionValue_65e31376-bea3-4a83-be15-212c392cf065" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_9c12bca9-d519-491b-bafa-fe5400e07f73" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TreasuryStockValueAcquiredCostMethod"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_TreasuryStockValueAcquiredCostMethod_9c12bca9-d519-491b-bafa-fe5400e07f73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_54a68e50-0035-41b0-bcf4-8ba028f21296" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_NetIncomeLoss_54a68e50-0035-41b0-bcf4-8ba028f21296" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DividendsCommonStock_2a51c327-a025-42c8-baed-3134f0852696" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DividendsCommonStock"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_DividendsCommonStock_2a51c327-a025-42c8-baed-3134f0852696" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeStockOwnershipPlanESOPDividendsPaidToESOP_727b1e27-043e-4b63-8ebd-00b2e3ac6822" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeStockOwnershipPlanESOPDividendsPaidToESOP"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_EmployeeStockOwnershipPlanESOPDividendsPaidToESOP_727b1e27-043e-4b63-8ebd-00b2e3ac6822" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ReclassificationtoRetainedEarningscurrentperiodASU201802adoptionimpact_bbcfca6b-6b5a-4eb7-a9e8-abd234c1b2c3" xlink:href="utx-20200930.xsd#utx_ReclassificationtoRetainedEarningscurrentperiodASU201802adoptionimpact"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_utx_ReclassificationtoRetainedEarningscurrentperiodASU201802adoptionimpact_bbcfca6b-6b5a-4eb7-a9e8-abd234c1b2c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockholdersEquityOther_74ff4551-9ce6-4a17-bb0d-97d8ff17ae09" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockholdersEquityOther"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_StockholdersEquityOther_74ff4551-9ce6-4a17-bb0d-97d8ff17ae09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_b6330cfc-4627-40fe-8b51-5b87197796e2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_b6330cfc-4627-40fe-8b51-5b87197796e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ReclassificationfromOCIcurrentperiodASU201802adoptionimpact_e8bc6901-5beb-41a4-892f-40ccd2e0fc00" xlink:href="utx-20200930.xsd#utx_ReclassificationfromOCIcurrentperiodASU201802adoptionimpact"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_utx_ReclassificationfromOCIcurrentperiodASU201802adoptionimpact_e8bc6901-5beb-41a4-892f-40ccd2e0fc00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterest_7ede536a-0878-4283-8178-ce5020079552" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterest"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_MinorityInterest_7ede536a-0878-4283-8178-ce5020079552" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_55e0ad90-0a5c-43dc-b68a-35dd8fb4d37f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_NetIncomeLossAttributableToNoncontrollingInterest_55e0ad90-0a5c-43dc-b68a-35dd8fb4d37f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest_1b5c3bf4-6109-47f3-9d21-977e05d594ce" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_NetIncomeLossAttributableToRedeemableNoncontrollingInterest_1b5c3bf4-6109-47f3-9d21-977e05d594ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_05d072b3-7c02-4796-b57b-bdcc7ad72bc5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToNoncontrollingInterest_05d072b3-7c02-4796-b57b-bdcc7ad72bc5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_1da96313-ee0a-4b5a-a8cb-e5d286b3b9da" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders_1da96313-ee0a-4b5a-a8cb-e5d286b3b9da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Noncontrollinginterestdecreasefromdispositionofnoncontrollinginterest_af484ebd-a6b4-4193-a88c-a81b22a16115" xlink:href="utx-20200930.xsd#utx_Noncontrollinginterestdecreasefromdispositionofnoncontrollinginterest"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_utx_Noncontrollinginterestdecreasefromdispositionofnoncontrollinginterest_af484ebd-a6b4-4193-a88c-a81b22a16115" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_NoncontrollingInterestIncreasefromCapitalContributions_8ad04194-5bae-42e5-81ce-bf375ddef36c" xlink:href="utx-20200930.xsd#utx_NoncontrollingInterestIncreasefromCapitalContributions"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_utx_NoncontrollingInterestIncreasefromCapitalContributions_8ad04194-5bae-42e5-81ce-bf375ddef36c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_6272c889-a34f-4649-878e-5c61f81fce0a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesShareBasedCompensation_6272c889-a34f-4649-878e-5c61f81fce0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockRepurchasedDuringPeriodShares_c973edc1-43cb-431e-982b-5717e2e2a981" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockRepurchasedDuringPeriodShares"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_StockRepurchasedDuringPeriodShares_c973edc1-43cb-431e-982b-5717e2e2a981" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_20ae5f69-64ff-4ac0-ab7a-77be248b104c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StockIssuedDuringPeriodSharesAcquisitions"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_StockIssuedDuringPeriodSharesAcquisitions_20ae5f69-64ff-4ac0-ab7a-77be248b104c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockDividendsPerShareDeclared_81680708-53e4-4ca8-adb0-5250d5ae5c7d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockDividendsPerShareDeclared"/>
    <link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementLineItems_cbb48067-c544-484b-b3ed-59130b7ccbcb" xlink:to="loc_us-gaap_CommonStockDividendsPerShareDeclared_81680708-53e4-4ca8-adb0-5250d5ae5c7d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccountingPolicies" xlink:type="simple" xlink:href="utx-20200930.xsd#AccountingPolicies"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccountingPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_ada5c98c-775d-42de-9fbc-c4e9e345a779" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_09c81f9d-d3a4-4110-8f08-bf82998fc83a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_ada5c98c-775d-42de-9fbc-c4e9e345a779" xlink:to="loc_us-gaap_BasisOfPresentationAndSignificantAccountingPoliciesTextBlock_09c81f9d-d3a4-4110-8f08-bf82998fc83a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccountingPoliciesPolicies" xlink:type="simple" xlink:href="utx-20200930.xsd#AccountingPoliciesPolicies"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccountingPoliciesPolicies" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ConsolidationPolicyTextBlock_e99f7c8a-c9b0-4337-9dac-92db7393b64e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_ConsolidationPolicyTextBlock_e99f7c8a-c9b0-4337-9dac-92db7393b64e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UseOfEstimates_9fd5f870-7a6d-4ec3-b23c-8d6b2cce31a9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UseOfEstimates"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_UseOfEstimates_9fd5f870-7a6d-4ec3-b23c-8d6b2cce31a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_bd1f0db4-5846-4e3e-a8d0-60cfb0894609" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashAndCashEquivalentsPolicyTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_CashAndCashEquivalentsPolicyTextBlock_bd1f0db4-5846-4e3e-a8d0-60cfb0894609" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesPolicyTextBlock_2d773e9d-7691-49d0-9107-19f874faf0c3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesPolicyTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_ReceivablesPolicyTextBlock_2d773e9d-7691-49d0-9107-19f874faf0c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ContractWithCustomerContractAssetsAndLiabilitiesPolicyTextBlock_0d2984a1-417c-4a35-bdc4-e1029239a2a8" xlink:href="utx-20200930.xsd#utx_ContractWithCustomerContractAssetsAndLiabilitiesPolicyTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_utx_ContractWithCustomerContractAssetsAndLiabilitiesPolicyTextBlock_0d2984a1-417c-4a35-bdc4-e1029239a2a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryPolicyTextBlock_dc9a58f7-87ad-456d-8ce9-3eaf1c76c6f4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryPolicyTextBlock"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_InventoryPolicyTextBlock_dc9a58f7-87ad-456d-8ce9-3eaf1c76c6f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityMethodInvestmentsPolicy_1d22cff2-47f2-4957-9b57-4e314c90c1fb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityMethodInvestmentsPolicy"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_EquityMethodInvestmentsPolicy_1d22cff2-47f2-4957-9b57-4e314c90c1fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FinanceLoansAndLeasesReceivablePolicy_6640f884-2b2a-400a-8e38-b924a58cf163" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FinanceLoansAndLeasesReceivablePolicy"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_FinanceLoansAndLeasesReceivablePolicy_6640f884-2b2a-400a-8e38-b924a58cf163" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsPolicy_db30a856-0084-4bf2-a1b2-5d2d74fd6d6a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationsPolicy"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_BusinessCombinationsPolicy_db30a856-0084-4bf2-a1b2-5d2d74fd6d6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_6ab41cbe-87a0-4666-af7f-fb8f100a7829" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_GoodwillAndIntangibleAssetsPolicyTextBlock_6ab41cbe-87a0-4666-af7f-fb8f100a7829" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LesseeLeasesPolicyTextBlock_f771ee7a-c600-4961-8569-4369de15b113" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LesseeLeasesPolicyTextBlock"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_LesseeLeasesPolicyTextBlock_f771ee7a-c600-4961-8569-4369de15b113" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_045799c1-db4f-4781-9e94-49d1780ab549" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_ImpairmentOrDisposalOfLongLivedAssetsPolicyTextBlock_045799c1-db4f-4781-9e94-49d1780ab549" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxPolicyTextBlock_bae6904b-f244-4b2c-8e68-3c2e3afd9425" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxPolicyTextBlock"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_IncomeTaxPolicyTextBlock_bae6904b-f244-4b2c-8e68-3c2e3afd9425" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRecognitionPolicyTextBlock_2efc83fd-d1a4-4ae3-aa6b-d7cbc19d9351" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRecognitionPolicyTextBlock"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_RevenueRecognitionPolicyTextBlock_2efc83fd-d1a4-4ae3-aa6b-d7cbc19d9351" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RemainingPerformanceObligationsPolicyTextBlock_74bccdf2-799e-41ab-b857-08433cbedfb5" xlink:href="utx-20200930.xsd#utx_RemainingPerformanceObligationsPolicyTextBlock"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_utx_RemainingPerformanceObligationsPolicyTextBlock_74bccdf2-799e-41ab-b857-08433cbedfb5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpensePolicy_f3765a2b-4d14-4776-9d57-9ae5e2b9a964" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ResearchAndDevelopmentExpensePolicy"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpensePolicy_f3765a2b-4d14-4776-9d57-9ae5e2b9a964" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_c0ec01b5-4a1f-48f9-8a8e-74d3c49c22d5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_c0ec01b5-4a1f-48f9-8a8e-74d3c49c22d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesPolicyTextBlock_349666fb-1523-4e58-9414-e3f01eceb5f5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativesPolicyTextBlock"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_DerivativesPolicyTextBlock_349666fb-1523-4e58-9414-e3f01eceb5f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EnvironmentalCostsPolicy_05018417-fc76-4f32-96a5-8239d20eebb9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EnvironmentalCostsPolicy"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_EnvironmentalCostsPolicy_05018417-fc76-4f32-96a5-8239d20eebb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementPlansPolicy_69b6b123-ba8d-459c-8e91-6028b9595afc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PensionAndOtherPostretirementPlansPolicy"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_PensionAndOtherPostretirementPlansPolicy_69b6b123-ba8d-459c-8e91-6028b9595afc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtendedProductWarrantyPolicy_d9902540-cc1e-4f27-872e-15bfa5d89134" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ExtendedProductWarrantyPolicy"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_ExtendedProductWarrantyPolicy_d9902540-cc1e-4f27-872e-15bfa5d89134" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_e323be27-99ee-441f-9b47-f12cce02cc11" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_e1f247ad-4d31-4dfc-b358-d64e7e633e65" xlink:to="loc_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_e323be27-99ee-441f-9b47-f12cce02cc11" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccountingPoliciesTables" xlink:type="simple" xlink:href="utx-20200930.xsd#AccountingPoliciesTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccountingPoliciesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_2e348f32-3033-4004-bbce-7727410efc45" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ScheduleOfFiniteLivedIntangibleAssetsEstimatedUsefulLifeOfAssetTableTextBlock_12702afc-8248-42fc-baa7-e4a66cc7c9df" xlink:href="utx-20200930.xsd#utx_ScheduleOfFiniteLivedIntangibleAssetsEstimatedUsefulLifeOfAssetTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_2e348f32-3033-4004-bbce-7727410efc45" xlink:to="loc_utx_ScheduleOfFiniteLivedIntangibleAssetsEstimatedUsefulLifeOfAssetTableTextBlock_12702afc-8248-42fc-baa7-e4a66cc7c9df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTextBlock_055f0117-75be-4797-a81e-2df3fe802d1d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfChangeInAccountingEstimateTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_2e348f32-3033-4004-bbce-7727410efc45" xlink:to="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTextBlock_055f0117-75be-4797-a81e-2df3fe802d1d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccountingPoliciesDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#AccountingPoliciesDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccountingPoliciesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_d3783096-4080-4f91-a37d-0bc72ca3eb8f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_3d82f2a5-1291-4ad5-a31d-0e6c727cdfc0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfChangeInAccountingEstimateTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_d3783096-4080-4f91-a37d-0bc72ca3eb8f" xlink:to="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_3d82f2a5-1291-4ad5-a31d-0e6c727cdfc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_ebb8010a-5b9f-439a-aba7-010e2d55eb00" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ChangeInAccountingEstimateByTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_3d82f2a5-1291-4ad5-a31d-0e6c727cdfc0" xlink:to="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_ebb8010a-5b9f-439a-aba7-010e2d55eb00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_c66ea7e4-a753-4c5f-a779-9507ee129361" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ChangeInAccountingEstimateTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateByTypeAxis_ebb8010a-5b9f-439a-aba7-010e2d55eb00" xlink:to="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_c66ea7e4-a753-4c5f-a779-9507ee129361" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractsAccountedForUnderPercentageOfCompletionMember_04ee6dc0-0d3f-49be-87d7-f33ca446ea9d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractsAccountedForUnderPercentageOfCompletionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateTypeDomain_c66ea7e4-a753-4c5f-a779-9507ee129361" xlink:to="loc_us-gaap_ContractsAccountedForUnderPercentageOfCompletionMember_04ee6dc0-0d3f-49be-87d7-f33ca446ea9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_f2625443-6daf-441f-b373-6489fc9f34c5" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_3d82f2a5-1291-4ad5-a31d-0e6c727cdfc0" xlink:to="loc_srt_RangeAxis_f2625443-6daf-441f-b373-6489fc9f34c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_ae566abf-6e48-475f-8b53-641ae92f1a50" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_f2625443-6daf-441f-b373-6489fc9f34c5" xlink:to="loc_srt_RangeMember_ae566abf-6e48-475f-8b53-641ae92f1a50" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_8f674738-cb01-4386-8d11-3de0786a1c89" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_ae566abf-6e48-475f-8b53-641ae92f1a50" xlink:to="loc_srt_MinimumMember_8f674738-cb01-4386-8d11-3de0786a1c89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_35d6f1d9-30f1-49d8-a9ed-e567c9f9ed39" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_3d82f2a5-1291-4ad5-a31d-0e6c727cdfc0" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_35d6f1d9-30f1-49d8-a9ed-e567c9f9ed39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_e4f68b11-bb1d-41f6-8ee0-08ec24e17b2d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_35d6f1d9-30f1-49d8-a9ed-e567c9f9ed39" xlink:to="loc_us-gaap_SegmentDomain_e4f68b11-bb1d-41f6-8ee0-08ec24e17b2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollinsAerospaceSystemsMember_3a91722f-80c4-4e6f-af99-f70846103512" xlink:href="utx-20200930.xsd#utx_CollinsAerospaceSystemsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_e4f68b11-bb1d-41f6-8ee0-08ec24e17b2d" xlink:to="loc_utx_CollinsAerospaceSystemsMember_3a91722f-80c4-4e6f-af99-f70846103512" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrattAndWhitneyMember_bfa4e988-22e0-4d6a-80bc-c457fbb08274" xlink:href="utx-20200930.xsd#utx_PrattAndWhitneyMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_e4f68b11-bb1d-41f6-8ee0-08ec24e17b2d" xlink:to="loc_utx_PrattAndWhitneyMember_bfa4e988-22e0-4d6a-80bc-c457fbb08274" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtisMember_b56154fb-efea-4021-a061-a69207ddf067" xlink:href="utx-20200930.xsd#utx_OtisMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_e4f68b11-bb1d-41f6-8ee0-08ec24e17b2d" xlink:to="loc_utx_OtisMember_b56154fb-efea-4021-a061-a69207ddf067" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_UTCClimateControlsAndSecurityMember_6f14e146-8471-4763-8f6e-092bb4b1d36b" xlink:href="utx-20200930.xsd#utx_UTCClimateControlsAndSecurityMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_e4f68b11-bb1d-41f6-8ee0-08ec24e17b2d" xlink:to="loc_utx_UTCClimateControlsAndSecurityMember_6f14e146-8471-4763-8f6e-092bb4b1d36b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_e67e3004-5b07-4985-badc-81fe8e708e72" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_3d82f2a5-1291-4ad5-a31d-0e6c727cdfc0" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_e67e3004-5b07-4985-badc-81fe8e708e72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfAdoptionMember_92a78453-cf28-4a8e-aecf-08d17252643c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfAdoptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_e67e3004-5b07-4985-badc-81fe8e708e72" xlink:to="loc_us-gaap_TypeOfAdoptionMember_92a78453-cf28-4a8e-aecf-08d17252643c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingStandardsUpdate201613Member_7fb75071-c725-49ec-8034-8256d84a5593" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201613Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfAdoptionMember_92a78453-cf28-4a8e-aecf-08d17252643c" xlink:to="loc_us-gaap_AccountingStandardsUpdate201613Member_7fb75071-c725-49ec-8034-8256d84a5593" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_a745af17-75e5-4678-b550-944614cf4db4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_3d82f2a5-1291-4ad5-a31d-0e6c727cdfc0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_a745af17-75e5-4678-b550-944614cf4db4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_56646dcc-e3dc-4dc3-b938-8241c3ac1654" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_a745af17-75e5-4678-b550-944614cf4db4" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_56646dcc-e3dc-4dc3-b938-8241c3ac1654" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PatentsAndTrademarksMember_99b89323-cc6e-42f3-9434-b3a8a5524600" xlink:href="utx-20200930.xsd#utx_PatentsAndTrademarksMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_56646dcc-e3dc-4dc3-b938-8241c3ac1654" xlink:to="loc_utx_PatentsAndTrademarksMember_99b89323-cc6e-42f3-9434-b3a8a5524600" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ChangeInAccountingEstimateLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfChangeInAccountingEstimateTable_3d82f2a5-1291-4ad5-a31d-0e6c727cdfc0" xlink:to="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_SharesOfCommonStockDistributedInTheDistribution_de407ffc-737a-4a30-b504-386384352973" xlink:href="utx-20200930.xsd#utx_SharesOfCommonStockDistributedInTheDistribution"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_SharesOfCommonStockDistributedInTheDistribution_de407ffc-737a-4a30-b504-386384352973" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_ca38485d-6141-4bc4-a46b-171de5e7082d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCharges"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_RestructuringCharges_ca38485d-6141-4bc4-a46b-171de5e7082d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_ed6c2ff5-2728-4272-bb1b-569f0714260f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_ed6c2ff5-2728-4272-bb1b-569f0714260f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_EstimatedCreditLosses_fd213e05-b370-470f-b418-854981f87567" xlink:href="utx-20200930.xsd#utx_EstimatedCreditLosses"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_EstimatedCreditLosses_fd213e05-b370-470f-b418-854981f87567" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_UnfavorableEACAdjustmentOnACommercialEngineAftermarketContract_596c3475-db2e-47bd-8494-d5244981c32c" xlink:href="utx-20200930.xsd#utx_UnfavorableEACAdjustmentOnACommercialEngineAftermarketContract"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_UnfavorableEACAdjustmentOnACommercialEngineAftermarketContract_596c3475-db2e-47bd-8494-d5244981c32c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ContractAssetAndInventoryWriteOffs_4b60dc3b-6d20-40ae-8717-281acbb5e9c5" xlink:href="utx-20200930.xsd#utx_ContractAssetAndInventoryWriteOffs"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_ContractAssetAndInventoryWriteOffs_4b60dc3b-6d20-40ae-8717-281acbb5e9c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_UnfavorableEACAdjustmentRelatedToTheRestructuringOfACustomerContract_2dd3539f-d04d-4879-9f0b-253184d6a112" xlink:href="utx-20200930.xsd#utx_UnfavorableEACAdjustmentRelatedToTheRestructuringOfACustomerContract"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_UnfavorableEACAdjustmentRelatedToTheRestructuringOfACustomerContract_2dd3539f-d04d-4879-9f0b-253184d6a112" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetImpairmentCharges_df58a975-d3e2-42a1-ad04-32139364cc16" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetImpairmentCharges"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_AssetImpairmentCharges_df58a975-d3e2-42a1-ad04-32139364cc16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_UnfavorableEACAdjustmentsOnCommercialAftermarketContracts_ca0b8c48-0bb4-4dcf-81d6-47d7812e32d8" xlink:href="utx-20200930.xsd#utx_UnfavorableEACAdjustmentsOnCommercialAftermarketContracts"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_UnfavorableEACAdjustmentsOnCommercialAftermarketContracts_ca0b8c48-0bb4-4dcf-81d6-47d7812e32d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_UnfavorableEACAdjustmentRelatedToMilitaryContracts_6bc40726-b549-49cd-8700-cc0838b445fb" xlink:href="utx-20200930.xsd#utx_UnfavorableEACAdjustmentRelatedToMilitaryContracts"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_UnfavorableEACAdjustmentRelatedToMilitaryContracts_6bc40726-b549-49cd-8700-cc0838b445fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingCycle_ce7da0bc-8b0c-4e91-9f7a-5dd8eabf89b8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingCycle"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_OperatingCycle_ce7da0bc-8b0c-4e91-9f7a-5dd8eabf89b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_4933a63d-8b8d-4ba7-a9cf-cd6c5c462539" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_OperatingIncomeLoss_4933a63d-8b8d-4ba7-a9cf-cd6c5c462539" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_522bef64-4a5b-4626-9d5a-a831989f5919" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_522bef64-4a5b-4626-9d5a-a831989f5919" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_2b68bda8-1531-4504-8c50-b6437d6d7387" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_2b68bda8-1531-4504-8c50-b6437d6d7387" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod_39c72264-1ac0-40de-91ae-f6067ec1648f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod_39c72264-1ac0-40de-91ae-f6067ec1648f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CapitalizedContractCostGross_ec9a05f8-3a4e-4b04-bc11-cb05f5f78e3f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CapitalizedContractCostGross"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_CapitalizedContractCostGross_ec9a05f8-3a4e-4b04-bc11-cb05f5f78e3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollaboratorsInterestsExistingProgramsLowEnd_96cbc981-f179-488c-8d85-c729e63f6be6" xlink:href="utx-20200930.xsd#utx_CollaboratorsInterestsExistingProgramsLowEnd"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_CollaboratorsInterestsExistingProgramsLowEnd_96cbc981-f179-488c-8d85-c729e63f6be6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollaboratorsInterestsExistingProgramsHighEnd_95086a40-7273-4de0-969c-fed5d421544d" xlink:href="utx-20200930.xsd#utx_CollaboratorsInterestsExistingProgramsHighEnd"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_CollaboratorsInterestsExistingProgramsHighEnd_95086a40-7273-4de0-969c-fed5d421544d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PartnerShareIndividualProgramMaximum_df502e71-faae-4483-9735-221f01185996" xlink:href="utx-20200930.xsd#utx_PartnerShareIndividualProgramMaximum"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_PartnerShareIndividualProgramMaximum_df502e71-faae-4483-9735-221f01185996" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueRemainingPerformanceObligation_cc7671e4-cbbd-4cb0-823e-9e6089c3e1ec" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueRemainingPerformanceObligation"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_RevenueRemainingPerformanceObligation_cc7671e4-cbbd-4cb0-823e-9e6089c3e1ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RevenueRemainingPerformanceObligationsToBeRecognizedWithin12Months_91286c93-22ef-4fb6-8a79-41dc70b26558" xlink:href="utx-20200930.xsd#utx_RevenueRemainingPerformanceObligationsToBeRecognizedWithin12Months"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_utx_RevenueRemainingPerformanceObligationsToBeRecognizedWithin12Months_91286c93-22ef-4fb6-8a79-41dc70b26558" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_de8d789c-de52-4938-be58-22496c9f5af9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ChangeInAccountingEstimateLineItems_cc47d94c-e9c2-4b85-bc81-cc8ba10eae95" xlink:to="loc_us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfAdoptionQuantification_de8d789c-de52-4938-be58-22496c9f5af9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccountingPoliciesScheduleofFiniteLivedIntangibleAssetsEstimateofUsefulLifeDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#AccountingPoliciesScheduleofFiniteLivedIntangibleAssetsEstimateofUsefulLifeDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccountingPoliciesScheduleofFiniteLivedIntangibleAssetsEstimateofUsefulLifeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingPoliciesAbstract_a44ccd22-3ee7-46b3-9df1-b0fec1732ade" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingPoliciesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_b4fef4b3-1fea-43a6-b864-6f48ddff8376" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountingPoliciesAbstract_a44ccd22-3ee7-46b3-9df1-b0fec1732ade" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_b4fef4b3-1fea-43a6-b864-6f48ddff8376" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_29fa1ac3-46df-4622-88c4-237ad7722d75" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_b4fef4b3-1fea-43a6-b864-6f48ddff8376" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_29fa1ac3-46df-4622-88c4-237ad7722d75" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1a129ac4-36f5-4b07-b179-20ba0c5dfdbb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_29fa1ac3-46df-4622-88c4-237ad7722d75" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1a129ac4-36f5-4b07-b179-20ba0c5dfdbb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollaborationAssetMember_7b010ce5-cb29-4081-bfed-2313d3813132" xlink:href="utx-20200930.xsd#utx_CollaborationAssetMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1a129ac4-36f5-4b07-b179-20ba0c5dfdbb" xlink:to="loc_utx_CollaborationAssetMember_7b010ce5-cb29-4081-bfed-2313d3813132" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_317fc0d6-4b0b-429e-ae31-b235d19c53ef" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1a129ac4-36f5-4b07-b179-20ba0c5dfdbb" xlink:to="loc_us-gaap_CustomerRelationshipsMember_317fc0d6-4b0b-429e-ae31-b235d19c53ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_399916ff-3427-4ed9-98ce-ca5187d2a0c8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1a129ac4-36f5-4b07-b179-20ba0c5dfdbb" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_399916ff-3427-4ed9-98ce-ca5187d2a0c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PatentsAndTrademarksMember_c7b60fb2-2b0d-4017-9e79-50b94044b1a9" xlink:href="utx-20200930.xsd#utx_PatentsAndTrademarksMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1a129ac4-36f5-4b07-b179-20ba0c5dfdbb" xlink:to="loc_utx_PatentsAndTrademarksMember_c7b60fb2-2b0d-4017-9e79-50b94044b1a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ExclusivityAssetsMember_32ce8d3d-5ef0-450c-9831-cd98a79a9f7f" xlink:href="utx-20200930.xsd#utx_ExclusivityAssetsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1a129ac4-36f5-4b07-b179-20ba0c5dfdbb" xlink:to="loc_utx_ExclusivityAssetsMember_32ce8d3d-5ef0-450c-9831-cd98a79a9f7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_9ad83843-64c4-4b05-858e-52da1147525a" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_b4fef4b3-1fea-43a6-b864-6f48ddff8376" xlink:to="loc_srt_RangeAxis_9ad83843-64c4-4b05-858e-52da1147525a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_a4c0690c-f259-415c-8e9e-010f4b674a44" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_9ad83843-64c4-4b05-858e-52da1147525a" xlink:to="loc_srt_RangeMember_a4c0690c-f259-415c-8e9e-010f4b674a44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_fbc3da3c-15be-47e9-9751-03d5b329dedb" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_a4c0690c-f259-415c-8e9e-010f4b674a44" xlink:to="loc_srt_MaximumMember_fbc3da3c-15be-47e9-9751-03d5b329dedb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_83869feb-bc1b-445a-8f9a-acd4bfe00302" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_a4c0690c-f259-415c-8e9e-010f4b674a44" xlink:to="loc_srt_MinimumMember_83869feb-bc1b-445a-8f9a-acd4bfe00302" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_9576878b-a591-421f-aaa4-8fc43c433faf" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_b4fef4b3-1fea-43a6-b864-6f48ddff8376" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_9576878b-a591-421f-aaa4-8fc43c433faf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_d7653f80-66d3-4c60-a105-0af4ef68e7e5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_9576878b-a591-421f-aaa4-8fc43c433faf" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_d7653f80-66d3-4c60-a105-0af4ef68e7e5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillandOtherIntangibleAssets" xlink:type="simple" xlink:href="utx-20200930.xsd#AcquisitionsDispositionsGoodwillandOtherIntangibleAssets"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillandOtherIntangibleAssets" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_fd1c255e-9a7a-4fd1-b18d-9ed110f427f5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationDisclosureTextBlock_82760816-9448-48bd-a698-434f96a8ba0b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_fd1c255e-9a7a-4fd1-b18d-9ed110f427f5" xlink:to="loc_us-gaap_BusinessCombinationDisclosureTextBlock_82760816-9448-48bd-a698-434f96a8ba0b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsBusinessAcquisitionsDispositionsGoodwillandIntangibleAssetsTables" xlink:type="simple" xlink:href="utx-20200930.xsd#AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsBusinessAcquisitionsDispositionsGoodwillandIntangibleAssetsTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsBusinessAcquisitionsDispositionsGoodwillandIntangibleAssetsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationsAbstract_ae14e185-61ef-4253-b6b2-de6b4d22e0f0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_b7b35d23-a2a3-42eb-a88d-46e9ccb5c7f6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationsAbstract_ae14e185-61ef-4253-b6b2-de6b4d22e0f0" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_b7b35d23-a2a3-42eb-a88d-46e9ccb5c7f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_ebf7199d-9cd4-47ad-bc98-2c2b66a132bd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_b7b35d23-a2a3-42eb-a88d-46e9ccb5c7f6" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_ebf7199d-9cd4-47ad-bc98-2c2b66a132bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0b65ed0c-1b0a-4d75-8d61-1249f44c834a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_ebf7199d-9cd4-47ad-bc98-2c2b66a132bd" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0b65ed0c-1b0a-4d75-8d61-1249f44c834a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonCompanyMember_8f40cce1-609d-47b3-a5df-291471c3822f" xlink:href="utx-20200930.xsd#utx_RaytheonCompanyMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0b65ed0c-1b0a-4d75-8d61-1249f44c834a" xlink:to="loc_utx_RaytheonCompanyMember_8f40cce1-609d-47b3-a5df-291471c3822f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_4fafd673-5e34-430d-8f49-6f38785af6f6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTable_b7b35d23-a2a3-42eb-a88d-46e9ccb5c7f6" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_4fafd673-5e34-430d-8f49-6f38785af6f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock_98726362-1c71-45dc-8bfc-0cb2d239937f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_4fafd673-5e34-430d-8f49-6f38785af6f6" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentsTableTextBlock_98726362-1c71-45dc-8bfc-0cb2d239937f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTextBlock_a23c71f7-7950-47cb-afde-e73c119b9084" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfGoodwillTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_4fafd673-5e34-430d-8f49-6f38785af6f6" xlink:to="loc_us-gaap_ScheduleOfGoodwillTextBlock_a23c71f7-7950-47cb-afde-e73c119b9084" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock_641dab38-e23c-465a-b976-e90e5dacc72f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_4fafd673-5e34-430d-8f49-6f38785af6f6" xlink:to="loc_us-gaap_ScheduleOfIndefiniteLivedIntangibleAssetsTableTextBlock_641dab38-e23c-465a-b976-e90e5dacc72f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_cbd92fbc-30d7-4623-81a1-94d6a6efc097" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_4fafd673-5e34-430d-8f49-6f38785af6f6" xlink:to="loc_us-gaap_ScheduleofFiniteLivedIntangibleAssetsFutureAmortizationExpenseTableTextBlock_cbd92fbc-30d7-4623-81a1-94d6a6efc097" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfNoncashOrPartNoncashAcquisitionsTextBlock_7b5eec70-4d03-4994-8199-5b9652e29299" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfNoncashOrPartNoncashAcquisitionsTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_4fafd673-5e34-430d-8f49-6f38785af6f6" xlink:to="loc_us-gaap_ScheduleOfNoncashOrPartNoncashAcquisitionsTextBlock_7b5eec70-4d03-4994-8199-5b9652e29299" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_224a7c49-9685-4b41-8fbc-32eb2651bed8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_4fafd673-5e34-430d-8f49-6f38785af6f6" xlink:to="loc_us-gaap_ScheduleOfRecognizedIdentifiedAssetsAcquiredAndLiabilitiesAssumedTableTextBlock_224a7c49-9685-4b41-8fbc-32eb2651bed8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock_8fc2b325-07ad-471e-bbad-0dd2566a9edb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionProFormaInformationNonrecurringAdjustmentLineItems_4fafd673-5e34-430d-8f49-6f38785af6f6" xlink:to="loc_us-gaap_FiniteLivedAndIndefiniteLivedIntangibleAssetsAcquiredAsPartOfBusinessCombinationTableTextBlock_8fc2b325-07ad-471e-bbad-0dd2566a9edb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsGeneralInformationDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsGeneralInformationDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsGeneralInformationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetAbstract_93ae1bc5-68b9-4934-b430-57e76453a042" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_468559a8-c95f-4d1d-96d7-597f5eb10010" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNetAbstract_93ae1bc5-68b9-4934-b430-57e76453a042" xlink:to="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_468559a8-c95f-4d1d-96d7-597f5eb10010" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_d3887242-28f1-41e1-9ec6-dd722a225214" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_468559a8-c95f-4d1d-96d7-597f5eb10010" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_d3887242-28f1-41e1-9ec6-dd722a225214" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0e08c6fd-79d5-4a27-b07a-222dd646f1b5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_d3887242-28f1-41e1-9ec6-dd722a225214" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0e08c6fd-79d5-4a27-b07a-222dd646f1b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonCompanyMember_6d2ad65a-97f7-442a-849b-e6deb97f6353" xlink:href="utx-20200930.xsd#utx_RaytheonCompanyMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_0e08c6fd-79d5-4a27-b07a-222dd646f1b5" xlink:to="loc_utx_RaytheonCompanyMember_6d2ad65a-97f7-442a-849b-e6deb97f6353" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_03c8f663-1216-4cb5-b928-109b522090e0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_468559a8-c95f-4d1d-96d7-597f5eb10010" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_03c8f663-1216-4cb5-b928-109b522090e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_62f71e5f-c7e9-477b-8bd3-5a81084b8a7f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_03c8f663-1216-4cb5-b928-109b522090e0" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_62f71e5f-c7e9-477b-8bd3-5a81084b8a7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_256e212d-4f0e-4029-b4fc-7172231c647a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_62f71e5f-c7e9-477b-8bd3-5a81084b8a7f" xlink:to="loc_us-gaap_CustomerRelationshipsMember_256e212d-4f0e-4029-b4fc-7172231c647a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TrademarksMember_7f98b5ef-a123-42fc-8220-9a27c74d2fb8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TrademarksMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_62f71e5f-c7e9-477b-8bd3-5a81084b8a7f" xlink:to="loc_us-gaap_TrademarksMember_7f98b5ef-a123-42fc-8220-9a27c74d2fb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_16381dec-0da8-4794-abfa-29abe5d22d8e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_62f71e5f-c7e9-477b-8bd3-5a81084b8a7f" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_16381dec-0da8-4794-abfa-29abe5d22d8e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_d87e530a-cfef-42e0-bcb8-86c4f8defab4" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_468559a8-c95f-4d1d-96d7-597f5eb10010" xlink:to="loc_srt_RangeAxis_d87e530a-cfef-42e0-bcb8-86c4f8defab4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_86a65c75-19b8-4b58-8dc4-508eef80a29b" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_d87e530a-cfef-42e0-bcb8-86c4f8defab4" xlink:to="loc_srt_RangeMember_86a65c75-19b8-4b58-8dc4-508eef80a29b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_ec85e108-a2b5-4811-9b09-174c251afaff" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_86a65c75-19b8-4b58-8dc4-508eef80a29b" xlink:to="loc_srt_MaximumMember_ec85e108-a2b5-4811-9b09-174c251afaff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_5b527e51-6479-450a-9227-57f4db880da5" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_86a65c75-19b8-4b58-8dc4-508eef80a29b" xlink:to="loc_srt_MinimumMember_5b527e51-6479-450a-9227-57f4db880da5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_9841a623-358e-4690-99a5-cccb2311d211" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_468559a8-c95f-4d1d-96d7-597f5eb10010" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_9841a623-358e-4690-99a5-cccb2311d211" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_03c2c0f2-1947-4fac-9ee2-85129a3f00db" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_9841a623-358e-4690-99a5-cccb2311d211" xlink:to="loc_us-gaap_SegmentDomain_03c2c0f2-1947-4fac-9ee2-85129a3f00db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_UTCClimateControlsAndSecurityMember_aebbc386-2dbb-4c7e-90e3-10e6cd500b0e" xlink:href="utx-20200930.xsd#utx_UTCClimateControlsAndSecurityMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_03c2c0f2-1947-4fac-9ee2-85129a3f00db" xlink:to="loc_utx_UTCClimateControlsAndSecurityMember_aebbc386-2dbb-4c7e-90e3-10e6cd500b0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtisMember_a21c7f00-9209-4cd0-968b-111de8f192ec" xlink:href="utx-20200930.xsd#utx_OtisMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_03c2c0f2-1947-4fac-9ee2-85129a3f00db" xlink:to="loc_utx_OtisMember_a21c7f00-9209-4cd0-968b-111de8f192ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_b47f07b9-6cd0-4e53-a540-37036aa418df" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_468559a8-c95f-4d1d-96d7-597f5eb10010" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_b47f07b9-6cd0-4e53-a540-37036aa418df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_bb72b02a-b67b-4f02-ac31-51301e9c16e6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_b47f07b9-6cd0-4e53-a540-37036aa418df" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_bb72b02a-b67b-4f02-ac31-51301e9c16e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollinsAerospaceMilitaryGlobalPositioningSystemGPSAndSpaceBasedPrecisionOpticsBusinessesMember_af8263f4-b463-495d-ab2d-0907d3b46f30" xlink:href="utx-20200930.xsd#utx_CollinsAerospaceMilitaryGlobalPositioningSystemGPSAndSpaceBasedPrecisionOpticsBusinessesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_bb72b02a-b67b-4f02-ac31-51301e9c16e6" xlink:to="loc_utx_CollinsAerospaceMilitaryGlobalPositioningSystemGPSAndSpaceBasedPrecisionOpticsBusinessesMember_af8263f4-b463-495d-ab2d-0907d3b46f30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_AirborneTacticalRadiosBusinessMember_25489503-af0b-419d-a761-82d05bb46bb3" xlink:href="utx-20200930.xsd#utx_AirborneTacticalRadiosBusinessMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_bb72b02a-b67b-4f02-ac31-51301e9c16e6" xlink:to="loc_utx_AirborneTacticalRadiosBusinessMember_25489503-af0b-419d-a761-82d05bb46bb3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_17fc89ba-9680-4ccf-958f-3448b573137a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_468559a8-c95f-4d1d-96d7-597f5eb10010" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_17fc89ba-9680-4ccf-958f-3448b573137a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_a737680d-ba62-4ebc-9311-1f4517ee25a8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_17fc89ba-9680-4ccf-958f-3448b573137a" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_a737680d-ba62-4ebc-9311-1f4517ee25a8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherOperatingIncomeExpenseMember_a1796cba-b67f-42fe-9c1c-64ab305746e6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherOperatingIncomeExpenseMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_a737680d-ba62-4ebc-9311-1f4517ee25a8" xlink:to="loc_us-gaap_OtherOperatingIncomeExpenseMember_a1796cba-b67f-42fe-9c1c-64ab305746e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseMember_bf954076-0072-41f1-8b99-a8150ee4bc8a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpenseMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_a737680d-ba62-4ebc-9311-1f4517ee25a8" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseMember_bf954076-0072-41f1-8b99-a8150ee4bc8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionLineItems"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfBusinessAcquisitionsByAcquisitionTable_468559a8-c95f-4d1d-96d7-597f5eb10010" xlink:to="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_BusinessAcquisitionUTCstockpayableshares_5d72b081-7a4c-4638-aaf1-d80838c3a51f" xlink:href="utx-20200930.xsd#utx_BusinessAcquisitionUTCstockpayableshares"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_BusinessAcquisitionUTCstockpayableshares_5d72b081-7a4c-4638-aaf1-d80838c3a51f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_FairValueOfRTCCommonStockIssuedForRaytheonCompanyOutstandingCommonStockAndVestedEquityAwards_08e71f32-fdc0-4240-8b2a-477b72e5aaf7" xlink:href="utx-20200930.xsd#utx_FairValueOfRTCCommonStockIssuedForRaytheonCompanyOutstandingCommonStockAndVestedEquityAwards"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_FairValueOfRTCCommonStockIssuedForRaytheonCompanyOutstandingCommonStockAndVestedEquityAwards_08e71f32-fdc0-4240-8b2a-477b72e5aaf7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_FairValueAttributableToPreMergerServiceForReplacementEquityAwards_b6af0f99-4d8b-41f2-93a7-d4ca161f3458" xlink:href="utx-20200930.xsd#utx_FairValueAttributableToPreMergerServiceForReplacementEquityAwards"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_FairValueAttributableToPreMergerServiceForReplacementEquityAwards_b6af0f99-4d8b-41f2-93a7-d4ca161f3458" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_TotalEstimatedMergerConsideration_42443f0b-5fcf-4062-97a2-fefbd72f35e2" xlink:href="utx-20200930.xsd#utx_TotalEstimatedMergerConsideration"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_TotalEstimatedMergerConsideration_42443f0b-5fcf-4062-97a2-fefbd72f35e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommonStockSharesOutstanding_7ced79cf-713e-4b48-8259-87cdfbb5b3c3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommonStockSharesOutstanding"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_CommonStockSharesOutstanding_7ced79cf-713e-4b48-8259-87cdfbb5b3c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_StockAwardsVestedAsAResultOfTheRaytheonMerger_63b809d7-282d-4e0b-bb6f-6cdfa46ee8e0" xlink:href="utx-20200930.xsd#utx_StockAwardsVestedAsAResultOfTheRaytheonMerger"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_StockAwardsVestedAsAResultOfTheRaytheonMerger_63b809d7-282d-4e0b-bb6f-6cdfa46ee8e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_TotalOutstandingSharesEntitledToMergerConsideration_85f88ee0-67f6-4a80-a7ad-009f6383f84a" xlink:href="utx-20200930.xsd#utx_TotalOutstandingSharesEntitledToMergerConsideration"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_TotalOutstandingSharesEntitledToMergerConsideration_85f88ee0-67f6-4a80-a7ad-009f6383f84a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_SharesOfRTCCommonStockIssuedForRaytheonCompanyOutstandingCommonStockAndVestedEquityAwards_13495b9d-6405-4b57-a3ae-1772f8348426" xlink:href="utx-20200930.xsd#utx_SharesOfRTCCommonStockIssuedForRaytheonCompanyOutstandingCommonStockAndVestedEquityAwards"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_SharesOfRTCCommonStockIssuedForRaytheonCompanyOutstandingCommonStockAndVestedEquityAwards_13495b9d-6405-4b57-a3ae-1772f8348426" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PricePerShareOfRTCCommonStock_e25f7cf3-9334-4db0-bfc5-1d39af7d497c" xlink:href="utx-20200930.xsd#utx_PricePerShareOfRTCCommonStock"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_PricePerShareOfRTCCommonStock_e25f7cf3-9334-4db0-bfc5-1d39af7d497c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_03f8e2df-87b6-472c-a00e-c84e5fb27c7e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCashAndEquivalents_03f8e2df-87b6-472c-a00e-c84e5fb27c7e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_10e2aa12-e437-415a-ae86-fa2fa3c3ee72" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsReceivables_10e2aa12-e437-415a-ae86-fa2fa3c3ee72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_9f82d1ad-edb4-4cbe-871a-4a7eb559f794" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedInventory_9f82d1ad-edb4-4cbe-871a-4a7eb559f794" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractAssets_7cfd9c30-b3b9-437f-a80c-378334db2b6a" xlink:href="utx-20200930.xsd#utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractAssets"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedContractAssets_7cfd9c30-b3b9-437f-a80c-378334db2b6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_bb4db790-b38a-43b4-929e-5e413caa5e43" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentAssetsOther_bb4db790-b38a-43b4-929e-5e413caa5e43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets_39f98f8b-246c-44f0-9bbf-9511a57dfa34" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedDeferredTaxAssets_39f98f8b-246c-44f0-9bbf-9511a57dfa34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_34bd399b-a27d-46eb-97aa-34c7675c1957" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedPropertyPlantAndEquipment_34bd399b-a27d-46eb-97aa-34c7675c1957" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_23e4df18-6fc6-443d-9d63-1af29d3d8f6d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibleAssetsOtherThanGoodwill_23e4df18-6fc6-443d-9d63-1af29d3d8f6d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_a070e25e-a4bb-44dd-9400-09e604b41f22" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedIntangibles_a070e25e-a4bb-44dd-9400-09e604b41f22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_ccc6434a-36ed-44a2-9fd9-af4de61a33e6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedOtherNoncurrentAssets_ccc6434a-36ed-44a2-9fd9-af4de61a33e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_5ec04b1a-445a-49a1-8e18-fc6c44833e8a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedAssets_5ec04b1a-445a-49a1-8e18-fc6c44833e8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_4b5ded29-3a2c-45be-8723-f8458c998cc0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccountsPayable_4b5ded29-3a2c-45be-8723-f8458c998cc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities_8b031222-3ed7-49df-86b7-d44a67c49d04" xlink:href="utx-20200930.xsd#utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesAccruedLiabilities_8b031222-3ed7-49df-86b7-d44a67c49d04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesContractLiabilities_adcec992-90b3-496d-b655-b808acddc02e" xlink:href="utx-20200930.xsd#utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesContractLiabilities"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesContractLiabilities_adcec992-90b3-496d-b655-b808acddc02e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_504ca98c-9fe1-48db-85a5-6e44122c5197" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesLongTermDebt_504ca98c-9fe1-48db-85a5-6e44122c5197" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesPensionAndPostretirementLiabilities_1a186257-e2f9-401b-8ded-5874e325b55d" xlink:href="utx-20200930.xsd#utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesPensionAndPostretirementLiabilities"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesPensionAndPostretirementLiabilities_1a186257-e2f9-401b-8ded-5874e325b55d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_400c989e-24ce-4ed0-a4be-9893d3a58cee" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther"/>
    <link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNoncurrentLiabilitiesOther_400c989e-24ce-4ed0-a4be-9893d3a58cee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_b8c7f1c6-ede8-4c79-9e1f-d49c43762b96" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities"/>
    <link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedLiabilities_b8c7f1c6-ede8-4c79-9e1f-d49c43762b96" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_594b07e5-f362-4eeb-a55c-a7c939a00f86" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet"/>
    <link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedNet_594b07e5-f362-4eeb-a55c-a7c939a00f86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_fb60f04d-8f84-4124-8b5c-b7810b638e62" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_Goodwill_fb60f04d-8f84-4124-8b5c-b7810b638e62" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_BusinessCombinationAcquisitionOfNoncontrollingInterestFairValue_adff315a-5e2d-49b4-b45d-157037a0a556" xlink:href="utx-20200930.xsd#utx_BusinessCombinationAcquisitionOfNoncontrollingInterestFairValue"/>
    <link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_BusinessCombinationAcquisitionOfNoncontrollingInterestFairValue_adff315a-5e2d-49b4-b45d-157037a0a556" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_131d7a03-aa3c-4efe-8936-a0ea47535674" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet"/>
    <link:presentationArc order="31" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNet_131d7a03-aa3c-4efe-8936-a0ea47535674" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_FairValueAdjustmentsToFixedAssets_d6eb243a-715a-467c-b35f-60e1392fd9cb" xlink:href="utx-20200930.xsd#utx_FairValueAdjustmentsToFixedAssets"/>
    <link:presentationArc order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_FairValueAdjustmentsToFixedAssets_d6eb243a-715a-467c-b35f-60e1392fd9cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_FairValueAdjustmentToFuturePensionAndPostretirementBenefitObligations_d087c9ba-378a-408c-b106-65da3ab2457d" xlink:href="utx-20200930.xsd#utx_FairValueAdjustmentToFuturePensionAndPostretirementBenefitObligations"/>
    <link:presentationArc order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_FairValueAdjustmentToFuturePensionAndPostretirementBenefitObligations_d087c9ba-378a-408c-b106-65da3ab2457d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_f399e1e1-6196-495f-a4d3-423c8f305e2c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationAcquisitionRelatedCosts"/>
    <link:presentationArc order="34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessCombinationAcquisitionRelatedCosts_f399e1e1-6196-495f-a4d3-423c8f305e2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CostsRelatedToTheDivestituresRequiredForRegulatoryApproval_c4697c48-8965-4d81-87ca-79a8608ea112" xlink:href="utx-20200930.xsd#utx_CostsRelatedToTheDivestituresRequiredForRegulatoryApproval"/>
    <link:presentationArc order="35" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_CostsRelatedToTheDivestituresRequiredForRegulatoryApproval_c4697c48-8965-4d81-87ca-79a8608ea112" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_d29f9bce-484d-4364-83c9-d576baa9a9f1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetUsefulLife"/>
    <link:presentationArc order="36" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetUsefulLife_d29f9bce-484d-4364-83c9-d576baa9a9f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLossContracts_02ffa7c5-27a2-4af2-8a35-a0fcc71f86e1" xlink:href="utx-20200930.xsd#utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLossContracts"/>
    <link:presentationArc order="37" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_BusinessCombinationRecognizedIdentifiableAssetsAcquiredAndLiabilitiesAssumedCurrentLiabilitiesLossContracts_02ffa7c5-27a2-4af2-8a35-a0fcc71f86e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_926a85db-45fb-4446-833f-f9d01f784287" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaRevenue"/>
    <link:presentationArc order="38" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaRevenue_926a85db-45fb-4446-833f-f9d01f784287" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_7831d66a-9ad2-4f32-8303-6818ec6f055e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss"/>
    <link:presentationArc order="39" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss_7831d66a-9ad2-4f32-8303-6818ec6f055e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic_37f3111e-1dbb-409d-9bbf-fb3056bfdc6f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic"/>
    <link:presentationArc order="40" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareBasic_37f3111e-1dbb-409d-9bbf-fb3056bfdc6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted_d689bb67-4d05-45d9-b5cb-5a4ae13fe530" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted"/>
    <link:presentationArc order="41" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_BusinessAcquisitionProFormaIncomeLossFromContinuingOperationsBeforeChangesInAccountingAndExtraordinaryItemsNetOfTaxPerShareDiluted_d689bb67-4d05-45d9-b5cb-5a4ae13fe530" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ProFormaNonrecurringAdjustmentAmortizationOfAcquiredRaytheonCompanyIntangibleAssetsNet_bec7babb-09bd-4919-9383-739fd773f9c3" xlink:href="utx-20200930.xsd#utx_ProFormaNonrecurringAdjustmentAmortizationOfAcquiredRaytheonCompanyIntangibleAssetsNet"/>
    <link:presentationArc order="42" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_ProFormaNonrecurringAdjustmentAmortizationOfAcquiredRaytheonCompanyIntangibleAssetsNet_bec7babb-09bd-4919-9383-739fd773f9c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ProFormaNonrecurringAdjustmentAmortizationofinventoryandfixedassetfairvalueadjustment_7d4ed854-4155-4d11-81eb-af3644c00234" xlink:href="utx-20200930.xsd#utx_ProFormaNonrecurringAdjustmentAmortizationofinventoryandfixedassetfairvalueadjustment"/>
    <link:presentationArc order="43" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_ProFormaNonrecurringAdjustmentAmortizationofinventoryandfixedassetfairvalueadjustment_7d4ed854-4155-4d11-81eb-af3644c00234" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ProFormaNonrecurringAdjustmentUtilizationofcontractualcustomerobligation_049116de-5ba0-4412-a62e-0839650398c5" xlink:href="utx-20200930.xsd#utx_ProFormaNonrecurringAdjustmentUtilizationofcontractualcustomerobligation"/>
    <link:presentationArc order="44" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_ProFormaNonrecurringAdjustmentUtilizationofcontractualcustomerobligation_049116de-5ba0-4412-a62e-0839650398c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ProFormaNonrecurringAdjustmentDeferredRevenueFairValueAdjustment_0951ffe5-0f6b-4eff-b1ff-569bc747875d" xlink:href="utx-20200930.xsd#utx_ProFormaNonrecurringAdjustmentDeferredRevenueFairValueAdjustment"/>
    <link:presentationArc order="45" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_ProFormaNonrecurringAdjustmentDeferredRevenueFairValueAdjustment_0951ffe5-0f6b-4eff-b1ff-569bc747875d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ProFormaNonrecurringAdjustmentAdjustmenttonetperiodicpensioncost_febd8b33-2e65-4360-aec0-8c7aff565b4b" xlink:href="utx-20200930.xsd#utx_ProFormaNonrecurringAdjustmentAdjustmenttonetperiodicpensioncost"/>
    <link:presentationArc order="46" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_ProFormaNonrecurringAdjustmentAdjustmenttonetperiodicpensioncost_febd8b33-2e65-4360-aec0-8c7aff565b4b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ProFormaNonrecurringAdjustmentRTCRaytheonFeesForAdvisoryLegalAccountingServices_485a21e5-cec0-49b2-8cb1-9dd5f3ec1ebe" xlink:href="utx-20200930.xsd#utx_ProFormaNonrecurringAdjustmentRTCRaytheonFeesForAdvisoryLegalAccountingServices"/>
    <link:presentationArc order="47" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_ProFormaNonrecurringAdjustmentRTCRaytheonFeesForAdvisoryLegalAccountingServices_485a21e5-cec0-49b2-8cb1-9dd5f3ec1ebe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ProFormaNonrecurringAdjustmentInterestExpenseRelatedToDebtDistributionsAndRaytheonMergerNet_65d61314-a377-4482-8075-9ecda887ffde" xlink:href="utx-20200930.xsd#utx_ProFormaNonrecurringAdjustmentInterestExpenseRelatedToDebtDistributionsAndRaytheonMergerNet"/>
    <link:presentationArc order="48" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_ProFormaNonrecurringAdjustmentInterestExpenseRelatedToDebtDistributionsAndRaytheonMergerNet_65d61314-a377-4482-8075-9ecda887ffde" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ProFormaNonrecurringAdjustmentEliminationOfDeferredCommissionAmortization_94adbc3c-fa67-4b54-bf08-084b107a02c0" xlink:href="utx-20200930.xsd#utx_ProFormaNonrecurringAdjustmentEliminationOfDeferredCommissionAmortization"/>
    <link:presentationArc order="49" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_ProFormaNonrecurringAdjustmentEliminationOfDeferredCommissionAmortization_94adbc3c-fa67-4b54-bf08-084b107a02c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ProFormaNonrecurringAdjustmentsNet_f2c98200-3dbd-49f9-aaed-5bbf8f116845" xlink:href="utx-20200930.xsd#utx_ProFormaNonrecurringAdjustmentsNet"/>
    <link:presentationArc order="50" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_ProFormaNonrecurringAdjustmentsNet_f2c98200-3dbd-49f9-aaed-5bbf8f116845" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_SharesOfCommonStockDistributedInTheDistribution_81571fd5-a6bf-4794-a997-3de48ed5066c" xlink:href="utx-20200930.xsd#utx_SharesOfCommonStockDistributedInTheDistribution"/>
    <link:presentationArc order="51" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_SharesOfCommonStockDistributedInTheDistribution_81571fd5-a6bf-4794-a997-3de48ed5066c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates_b2c639a7-517e-432b-88a9-ddc22d70e771" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates"/>
    <link:presentationArc order="52" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_ProceedsFromDivestitureOfBusinessesAndInterestsInAffiliates_b2c639a7-517e-432b-88a9-ddc22d70e771" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_GainOnDisposalRecordedAsAnAdjustmentToFairValueOfNetAssetAcquired_97760eab-0f3e-49ff-8500-d38c6a5767bf" xlink:href="utx-20200930.xsd#utx_GainOnDisposalRecordedAsAnAdjustmentToFairValueOfNetAssetAcquired"/>
    <link:presentationArc order="53" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_GainOnDisposalRecordedAsAnAdjustmentToFairValueOfNetAssetAcquired_97760eab-0f3e-49ff-8500-d38c6a5767bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_f8e5a514-2810-4597-bf1a-7c885c010107" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal"/>
    <link:presentationArc order="54" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_DisposalGroupNotDiscontinuedOperationGainLossOnDisposal_f8e5a514-2810-4597-bf1a-7c885c010107" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DisposalGroupNotDiscontinuedOperationGainLossOnDisposalAfterTax_e7c9d690-50ec-462a-90a5-2d1be6716dc1" xlink:href="utx-20200930.xsd#utx_DisposalGroupNotDiscontinuedOperationGainLossOnDisposalAfterTax"/>
    <link:presentationArc order="55" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_utx_DisposalGroupNotDiscontinuedOperationGainLossOnDisposalAfterTax_e7c9d690-50ec-462a-90a5-2d1be6716dc1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax_905b431f-e747-4dbf-b23f-cfec9db1280a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax"/>
    <link:presentationArc order="56" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionLineItems_d5500545-b4e0-4b7c-bc81-4e3fe91fe457" xlink:to="loc_us-gaap_IncomeLossFromIndividuallySignificantComponentDisposedOfOrHeldForSaleExcludingDiscontinuedOperationsBeforeIncomeTax_905b431f-e747-4dbf-b23f-cfec9db1280a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AcquisitionDispositionsGoodwillandOtherIntangibleAssetsGoodwillDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#AcquisitionDispositionsGoodwillandOtherIntangibleAssetsGoodwillDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AcquisitionDispositionsGoodwillandOtherIntangibleAssetsGoodwillDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_c8b7987c-d7b2-4c24-8ddd-4e2d60cd40c3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfGoodwillTable_1c2ae8dc-a398-4655-a09e-4bd927fcc709" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfGoodwillTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_c8b7987c-d7b2-4c24-8ddd-4e2d60cd40c3" xlink:to="loc_us-gaap_ScheduleOfGoodwillTable_1c2ae8dc-a398-4655-a09e-4bd927fcc709" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_5d58b146-4077-4292-a2dc-e299f8897c8a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_1c2ae8dc-a398-4655-a09e-4bd927fcc709" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_5d58b146-4077-4292-a2dc-e299f8897c8a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_07d58cf7-37a6-4e3f-89b7-55fab0c9171d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5d58b146-4077-4292-a2dc-e299f8897c8a" xlink:to="loc_us-gaap_SegmentDomain_07d58cf7-37a6-4e3f-89b7-55fab0c9171d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollinsAerospaceSystemsMember_5e2dba7a-f923-4526-84d2-95f4bde41f41" xlink:href="utx-20200930.xsd#utx_CollinsAerospaceSystemsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_07d58cf7-37a6-4e3f-89b7-55fab0c9171d" xlink:to="loc_utx_CollinsAerospaceSystemsMember_5e2dba7a-f923-4526-84d2-95f4bde41f41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrattAndWhitneyMember_02b39a94-49cf-45c0-8ad4-f17b2febf3e1" xlink:href="utx-20200930.xsd#utx_PrattAndWhitneyMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_07d58cf7-37a6-4e3f-89b7-55fab0c9171d" xlink:to="loc_utx_PrattAndWhitneyMember_02b39a94-49cf-45c0-8ad4-f17b2febf3e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonIntelligenceSpaceMember_ea067297-7951-405d-aeb9-31251ae5e4dd" xlink:href="utx-20200930.xsd#utx_RaytheonIntelligenceSpaceMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_07d58cf7-37a6-4e3f-89b7-55fab0c9171d" xlink:to="loc_utx_RaytheonIntelligenceSpaceMember_ea067297-7951-405d-aeb9-31251ae5e4dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonMissilesDefenseMember_88c0cf5d-fbb4-4433-a134-852217374e6b" xlink:href="utx-20200930.xsd#utx_RaytheonMissilesDefenseMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_07d58cf7-37a6-4e3f-89b7-55fab0c9171d" xlink:to="loc_utx_RaytheonMissilesDefenseMember_88c0cf5d-fbb4-4433-a134-852217374e6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_TotalSegmentsMember_4c5f54d5-c835-4c57-8c41-e1e778c4b6c1" xlink:href="utx-20200930.xsd#utx_TotalSegmentsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_07d58cf7-37a6-4e3f-89b7-55fab0c9171d" xlink:to="loc_utx_TotalSegmentsMember_4c5f54d5-c835-4c57-8c41-e1e778c4b6c1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_EliminationsAndOtherMember_1dc6bf9e-0378-45dc-97ec-507fec393ddf" xlink:href="utx-20200930.xsd#utx_EliminationsAndOtherMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_07d58cf7-37a6-4e3f-89b7-55fab0c9171d" xlink:to="loc_utx_EliminationsAndOtherMember_1dc6bf9e-0378-45dc-97ec-507fec393ddf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfGoodwillTable_1c2ae8dc-a398-4655-a09e-4bd927fcc709" xlink:to="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_8438aa34-44e1-4cdf-8431-46f90f8a09dc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_us-gaap_Goodwill_8438aa34-44e1-4cdf-8431-46f90f8a09dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillAcquiredDuringPeriod_126cf874-3376-48ba-a6a2-a815965c1a80" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillAcquiredDuringPeriod"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_us-gaap_GoodwillAcquiredDuringPeriod_126cf874-3376-48ba-a6a2-a815965c1a80" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GoodwillImpairmentLoss_3e939b22-9381-41c2-bbd9-29f9071b1daa" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GoodwillImpairmentLoss"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_us-gaap_GoodwillImpairmentLoss_3e939b22-9381-41c2-bbd9-29f9071b1daa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Goodwilltranslationandotherincreasedecrease_49a4c992-9060-45fe-a740-3b03aab14e73" xlink:href="utx-20200930.xsd#utx_Goodwilltranslationandotherincreasedecrease"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_utx_Goodwilltranslationandotherincreasedecrease_49a4c992-9060-45fe-a740-3b03aab14e73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Goodwill_f228944a-55ba-43ef-8f00-035c64b8ca65" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Goodwill"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_us-gaap_Goodwill_f228944a-55ba-43ef-8f00-035c64b8ca65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReportingUnitAmountOfFairValueInExcessOfCarryingAmount_c0d0d28d-65af-42bc-87c9-6412e80a563e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReportingUnitAmountOfFairValueInExcessOfCarryingAmount"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_us-gaap_ReportingUnitAmountOfFairValueInExcessOfCarryingAmount_c0d0d28d-65af-42bc-87c9-6412e80a563e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_6359b2c0-be20-4b7e-8d53-cd5dc34b8e87" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_us-gaap_ReportingUnitPercentageOfFairValueInExcessOfCarryingAmount_6359b2c0-be20-4b7e-8d53-cd5dc34b8e87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_GoodwillImpairmentImpactOf25bpsIncreaseInDiscountRate_3df9227f-6e17-4d9f-8e56-22479fad9020" xlink:href="utx-20200930.xsd#utx_GoodwillImpairmentImpactOf25bpsIncreaseInDiscountRate"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_utx_GoodwillImpairmentImpactOf25bpsIncreaseInDiscountRate_3df9227f-6e17-4d9f-8e56-22479fad9020" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_GoodwillImpairmentImpactOf25bpsDecreaseInDiscountRate_afc03312-28cc-45ad-b2eb-f4bf73924142" xlink:href="utx-20200930.xsd#utx_GoodwillImpairmentImpactOf25bpsDecreaseInDiscountRate"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_utx_GoodwillImpairmentImpactOf25bpsDecreaseInDiscountRate_afc03312-28cc-45ad-b2eb-f4bf73924142" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_GoodwillImpairmentImpactOf10DecreaseInCashFlows_624e3de4-e84c-4f28-a1eb-87b8410bda2a" xlink:href="utx-20200930.xsd#utx_GoodwillImpairmentImpactOf10DecreaseInCashFlows"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_utx_GoodwillImpairmentImpactOf10DecreaseInCashFlows_624e3de4-e84c-4f28-a1eb-87b8410bda2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_GoodwillImpairmentImpactOf10IncreaseInCashFlows_7a01a9ad-cfb6-419a-be56-71e848fd5fef" xlink:href="utx-20200930.xsd#utx_GoodwillImpairmentImpactOf10IncreaseInCashFlows"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GoodwillLineItems_5aedfc79-13e8-4e7d-acd2-cc17cd068110" xlink:to="loc_utx_GoodwillImpairmentImpactOf10IncreaseInCashFlows_7a01a9ad-cfb6-419a-be56-71e848fd5fef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsIntangibleAssetsDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsIntangibleAssetsDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsIntangibleAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_18c161a0-fbaa-459c-8ec3-34d3c1ec1d23" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_09a9314c-edcb-4b26-9405-75c3446469a6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_18c161a0-fbaa-459c-8ec3-34d3c1ec1d23" xlink:to="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_09a9314c-edcb-4b26-9405-75c3446469a6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_c6651dbb-1b7b-4feb-b709-8c43a2a7da9e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_09a9314c-edcb-4b26-9405-75c3446469a6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_c6651dbb-1b7b-4feb-b709-8c43a2a7da9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1f6d6eee-381d-41e8-88ef-d2a05d8142ff" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsByMajorClassAxis_c6651dbb-1b7b-4feb-b709-8c43a2a7da9e" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1f6d6eee-381d-41e8-88ef-d2a05d8142ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PatentsAndTrademarksMember_114cb64d-17fa-499c-b6a7-75aa339f7f00" xlink:href="utx-20200930.xsd#utx_PatentsAndTrademarksMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1f6d6eee-381d-41e8-88ef-d2a05d8142ff" xlink:to="loc_utx_PatentsAndTrademarksMember_114cb64d-17fa-499c-b6a7-75aa339f7f00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollaborationMember_9fff4855-75f9-4883-8f67-9d43a96c4299" xlink:href="utx-20200930.xsd#utx_CollaborationMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1f6d6eee-381d-41e8-88ef-d2a05d8142ff" xlink:to="loc_utx_CollaborationMember_9fff4855-75f9-4883-8f67-9d43a96c4299" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CustomerRelationshipsMember_5fdaa07a-436c-4500-827e-735fb4d5ab34" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CustomerRelationshipsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1f6d6eee-381d-41e8-88ef-d2a05d8142ff" xlink:to="loc_us-gaap_CustomerRelationshipsMember_5fdaa07a-436c-4500-827e-735fb4d5ab34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DevelopedTechnologyRightsMember_ffaf6de0-b3fe-451b-bd3b-d08c736e91dd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DevelopedTechnologyRightsMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1f6d6eee-381d-41e8-88ef-d2a05d8142ff" xlink:to="loc_us-gaap_DevelopedTechnologyRightsMember_ffaf6de0-b3fe-451b-bd3b-d08c736e91dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ExclusivityAssetsMember_8c379021-e4d5-47bc-a7e3-db955d88ab34" xlink:href="utx-20200930.xsd#utx_ExclusivityAssetsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_1f6d6eee-381d-41e8-88ef-d2a05d8142ff" xlink:to="loc_utx_ExclusivityAssetsMember_8c379021-e4d5-47bc-a7e3-db955d88ab34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_e6ca490b-655e-4f4b-be0a-ca8aa4d30e5d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_09a9314c-edcb-4b26-9405-75c3446469a6" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_e6ca490b-655e-4f4b-be0a-ca8aa4d30e5d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_cd4fca88-d5dc-4f56-add8-6094d36de351" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_e6ca490b-655e-4f4b-be0a-ca8aa4d30e5d" xlink:to="loc_us-gaap_SegmentDomain_cd4fca88-d5dc-4f56-add8-6094d36de351" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollinsAerospaceSystemsMember_bd6335b5-61e9-42f0-8b68-4b8cb721c13d" xlink:href="utx-20200930.xsd#utx_CollinsAerospaceSystemsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_cd4fca88-d5dc-4f56-add8-6094d36de351" xlink:to="loc_utx_CollinsAerospaceSystemsMember_bd6335b5-61e9-42f0-8b68-4b8cb721c13d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_bcf3d9da-c168-484c-8bf5-c61f2492a184" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfFiniteLivedIntangibleAssetsTable_09a9314c-edcb-4b26-9405-75c3446469a6" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_bcf3d9da-c168-484c-8bf5-c61f2492a184" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsGross_b55e18f7-6881-4d15-83ff-1fb5867292ef" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsGross"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_bcf3d9da-c168-484c-8bf5-c61f2492a184" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsGross_b55e18f7-6881-4d15-83ff-1fb5867292ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_a11ba68a-928e-44c6-a864-ee3528fa17af" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_bcf3d9da-c168-484c-8bf5-c61f2492a184" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization_a11ba68a-928e-44c6-a864-ee3528fa17af" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_a5b16230-993f-435d-9b5c-b4b3b6b0495c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_bcf3d9da-c168-484c-8bf5-c61f2492a184" xlink:to="loc_us-gaap_IndefiniteLivedIntangibleAssetsExcludingGoodwill_a5b16230-993f-435d-9b5c-b4b3b6b0495c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_4e4ee3b9-f6e8-474b-becf-880d0fc6dc77" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntangibleAssetsGrossExcludingGoodwill"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_bcf3d9da-c168-484c-8bf5-c61f2492a184" xlink:to="loc_us-gaap_IntangibleAssetsGrossExcludingGoodwill_4e4ee3b9-f6e8-474b-becf-880d0fc6dc77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_aaa2e2f9-0ced-441c-9a3d-06fa074739b0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_bcf3d9da-c168-484c-8bf5-c61f2492a184" xlink:to="loc_us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill_aaa2e2f9-0ced-441c-9a3d-06fa074739b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_IntangibleAssetsAmountOfFairValueInExcessOfCarryingAmount_e1bd17d2-f79e-4b51-99d2-49e5179b2026" xlink:href="utx-20200930.xsd#utx_IntangibleAssetsAmountOfFairValueInExcessOfCarryingAmount"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_bcf3d9da-c168-484c-8bf5-c61f2492a184" xlink:to="loc_utx_IntangibleAssetsAmountOfFairValueInExcessOfCarryingAmount_e1bd17d2-f79e-4b51-99d2-49e5179b2026" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_IntangibleAssetsPercentageOfFairValueInExcessOfCarryingAmount_44542e58-d019-4a48-8a33-2c82b3e63b27" xlink:href="utx-20200930.xsd#utx_IntangibleAssetsPercentageOfFairValueInExcessOfCarryingAmount"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FiniteLivedIntangibleAssetsLineItems_bcf3d9da-c168-484c-8bf5-c61f2492a184" xlink:to="loc_utx_IntangibleAssetsPercentageOfFairValueInExcessOfCarryingAmount_44542e58-d019-4a48-8a33-2c82b3e63b27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsAmortizationExpenseDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsAmortizationExpenseDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AcquisitionsDispositionsGoodwillandOtherIntangibleAssetsAmortizationExpenseDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_a0ff4d6f-2b49-4872-8f25-5c122467a536" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AmortizationOfIntangibleAssets_8772a021-c3ce-48da-b70c-95457d7203ac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AmortizationOfIntangibleAssets"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_a0ff4d6f-2b49-4872-8f25-5c122467a536" xlink:to="loc_us-gaap_AmortizationOfIntangibleAssets_8772a021-c3ce-48da-b70c-95457d7203ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_62b0d285-153c-475e-ac0c-46c68cf87db6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_a0ff4d6f-2b49-4872-8f25-5c122467a536" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseRemainderOfFiscalYear_62b0d285-153c-475e-ac0c-46c68cf87db6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_840a2ae8-140b-477c-b8b0-b45dfe7e0997" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_a0ff4d6f-2b49-4872-8f25-5c122467a536" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseNextTwelveMonths_840a2ae8-140b-477c-b8b0-b45dfe7e0997" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7f8b3a63-8a88-410a-b83d-6befd833bdb0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_a0ff4d6f-2b49-4872-8f25-5c122467a536" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_7f8b3a63-8a88-410a-b83d-6befd833bdb0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_523aabef-d333-47fc-a470-f0a009646415" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_a0ff4d6f-2b49-4872-8f25-5c122467a536" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearThree_523aabef-d333-47fc-a470-f0a009646415" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_60bcf417-8f49-4545-b271-f68254e28529" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_a0ff4d6f-2b49-4872-8f25-5c122467a536" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_60bcf417-8f49-4545-b271-f68254e28529" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_f5342c69-d533-4a01-a944-740f857f8dc5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessCombinationRecognizedIdentifiableAssetsAcquiredGoodwillAndLiabilitiesAssumedNetAbstract_a0ff4d6f-2b49-4872-8f25-5c122467a536" xlink:to="loc_us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFive_f5342c69-d533-4a01-a944-740f857f8dc5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/DiscontinuedOperationsandDisposalGroups" xlink:type="simple" xlink:href="utx-20200930.xsd#DiscontinuedOperationsandDisposalGroups"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/DiscontinuedOperationsandDisposalGroups" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_e6a29f01-8c0e-4db3-82f3-659a6190eca8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_77d19e74-51d7-4aeb-b2e0-7b74e729fe2c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_e6a29f01-8c0e-4db3-82f3-659a6190eca8" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsDisclosureTextBlock_77d19e74-51d7-4aeb-b2e0-7b74e729fe2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/DiscontinuedOperationsandDisposalGroupsTables" xlink:type="simple" xlink:href="utx-20200930.xsd#DiscontinuedOperationsandDisposalGroupsTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/DiscontinuedOperationsandDisposalGroupsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_348712d5-a84b-4ab2-99cb-495f0536a14d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ScheduleOfIncomeLossFromDiscontinuedOperationsTableTextBlock_d4c42a7e-24f0-47ea-a01a-2e517ccf161f" xlink:href="utx-20200930.xsd#utx_ScheduleOfIncomeLossFromDiscontinuedOperationsTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_348712d5-a84b-4ab2-99cb-495f0536a14d" xlink:to="loc_utx_ScheduleOfIncomeLossFromDiscontinuedOperationsTableTextBlock_d4c42a7e-24f0-47ea-a01a-2e517ccf161f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ScheduleOfCashFlowsFromDiscontinuedOperationsTableTextBlock_8ba445e6-ae7a-4bad-9963-68b70774b234" xlink:href="utx-20200930.xsd#utx_ScheduleOfCashFlowsFromDiscontinuedOperationsTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_348712d5-a84b-4ab2-99cb-495f0536a14d" xlink:to="loc_utx_ScheduleOfCashFlowsFromDiscontinuedOperationsTableTextBlock_8ba445e6-ae7a-4bad-9963-68b70774b234" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_MajorComponentsOfAssetsAndLiabilitiesRelatedToDiscontinuedOperationsTableTextBlock_8c9a62a5-feba-40b0-9a86-731e373f8deb" xlink:href="utx-20200930.xsd#utx_MajorComponentsOfAssetsAndLiabilitiesRelatedToDiscontinuedOperationsTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_348712d5-a84b-4ab2-99cb-495f0536a14d" xlink:to="loc_utx_MajorComponentsOfAssetsAndLiabilitiesRelatedToDiscontinuedOperationsTableTextBlock_8c9a62a5-feba-40b0-9a86-731e373f8deb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/DiscontinuedOperationsandDisposalGroupsDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#DiscontinuedOperationsandDisposalGroupsDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/DiscontinuedOperationsandDisposalGroupsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_d2fd7d53-a813-48cf-a933-7317e49eaaf5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_9e9958c9-ac48-482c-8813-4b3d8e9d24b1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract_d2fd7d53-a813-48cf-a933-7317e49eaaf5" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_9e9958c9-ac48-482c-8813-4b3d8e9d24b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_953a46b8-20f7-4a7e-9b84-fb455642952b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_9e9958c9-ac48-482c-8813-4b3d8e9d24b1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_953a46b8-20f7-4a7e-9b84-fb455642952b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2c9c6e06-31e9-4373-acfa-90ac7e9dbc09" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsAxis_953a46b8-20f7-4a7e-9b84-fb455642952b" xlink:to="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2c9c6e06-31e9-4373-acfa-90ac7e9dbc09" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtisMember_3b49755e-2121-4a73-9d34-c1846e6e7efa" xlink:href="utx-20200930.xsd#utx_OtisMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2c9c6e06-31e9-4373-acfa-90ac7e9dbc09" xlink:to="loc_utx_OtisMember_3b49755e-2121-4a73-9d34-c1846e6e7efa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CarrierMember_a25bbe60-3547-4f96-834d-619d7ab7b855" xlink:href="utx-20200930.xsd#utx_CarrierMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2c9c6e06-31e9-4373-acfa-90ac7e9dbc09" xlink:to="loc_utx_CarrierMember_a25bbe60-3547-4f96-834d-619d7ab7b855" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_SeparationRelatedTransactionsMember_fa1e93bc-dbe5-4716-9007-58a49a6ecbcb" xlink:href="utx-20200930.xsd#utx_SeparationRelatedTransactionsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DisposalGroupsIncludingDiscontinuedOperationsNameDomain_2c9c6e06-31e9-4373-acfa-90ac7e9dbc09" xlink:to="loc_utx_SeparationRelatedTransactionsMember_fa1e93bc-dbe5-4716-9007-58a49a6ecbcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductOrServiceAxis_46422cd0-6686-4fae-9173-041e39ed98a9" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductOrServiceAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_9e9958c9-ac48-482c-8813-4b3d8e9d24b1" xlink:to="loc_srt_ProductOrServiceAxis_46422cd0-6686-4fae-9173-041e39ed98a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ProductsAndServicesDomain_1dcf448d-3312-4d3b-813c-eddc4567e03e" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ProductsAndServicesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductOrServiceAxis_46422cd0-6686-4fae-9173-041e39ed98a9" xlink:to="loc_srt_ProductsAndServicesDomain_1dcf448d-3312-4d3b-813c-eddc4567e03e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_b366d782-a871-46e5-b9f6-6f144c61c4b3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_1dcf448d-3312-4d3b-813c-eddc4567e03e" xlink:to="loc_us-gaap_ProductMember_b366d782-a871-46e5-b9f6-6f144c61c4b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_5e445276-a7b2-4ccc-bc77-cb91d5f1d443" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ServiceMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ProductsAndServicesDomain_1dcf448d-3312-4d3b-813c-eddc4567e03e" xlink:to="loc_us-gaap_ServiceMember_5e445276-a7b2-4ccc-bc77-cb91d5f1d443" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_b6ab4676-5c77-4ddf-bef5-e59110135294" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_9e9958c9-ac48-482c-8813-4b3d8e9d24b1" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_b6ab4676-5c77-4ddf-bef5-e59110135294" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_37d4dee6-e578-4205-9357-6a42c666b40a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_b6ab4676-5c77-4ddf-bef5-e59110135294" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_37d4dee6-e578-4205-9357-6a42c666b40a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ResearchAndDevelopmentExpenseMember_0f26492f-888a-48e0-a8b3-b71adaf87b4f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_37d4dee6-e578-4205-9357-6a42c666b40a" xlink:to="loc_us-gaap_ResearchAndDevelopmentExpenseMember_0f26492f-888a-48e0-a8b3-b71adaf87b4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NonoperatingIncomeExpenseMember_566f9f65-034b-49d8-a373-f59c9b96278a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NonoperatingIncomeExpenseMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_37d4dee6-e578-4205-9357-6a42c666b40a" xlink:to="loc_us-gaap_NonoperatingIncomeExpenseMember_566f9f65-034b-49d8-a373-f59c9b96278a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_IncomeFromDiscontinuedOperationsMember_26903bd2-a3b8-4aa5-8ca7-126c139aa7f9" xlink:href="utx-20200930.xsd#utx_IncomeFromDiscontinuedOperationsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_37d4dee6-e578-4205-9357-6a42c666b40a" xlink:to="loc_utx_IncomeFromDiscontinuedOperationsMember_26903bd2-a3b8-4aa5-8ca7-126c139aa7f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_IncomeTaxExpenseFromDiscontinuedOperationsMember_52eec64b-3cbb-47bc-b39b-897933268479" xlink:href="utx-20200930.xsd#utx_IncomeTaxExpenseFromDiscontinuedOperationsMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_37d4dee6-e578-4205-9357-6a42c666b40a" xlink:to="loc_utx_IncomeTaxExpenseFromDiscontinuedOperationsMember_52eec64b-3cbb-47bc-b39b-897933268479" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_IncomeFromContinuingOperationsMember_fc748e2a-5d6e-4de7-8113-6d9685f9c376" xlink:href="utx-20200930.xsd#utx_IncomeFromContinuingOperationsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_37d4dee6-e578-4205-9357-6a42c666b40a" xlink:to="loc_utx_IncomeFromContinuingOperationsMember_fc748e2a-5d6e-4de7-8113-6d9685f9c376" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_IncometaxexpenseDomain_513eb3d5-5fbb-4d47-9165-90b7eaf327f5" xlink:href="utx-20200930.xsd#utx_IncometaxexpenseDomain"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_37d4dee6-e578-4205-9357-6a42c666b40a" xlink:to="loc_utx_IncometaxexpenseDomain_513eb3d5-5fbb-4d47-9165-90b7eaf327f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsTable_9e9958c9-ac48-482c-8813-4b3d8e9d24b1" xlink:to="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Portfolioseparationcosts_ed097ef1-bcae-4f53-bf75-82da3bf90442" xlink:href="utx-20200930.xsd#utx_Portfolioseparationcosts"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_utx_Portfolioseparationcosts_ed097ef1-bcae-4f53-bf75-82da3bf90442" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_835d7acb-1aa0-4137-81d6-3214b341fc46" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_835d7acb-1aa0-4137-81d6-3214b341fc46" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_a0d736ab-1801-411f-8bec-2f2e55c7f9b5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue_a0d736ab-1801-411f-8bec-2f2e55c7f9b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_ab28d8ba-fa54-490f-9c1e-1754ac9aaec3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold_ab28d8ba-fa54-490f-9c1e-1754ac9aaec3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_a41494d3-c2b0-4e7c-a3be-bac6eca3bec6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOperatingExpense_a41494d3-c2b0-4e7c-a3be-bac6eca3bec6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_9f384ccd-b64e-4126-8be5-d3d5561e6ebb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGeneralAndAdministrativeExpense_9f384ccd-b64e-4126-8be5-d3d5561e6ebb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_495dd7d6-7dbd-4945-8b4b-09484fbeb46e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherIncome_495dd7d6-7dbd-4945-8b4b-09484fbeb46e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense_ef3befae-1d41-414d-bf2a-6e2eff0ac186" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherExpense_ef3befae-1d41-414d-bf2a-6e2eff0ac186" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_e336b4b9-b899-48af-9664-daae3e640260" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax_e336b4b9-b899-48af-9664-daae3e640260" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_f02c46e4-499a-4cb4-afec-bad07c6d2b02" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation_f02c46e4-499a-4cb4-afec-bad07c6d2b02" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_43ed1a95-74ec-4ae5-b9c6-786263f3ac43" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax_43ed1a95-74ec-4ae5-b9c6-786263f3ac43" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_02f8f22f-8d72-4bbd-9361-43d127f5eedf" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToNoncontrollingInterest_02f8f22f-8d72-4bbd-9361-43d127f5eedf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_5c18f499-edf7-43b6-9764-070ddb0ebff0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_CashProvidedByUsedInOperatingActivitiesDiscontinuedOperations_5c18f499-edf7-43b6-9764-070ddb0ebff0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_154a4b5b-1898-4f75-a223-4a47b97b2e38" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_CashProvidedByUsedInInvestingActivitiesDiscontinuedOperations_154a4b5b-1898-4f75-a223-4a47b97b2e38" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_514524c4-edeb-49a4-9a3f-2437d6fe2e3a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_CashProvidedByUsedInFinancingActivitiesDiscontinuedOperations_514524c4-edeb-49a4-9a3f-2437d6fe2e3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_846842ea-1c89-4eae-8c74-4b89703a6819" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationCashAndCashEquivalents_846842ea-1c89-4eae-8c74-4b89703a6819" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_53652ed6-1669-4d93-82bb-b132ec9edcd2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsNotesAndLoansReceivableNet_53652ed6-1669-4d93-82bb-b132ec9edcd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DisposalGroupIncludingDiscontinuedOperationContractAssets_1f9afeef-dd99-4212-bdd3-e0f95f982a26" xlink:href="utx-20200930.xsd#utx_DisposalGroupIncludingDiscontinuedOperationContractAssets"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_utx_DisposalGroupIncludingDiscontinuedOperationContractAssets_1f9afeef-dd99-4212-bdd3-e0f95f982a26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent_98e1e268-0035-4b5d-aa81-f1bf6b99afac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationInventoryCurrent_98e1e268-0035-4b5d-aa81-f1bf6b99afac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_d44976b9-28e5-4848-b8c8-753f5311dc68" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherCurrentAssets_d44976b9-28e5-4848-b8c8-753f5311dc68" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssets_1e69a0f5-43eb-4beb-8686-07d4bade4bb9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssets"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxAssets_1e69a0f5-43eb-4beb-8686-07d4bade4bb9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_9121ae95-0aee-4810-aff8-2c62e5083cb8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPropertyPlantAndEquipmentNoncurrent_9121ae95-0aee-4810-aff8-2c62e5083cb8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightOfUseAssets_d3256545-afcc-48a9-9e09-2207da98dcee" xlink:href="utx-20200930.xsd#utx_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightOfUseAssets"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_utx_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseRightOfUseAssets_d3256545-afcc-48a9-9e09-2207da98dcee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent_f6e51897-89d0-4347-a903-a8f8e1253041" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationGoodwillNoncurrent_f6e51897-89d0-4347-a903-a8f8e1253041" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent_248f923e-ee52-40ba-8d40-98fb39e8b0e2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationIntangibleAssetsNoncurrent_248f923e-ee52-40ba-8d40-98fb39e8b0e2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_21eec77c-a90f-4739-8860-50abda2654ef" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets"/>
    <link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentAssets_21eec77c-a90f-4739-8860-50abda2654ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_d07464cc-cff7-40b5-bcd2-bebd2c5b19f7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_AssetsOfDisposalGroupIncludingDiscontinuedOperation_d07464cc-cff7-40b5-bcd2-bebd2c5b19f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DisposalGroupIncludingDiscontinuedOperationShortTermBorrowings_fa2855d5-f50e-4d47-9feb-f26a16972da1" xlink:href="utx-20200930.xsd#utx_DisposalGroupIncludingDiscontinuedOperationShortTermBorrowings"/>
    <link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_utx_DisposalGroupIncludingDiscontinuedOperationShortTermBorrowings_fa2855d5-f50e-4d47-9feb-f26a16972da1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_a48192c4-9ecf-4b1d-994d-57a320a144ea" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent"/>
    <link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccountsPayableCurrent_a48192c4-9ecf-4b1d-994d-57a320a144ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_328ea7db-060b-4f55-970c-d42636a7d221" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent"/>
    <link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationAccruedLiabilitiesCurrent_328ea7db-060b-4f55-970c-d42636a7d221" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DisposalGroupIncludingDiscontinuedOperationContractLiabilitiesCurrent_9f1b3146-a25c-497c-ad78-a533e3d4561c" xlink:href="utx-20200930.xsd#utx_DisposalGroupIncludingDiscontinuedOperationContractLiabilitiesCurrent"/>
    <link:presentationArc order="31" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_utx_DisposalGroupIncludingDiscontinuedOperationContractLiabilitiesCurrent_9f1b3146-a25c-497c-ad78-a533e3d4561c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DisposalGroupIncludingDiscontinuedOperationLongTermDebtCurrentlyDue_0094ecb7-b542-4b5a-a256-d22710fa860b" xlink:href="utx-20200930.xsd#utx_DisposalGroupIncludingDiscontinuedOperationLongTermDebtCurrentlyDue"/>
    <link:presentationArc order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_utx_DisposalGroupIncludingDiscontinuedOperationLongTermDebtCurrentlyDue_0094ecb7-b542-4b5a-a256-d22710fa860b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_5d8cfd6d-da9f-436b-975f-2025b343d788" xlink:href="utx-20200930.xsd#utx_DisposalGroupIncludingDiscontinuedOperationLongTermDebt"/>
    <link:presentationArc order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_utx_DisposalGroupIncludingDiscontinuedOperationLongTermDebt_5d8cfd6d-da9f-436b-975f-2025b343d788" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPensionPlanBenefitObligationNoncurrent_8bb335de-3fb9-468a-9f01-12305f7b959c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationPensionPlanBenefitObligationNoncurrent"/>
    <link:presentationArc order="34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationPensionPlanBenefitObligationNoncurrent_8bb335de-3fb9-468a-9f01-12305f7b959c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities_a6440a34-f066-4175-bd5b-452460c8e24f" xlink:href="utx-20200930.xsd#utx_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities"/>
    <link:presentationArc order="35" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_utx_DisposalGroupIncludingDiscontinuedOperationOperatingLeaseLiabilities_a6440a34-f066-4175-bd5b-452460c8e24f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_194c98df-c873-475e-a4ec-8340d4e411f5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities"/>
    <link:presentationArc order="36" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationOtherNoncurrentLiabilities_194c98df-c873-475e-a4ec-8340d4e411f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_3e231bfb-1ee6-4759-a62e-2d779bf836ac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation"/>
    <link:presentationArc order="37" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_LiabilitiesOfDisposalGroupIncludingDiscontinuedOperation_3e231bfb-1ee6-4759-a62e-2d779bf836ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_cf8ab025-1b86-49fe-b5c1-96526a02703c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities"/>
    <link:presentationArc order="38" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementBalanceSheetAndAdditionalDisclosuresByDisposalGroupsIncludingDiscontinuedOperationsLineItems_9bc689eb-d802-4238-8f67-4e6043e57f45" xlink:to="loc_us-gaap_DisposalGroupIncludingDiscontinuedOperationDeferredTaxLiabilities_cf8ab025-1b86-49fe-b5c1-96526a02703c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/EarningsPerShare" xlink:type="simple" xlink:href="utx-20200930.xsd#EarningsPerShare"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/EarningsPerShare" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_e7813aec-256b-4efd-82f6-b5869c9543f9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareTextBlock_53361d27-be35-426a-8c4c-20473d73081e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_e7813aec-256b-4efd-82f6-b5869c9543f9" xlink:to="loc_us-gaap_EarningsPerShareTextBlock_53361d27-be35-426a-8c4c-20473d73081e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/EarningsPerShareTables" xlink:type="simple" xlink:href="utx-20200930.xsd#EarningsPerShareTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/EarningsPerShareTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_3b42b9b1-2639-435e-a613-4d0c77f5e385" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_79f1f1f3-ff34-42ec-84fe-5cb171cb1b39" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_3b42b9b1-2639-435e-a613-4d0c77f5e385" xlink:to="loc_us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_79f1f1f3-ff34-42ec-84fe-5cb171cb1b39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/EarningsPerShareDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#EarningsPerShareDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/EarningsPerShareDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareAbstract_6b81f4ff-1030-4f2b-9393-f8e8bd30c566" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLossAbstract_22c6d5f7-493e-4426-b2ba-f428b8a698e9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLossAbstract"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_6b81f4ff-1030-4f2b-9393-f8e8bd30c566" xlink:to="loc_us-gaap_NetIncomeLossAbstract_22c6d5f7-493e-4426-b2ba-f428b8a698e9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperations_49326438-5ff3-4ec9-8ccf-8565ffa12b71" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperations"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetIncomeLossAbstract_22c6d5f7-493e-4426-b2ba-f428b8a698e9" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperations_49326438-5ff3-4ec9-8ccf-8565ffa12b71" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_37d4145c-b2c7-40ba-bf5c-a661e80a2eb3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetIncomeLossAbstract_22c6d5f7-493e-4426-b2ba-f428b8a698e9" xlink:to="loc_us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity_37d4145c-b2c7-40ba-bf5c-a661e80a2eb3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetIncomeLoss_760f312b-49d0-480a-bc7a-00b37bd4244f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetIncomeLoss"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_NetIncomeLossAbstract_22c6d5f7-493e-4426-b2ba-f428b8a698e9" xlink:to="loc_us-gaap_NetIncomeLoss_760f312b-49d0-480a-bc7a-00b37bd4244f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_6d3fa74f-0db5-4616-a1e8-39b63ba6be2a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_6b81f4ff-1030-4f2b-9393-f8e8bd30c566" xlink:to="loc_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_6d3fa74f-0db5-4616-a1e8-39b63ba6be2a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_77e111b2-9ae0-4430-baba-7e1dae61939a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_6b81f4ff-1030-4f2b-9393-f8e8bd30c566" xlink:to="loc_us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_77e111b2-9ae0-4430-baba-7e1dae61939a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_4549c295-7ec6-4207-89a0-3c4abe1f42d7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_6b81f4ff-1030-4f2b-9393-f8e8bd30c566" xlink:to="loc_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_4549c295-7ec6-4207-89a0-3c4abe1f42d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasicAbstract_14d4f888-2098-4c7a-9ec2-f3c19f12f844" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasicAbstract"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_6b81f4ff-1030-4f2b-9393-f8e8bd30c566" xlink:to="loc_us-gaap_EarningsPerShareBasicAbstract_14d4f888-2098-4c7a-9ec2-f3c19f12f844" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_8ca752dc-4b33-49b2-aae8-c9e36c8b49ee" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_14d4f888-2098-4c7a-9ec2-f3c19f12f844" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerBasicShare_8ca752dc-4b33-49b2-aae8-c9e36c8b49ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_b4a00c86-bbbb-45bd-9f2a-5460b5d68f52" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_14d4f888-2098-4c7a-9ec2-f3c19f12f844" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerBasicShare_b4a00c86-bbbb-45bd-9f2a-5460b5d68f52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareBasic_8d4de457-f54c-452b-82e8-75ec43474ab2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareBasic"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareBasicAbstract_14d4f888-2098-4c7a-9ec2-f3c19f12f844" xlink:to="loc_us-gaap_EarningsPerShareBasic_8d4de457-f54c-452b-82e8-75ec43474ab2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDilutedAbstract_796db74c-4e25-4349-b70f-9e6427fbc960" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_6b81f4ff-1030-4f2b-9393-f8e8bd30c566" xlink:to="loc_us-gaap_EarningsPerShareDilutedAbstract_796db74c-4e25-4349-b70f-9e6427fbc960" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_0980ddb5-be40-4ee2-8721-a9be5209eeaa" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_796db74c-4e25-4349-b70f-9e6427fbc960" xlink:to="loc_us-gaap_IncomeLossFromContinuingOperationsPerDilutedShare_0980ddb5-be40-4ee2-8721-a9be5209eeaa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_d29d0b9e-b239-419a-a39c-10bf2d923942" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_796db74c-4e25-4349-b70f-9e6427fbc960" xlink:to="loc_us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationNetOfTaxPerDilutedShare_d29d0b9e-b239-419a-a39c-10bf2d923942" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EarningsPerShareDiluted_d5598787-59c1-4512-8011-76a555d157b0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EarningsPerShareDiluted"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareDilutedAbstract_796db74c-4e25-4349-b70f-9e6427fbc960" xlink:to="loc_us-gaap_EarningsPerShareDiluted_d5598787-59c1-4512-8011-76a555d157b0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_77f88a80-7278-4cd9-a501-20669e1608e3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EarningsPerShareAbstract_6b81f4ff-1030-4f2b-9393-f8e8bd30c566" xlink:to="loc_us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_77f88a80-7278-4cd9-a501-20669e1608e3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/ReceivablesLoansNotesReceivableandOthers" xlink:type="simple" xlink:href="utx-20200930.xsd#ReceivablesLoansNotesReceivableandOthers"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/ReceivablesLoansNotesReceivableandOthers" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesAbstract_6fc8ab47-64b9-4300-aa3f-06e367806702" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_99cc7ba5-8581-4523-829c-2ac03104910f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_6fc8ab47-64b9-4300-aa3f-06e367806702" xlink:to="loc_us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_99cc7ba5-8581-4523-829c-2ac03104910f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/ReceivablesLoansNotesReceivableandOthersTables" xlink:type="simple" xlink:href="utx-20200930.xsd#ReceivablesLoansNotesReceivableandOthersTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/ReceivablesLoansNotesReceivableandOthersTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesAbstract_5a0e65f0-87e1-4026-a4dc-c2edf00946bd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_f8e84aef-51a0-48ef-889c-55ab9ee653d4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_5a0e65f0-87e1-4026-a4dc-c2edf00946bd" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTextBlock_f8e84aef-51a0-48ef-889c-55ab9ee653d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_cd6e9ce5-533b-4dc1-b37c-1d0309416bbf" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_5a0e65f0-87e1-4026-a4dc-c2edf00946bd" xlink:to="loc_us-gaap_AccountsReceivableAllowanceForCreditLossTableTextBlock_cd6e9ce5-533b-4dc1-b37c-1d0309416bbf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccountsReceivableNetScheduleofReceivablesNetDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#AccountsReceivableNetScheduleofReceivablesNetDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccountsReceivableNetScheduleofReceivablesNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesAbstract_b686d2a3-42f8-49a0-8866-ee40b0749290" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableGross_b4219c54-935f-4e04-99dd-aef68d2c6f56" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableGross"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_b686d2a3-42f8-49a0-8866-ee40b0749290" xlink:to="loc_us-gaap_AccountsReceivableGross_b4219c54-935f-4e04-99dd-aef68d2c6f56" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_095d548f-351a-40d0-b7db-2a83e80a64a4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_b686d2a3-42f8-49a0-8866-ee40b0749290" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_095d548f-351a-40d0-b7db-2a83e80a64a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsReceivableNet_0087fe4e-0011-481a-8983-e2708b8a7ccd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsReceivableNet"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_b686d2a3-42f8-49a0-8866-ee40b0749290" xlink:to="loc_us-gaap_AccountsReceivableNet_0087fe4e-0011-481a-8983-e2708b8a7ccd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccountsReceivableNetAllowanceforCreditLossDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#AccountsReceivableNetAllowanceforCreditLossDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccountsReceivableNetAllowanceforCreditLossDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesAbstract_cc8206bd-fb37-466f-bced-d1fef9e8e1e3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_c4664a27-e22e-4026-a361-592b358f5db1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_cc8206bd-fb37-466f-bced-d1fef9e8e1e3" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_c4664a27-e22e-4026-a361-592b358f5db1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_7129930e-049d-4b5b-8b82-da994dd226bd" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementScenarioAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_c4664a27-e22e-4026-a361-592b358f5db1" xlink:to="loc_srt_StatementScenarioAxis_7129930e-049d-4b5b-8b82-da994dd226bd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_d1f39207-f66e-4017-b7c5-50b69053b978" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementScenarioAxis_7129930e-049d-4b5b-8b82-da994dd226bd" xlink:to="loc_srt_ScenarioUnspecifiedDomain_d1f39207-f66e-4017-b7c5-50b69053b978" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_COVID19Member_07cf074d-7f02-453c-9516-77d6427b6cab" xlink:href="utx-20200930.xsd#utx_COVID19Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ScenarioUnspecifiedDomain_d1f39207-f66e-4017-b7c5-50b69053b978" xlink:to="loc_utx_COVID19Member_07cf074d-7f02-453c-9516-77d6427b6cab" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_72e1409e-0f09-46b6-bbdb-ba5f32b06da6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AdjustmentsForNewAccountingPronouncementsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_c4664a27-e22e-4026-a361-592b358f5db1" xlink:to="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_72e1409e-0f09-46b6-bbdb-ba5f32b06da6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfAdoptionMember_4f83eb6c-44fb-4e8c-a3ae-d2a8466bb49f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfAdoptionMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_72e1409e-0f09-46b6-bbdb-ba5f32b06da6" xlink:to="loc_us-gaap_TypeOfAdoptionMember_4f83eb6c-44fb-4e8c-a3ae-d2a8466bb49f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountingStandardsUpdate201613Member_f277cc6b-38c0-4f15-bd16-b08f4c0d1346" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountingStandardsUpdate201613Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfAdoptionMember_4f83eb6c-44fb-4e8c-a3ae-d2a8466bb49f" xlink:to="loc_us-gaap_AccountingStandardsUpdate201613Member_f277cc6b-38c0-4f15-bd16-b08f4c0d1346" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_d41ef0d5-cd74-4730-96e6-91fd1276443a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_c4664a27-e22e-4026-a361-592b358f5db1" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_d41ef0d5-cd74-4730-96e6-91fd1276443a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_2ac76427-4ac5-4392-8afb-0c8182f02e42" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_d41ef0d5-cd74-4730-96e6-91fd1276443a" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_2ac76427-4ac5-4392-8afb-0c8182f02e42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProvisionForDoubtfulAccounts_f8819770-a2b5-4f6d-990c-135986d60715" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_d41ef0d5-cd74-4730-96e6-91fd1276443a" xlink:to="loc_us-gaap_ProvisionForDoubtfulAccounts_f8819770-a2b5-4f6d-990c-135986d60715" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4d001443-7a58-42f7-b057-6e54ba0b9059" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_d41ef0d5-cd74-4730-96e6-91fd1276443a" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivableWriteOffs_4d001443-7a58-42f7-b057-6e54ba0b9059" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_eb14f43b-a912-425c-8ff9-34fa16ad6471" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_d41ef0d5-cd74-4730-96e6-91fd1276443a" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivablePeriodIncreaseDecrease_eb14f43b-a912-425c-8ff9-34fa16ad6471" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_52d35b51-4d4a-48e0-b416-65b2b847810c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllowanceForDoubtfulAccountsReceivable"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_d41ef0d5-cd74-4730-96e6-91fd1276443a" xlink:to="loc_us-gaap_AllowanceForDoubtfulAccountsReceivable_52d35b51-4d4a-48e0-b416-65b2b847810c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccountsReceivableNetDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#AccountsReceivableNetDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccountsReceivableNetDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivablesAbstract_e9991325-9864-4e36-9d9e-a0fc958022a5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivablesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_c1d940a2-283a-4d5f-80f0-e6aaaea61a26" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivablesAbstract_e9991325-9864-4e36-9d9e-a0fc958022a5" xlink:to="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_c1d940a2-283a-4d5f-80f0-e6aaaea61a26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_7fa931e8-7b3a-4888-84fc-93776f25e07e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_c1d940a2-283a-4d5f-80f0-e6aaaea61a26" xlink:to="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_7fa931e8-7b3a-4888-84fc-93776f25e07e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReceivableTypeDomain_736b0d82-ea4e-4105-a9db-71ced283330b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReceivableTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesLoansAndFinancingReceivableByReceivableTypeAxis_7fa931e8-7b3a-4888-84fc-93776f25e07e" xlink:to="loc_us-gaap_ReceivableTypeDomain_736b0d82-ea4e-4105-a9db-71ced283330b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_FactoredReceivablesMember_4be14d3a-e62e-4625-92f0-8aeeb794a1c0" xlink:href="utx-20200930.xsd#utx_FactoredReceivablesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReceivableTypeDomain_736b0d82-ea4e-4105-a9db-71ced283330b" xlink:to="loc_utx_FactoredReceivablesMember_4be14d3a-e62e-4625-92f0-8aeeb794a1c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_c8c1903f-1d81-4909-8d71-af2dfb80bfeb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccountsNotesAndLoansReceivableLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_c1d940a2-283a-4d5f-80f0-e6aaaea61a26" xlink:to="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_c8c1903f-1d81-4909-8d71-af2dfb80bfeb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_FactoredReceivables_44263eda-3b51-4925-9f3f-626de4155957" xlink:href="utx-20200930.xsd#utx_FactoredReceivables"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_c8c1903f-1d81-4909-8d71-af2dfb80bfeb" xlink:to="loc_utx_FactoredReceivables_44263eda-3b51-4925-9f3f-626de4155957" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestrictedCash_25a9a430-b20a-4782-b75e-95bd4359402c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestrictedCash"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_c8c1903f-1d81-4909-8d71-af2dfb80bfeb" xlink:to="loc_us-gaap_RestrictedCash_25a9a430-b20a-4782-b75e-95bd4359402c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_191bd7c6-498f-4ba3-bd12-105c4f301e9e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedLiabilitiesCurrentAndNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccountsNotesAndLoansReceivableLineItems_c8c1903f-1d81-4909-8d71-af2dfb80bfeb" xlink:to="loc_us-gaap_AccruedLiabilitiesCurrentAndNoncurrent_191bd7c6-498f-4ba3-bd12-105c4f301e9e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/ContractAssetsandLiabilitiesNotes" xlink:type="simple" xlink:href="utx-20200930.xsd#ContractAssetsandLiabilitiesNotes"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/ContractAssetsandLiabilitiesNotes" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_13e1c904-6be2-4f24-8896-9df7d1d149ed" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_23d67781-9796-42fa-8279-a16e74385fbc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_13e1c904-6be2-4f24-8896-9df7d1d149ed" xlink:to="loc_us-gaap_RevenueFromContractWithCustomerTextBlock_23d67781-9796-42fa-8279-a16e74385fbc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/RevenueRecognitionContractAssetLiabilityTables" xlink:type="simple" xlink:href="utx-20200930.xsd#RevenueRecognitionContractAssetLiabilityTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/RevenueRecognitionContractAssetLiabilityTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_utx_ContractAssetandLiabilityAbstract_30a7716c-0aa9-4a17-ae87-951c86faf531" xlink:href="utx-20200930.xsd#utx_ContractAssetandLiabilityAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_e732658b-ecd8-4697-b13d-f8b4ec1b2277" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ContractAssetandLiabilityAbstract_30a7716c-0aa9-4a17-ae87-951c86faf531" xlink:to="loc_us-gaap_ContractWithCustomerAssetAndLiabilityTableTextBlock_e732658b-ecd8-4697-b13d-f8b4ec1b2277" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/ContractAssetandLiabilityDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#ContractAssetandLiabilityDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/ContractAssetandLiabilityDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevenueFromContractWithCustomerAbstract_067b919e-10df-4b92-9cfc-6a585fbef3d1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevenueFromContractWithCustomerAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ContractAssetAndLiabilityTable_9625c2d2-559f-48a5-9536-ded2c6abc59a" xlink:href="utx-20200930.xsd#utx_ContractAssetAndLiabilityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RevenueFromContractWithCustomerAbstract_067b919e-10df-4b92-9cfc-6a585fbef3d1" xlink:to="loc_utx_ContractAssetAndLiabilityTable_9625c2d2-559f-48a5-9536-ded2c6abc59a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_4a5e0d09-a3d7-4089-b1f5-7c23f6157fa8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ContractAssetAndLiabilityTable_9625c2d2-559f-48a5-9536-ded2c6abc59a" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_4a5e0d09-a3d7-4089-b1f5-7c23f6157fa8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_ea5cbddc-f54e-486a-afee-379eff4a2b10" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_4a5e0d09-a3d7-4089-b1f5-7c23f6157fa8" xlink:to="loc_us-gaap_SegmentDomain_ea5cbddc-f54e-486a-afee-379eff4a2b10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrattAndWhitneyMember_d48969de-f160-4e4e-bcbd-47a8d9aa2f8d" xlink:href="utx-20200930.xsd#utx_PrattAndWhitneyMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_ea5cbddc-f54e-486a-afee-379eff4a2b10" xlink:to="loc_utx_PrattAndWhitneyMember_d48969de-f160-4e4e-bcbd-47a8d9aa2f8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtisMember_4f477a74-b07c-46a1-929f-4941e2eb354b" xlink:href="utx-20200930.xsd#utx_OtisMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_ea5cbddc-f54e-486a-afee-379eff4a2b10" xlink:to="loc_utx_OtisMember_4f477a74-b07c-46a1-929f-4941e2eb354b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_f72efb2f-c820-47a5-bc5b-088e71d77eb2" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementScenarioAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ContractAssetAndLiabilityTable_9625c2d2-559f-48a5-9536-ded2c6abc59a" xlink:to="loc_srt_StatementScenarioAxis_f72efb2f-c820-47a5-bc5b-088e71d77eb2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_59ccd16e-a6dd-4b85-8a92-aacdd53dd08b" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementScenarioAxis_f72efb2f-c820-47a5-bc5b-088e71d77eb2" xlink:to="loc_srt_ScenarioUnspecifiedDomain_59ccd16e-a6dd-4b85-8a92-aacdd53dd08b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_COVID19Member_2c2423f9-184e-47a8-9510-1c7109bbb0a7" xlink:href="utx-20200930.xsd#utx_COVID19Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ScenarioUnspecifiedDomain_59ccd16e-a6dd-4b85-8a92-aacdd53dd08b" xlink:to="loc_utx_COVID19Member_2c2423f9-184e-47a8-9510-1c7109bbb0a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAxis_8eef6da6-0891-40fa-a521-3afb59e586aa" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ContractAssetAndLiabilityTable_9625c2d2-559f-48a5-9536-ded2c6abc59a" xlink:to="loc_us-gaap_BusinessAcquisitionAxis_8eef6da6-0891-40fa-a521-3afb59e586aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BusinessAcquisitionAcquireeDomain_fe884099-a6ad-4032-8418-85461fbd314d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BusinessAcquisitionAcquireeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAxis_8eef6da6-0891-40fa-a521-3afb59e586aa" xlink:to="loc_us-gaap_BusinessAcquisitionAcquireeDomain_fe884099-a6ad-4032-8418-85461fbd314d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonCompanyMember_fc515811-d615-4089-9136-ac575ba97765" xlink:href="utx-20200930.xsd#utx_RaytheonCompanyMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BusinessAcquisitionAcquireeDomain_fe884099-a6ad-4032-8418-85461fbd314d" xlink:to="loc_utx_RaytheonCompanyMember_fc515811-d615-4089-9136-ac575ba97765" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:href="utx-20200930.xsd#utx_RevenueFromContractWithCustomerLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ContractAssetAndLiabilityTable_9625c2d2-559f-48a5-9536-ded2c6abc59a" xlink:to="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetNetCurrent_5865e2dd-849d-43e1-8376-21ff6ac53ad7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerAssetNetCurrent"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_us-gaap_ContractWithCustomerAssetNetCurrent_5865e2dd-849d-43e1-8376-21ff6ac53ad7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityCurrent_eabd3bcd-6d29-417f-8f79-6d8e91b3f40e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerLiabilityCurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityCurrent_eabd3bcd-6d29-417f-8f79-6d8e91b3f40e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_c0102f98-6fc7-43fd-b1c3-4f6fa3cf6df2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerLiabilityNoncurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityNoncurrent_c0102f98-6fc7-43fd-b1c3-4f6fa3cf6df2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ContractsWithCustomerAssetAndLiabilitiesNet_430e0d73-7ce1-4317-9d66-62a2ad19e5d9" xlink:href="utx-20200930.xsd#utx_ContractsWithCustomerAssetAndLiabilitiesNet"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_utx_ContractsWithCustomerAssetAndLiabilitiesNet_430e0d73-7ce1-4317-9d66-62a2ad19e5d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ContractwithCustomerAssetChange_efbb7b9a-3f45-4c48-aae3-0d2c1d925960" xlink:href="utx-20200930.xsd#utx_ContractwithCustomerAssetChange"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_utx_ContractwithCustomerAssetChange_efbb7b9a-3f45-4c48-aae3-0d2c1d925960" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ContractwithCustomerLiabilityChange_12984402-7955-4e3f-95a8-5407a76b1b6f" xlink:href="utx-20200930.xsd#utx_ContractwithCustomerLiabilityChange"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_utx_ContractwithCustomerLiabilityChange_12984402-7955-4e3f-95a8-5407a76b1b6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_d2fac41f-2688-4518-9ed6-644cd9b291bf" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_us-gaap_ContractWithCustomerLiabilityRevenueRecognized_d2fac41f-2688-4518-9ed6-644cd9b291bf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss_3bcced2d-b98d-456d-aa34-d019afedc816" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_us-gaap_ContractWithCustomerAssetAccumulatedAllowanceForCreditLoss_3bcced2d-b98d-456d-aa34-d019afedc816" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_TotalContractValueRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval_6343d189-862d-4ab3-8536-5e857204db2b" xlink:href="utx-20200930.xsd#utx_TotalContractValueRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_utx_TotalContractValueRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval_6343d189-862d-4ab3-8536-5e857204db2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_SalesRecognizedForWorkPerformedToDateRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval_b9825fe2-cd28-42e9-b602-be7270ef7fcf" xlink:href="utx-20200930.xsd#utx_SalesRecognizedForWorkPerformedToDateRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_utx_SalesRecognizedForWorkPerformedToDateRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval_b9825fe2-cd28-42e9-b602-be7270ef7fcf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_AdvancesReceivedToDateOnContractsRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval_28972335-582f-4a04-a31a-5f9d56f4d267" xlink:href="utx-20200930.xsd#utx_AdvancesReceivedToDateOnContractsRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_utx_AdvancesReceivedToDateOnContractsRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval_28972335-582f-4a04-a31a-5f9d56f4d267" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_NetContractAssetsRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval_ec40cc2f-7135-4d10-be95-5aa169fb99c6" xlink:href="utx-20200930.xsd#utx_NetContractAssetsRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_utx_NetContractAssetsRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval_ec40cc2f-7135-4d10-be95-5aa169fb99c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_NetContractLiabilitiesRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval_a80cbd02-7d39-48b1-8acc-a3d6699d88a9" xlink:href="utx-20200930.xsd#utx_NetContractLiabilitiesRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_utx_NetContractLiabilitiesRelatedToPrecisionGuidedMunitionsToCertainMiddleEasternCustomersPendingUSGovernmentApproval_a80cbd02-7d39-48b1-8acc-a3d6699d88a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetAllowanceForCreditLossWriteoff_18133225-e7c1-4c32-817d-e40a07acb642" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerAssetAllowanceForCreditLossWriteoff"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_us-gaap_ContractWithCustomerAssetAllowanceForCreditLossWriteoff_18133225-e7c1-4c32-817d-e40a07acb642" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerAssetCreditLossExpense_df75076f-a390-4da4-99df-006f94b61ff7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerAssetCreditLossExpense"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_us-gaap_ContractWithCustomerAssetCreditLossExpense_df75076f-a390-4da4-99df-006f94b61ff7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_UnfavorableEACAdjustmentRelatedToTheRestructuringOfACustomerContract_28c5fa20-f1ca-432e-b4bf-0ca0117c472e" xlink:href="utx-20200930.xsd#utx_UnfavorableEACAdjustmentRelatedToTheRestructuringOfACustomerContract"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RevenueFromContractWithCustomerLineItems_77380125-db7f-4458-8c0f-311dbe996cac" xlink:to="loc_utx_UnfavorableEACAdjustmentRelatedToTheRestructuringOfACustomerContract_28c5fa20-f1ca-432e-b4bf-0ca0117c472e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/Inventory" xlink:type="simple" xlink:href="utx-20200930.xsd#Inventory"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/Inventory" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_025d208b-314a-4abc-aefd-a6c31af33a84" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureTextBlock_ea3ea69e-8e29-4e58-af4e-6391a7d4e1de" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_025d208b-314a-4abc-aefd-a6c31af33a84" xlink:to="loc_us-gaap_InventoryDisclosureTextBlock_ea3ea69e-8e29-4e58-af4e-6391a7d4e1de" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/InventoryTables" xlink:type="simple" xlink:href="utx-20200930.xsd#InventoryTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/InventoryTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_def81968-4ffc-404e-83e7-d32c6f0c7f59" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_36f0c505-c041-4f41-ab55-19c8f4ef3834" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_def81968-4ffc-404e-83e7-d32c6f0c7f59" xlink:to="loc_us-gaap_ScheduleOfInventoryCurrentTableTextBlock_36f0c505-c041-4f41-ab55-19c8f4ef3834" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/InventoryDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#InventoryDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/InventoryDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryDisclosureAbstract_e6d72a21-dd06-475d-a53e-243043e45e27" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryRawMaterialsNetOfReserves_23e187c7-7608-4006-9be8-3dc477ce06bc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryRawMaterialsNetOfReserves"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_e6d72a21-dd06-475d-a53e-243043e45e27" xlink:to="loc_us-gaap_InventoryRawMaterialsNetOfReserves_23e187c7-7608-4006-9be8-3dc477ce06bc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryWorkInProcessNetOfReserves_b73bf406-adea-4704-844e-8ed88658138e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_e6d72a21-dd06-475d-a53e-243043e45e27" xlink:to="loc_us-gaap_InventoryWorkInProcessNetOfReserves_b73bf406-adea-4704-844e-8ed88658138e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_09488ad8-8f7c-4acb-b030-b976e1d19bc9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_e6d72a21-dd06-475d-a53e-243043e45e27" xlink:to="loc_us-gaap_InventoryFinishedGoodsNetOfReserves_09488ad8-8f7c-4acb-b030-b976e1d19bc9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryNet_a2a6c9d7-90a9-489e-8bf2-43ef671dc0c8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryNet"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_e6d72a21-dd06-475d-a53e-243043e45e27" xlink:to="loc_us-gaap_InventoryNet_a2a6c9d7-90a9-489e-8bf2-43ef671dc0c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InventoryValuationReserves_def2792b-748e-4d3b-95bd-af9b4c48ffcb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InventoryValuationReserves"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_InventoryDisclosureAbstract_e6d72a21-dd06-475d-a53e-243043e45e27" xlink:to="loc_us-gaap_InventoryValuationReserves_def2792b-748e-4d3b-95bd-af9b4c48ffcb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/BorrowingsandLinesofCredit" xlink:type="simple" xlink:href="utx-20200930.xsd#BorrowingsandLinesofCredit"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/BorrowingsandLinesofCredit" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_f2a40038-b5d3-48e5-9836-bfcea9422adc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureTextBlock_ec0aca83-5b9f-49af-bb79-a55bf5ccd5f9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_f2a40038-b5d3-48e5-9836-bfcea9422adc" xlink:to="loc_us-gaap_DebtDisclosureTextBlock_ec0aca83-5b9f-49af-bb79-a55bf5ccd5f9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/BorrowingsandLinesofCreditTables" xlink:type="simple" xlink:href="utx-20200930.xsd#BorrowingsandLinesofCreditTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/BorrowingsandLinesofCreditTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_e73cf0a9-a98b-4d91-aac5-dc7e43b68649" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTextBlock_fdae3664-5c42-4d54-81a3-b6538429938e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShortTermDebtTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_e73cf0a9-a98b-4d91-aac5-dc7e43b68649" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTextBlock_fdae3664-5c42-4d54-81a3-b6538429938e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ScheduleOfLongTermDebtIssuancesTableTextBlock_ccdc8713-dec4-4a0a-9cb2-b9d8e73e7c99" xlink:href="utx-20200930.xsd#utx_ScheduleOfLongTermDebtIssuancesTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_e73cf0a9-a98b-4d91-aac5-dc7e43b68649" xlink:to="loc_utx_ScheduleOfLongTermDebtIssuancesTableTextBlock_ccdc8713-dec4-4a0a-9cb2-b9d8e73e7c99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ScheduleOfLongTermDebtRepaymentsTableTextBlock_e554e2d4-437b-460c-919f-edcff44de380" xlink:href="utx-20200930.xsd#utx_ScheduleOfLongTermDebtRepaymentsTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_e73cf0a9-a98b-4d91-aac5-dc7e43b68649" xlink:to="loc_utx_ScheduleOfLongTermDebtRepaymentsTableTextBlock_e554e2d4-437b-460c-919f-edcff44de380" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_cf62b784-53b6-489c-97c9-e5247d809d23" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDebtInstrumentsTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_e73cf0a9-a98b-4d91-aac5-dc7e43b68649" xlink:to="loc_us-gaap_ScheduleOfDebtInstrumentsTextBlock_cf62b784-53b6-489c-97c9-e5247d809d23" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ScheduleofWeightedaverageinterestratesTableTextBlock_4022ed13-07ec-4eb0-8c58-9d787b905fd9" xlink:href="utx-20200930.xsd#utx_ScheduleofWeightedaverageinterestratesTableTextBlock"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_e73cf0a9-a98b-4d91-aac5-dc7e43b68649" xlink:to="loc_utx_ScheduleofWeightedaverageinterestratesTableTextBlock_4022ed13-07ec-4eb0-8c58-9d787b905fd9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/BorrowingsandLinesofCreditShortTermBorrowingsDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#BorrowingsandLinesofCreditShortTermBorrowingsDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/BorrowingsandLinesofCreditShortTermBorrowingsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_17e7566a-3554-4893-9ab1-d8301f3815a7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfShortTermDebtTable_b99f9094-06ff-4574-bf6e-2d958e349b89" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfShortTermDebtTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_17e7566a-3554-4893-9ab1-d8301f3815a7" xlink:to="loc_us-gaap_ScheduleOfShortTermDebtTable_b99f9094-06ff-4574-bf6e-2d958e349b89" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_b0969daa-8f44-45a1-9bfb-aca2f83a59a7" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementScenarioAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_b99f9094-06ff-4574-bf6e-2d958e349b89" xlink:to="loc_srt_StatementScenarioAxis_b0969daa-8f44-45a1-9bfb-aca2f83a59a7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_aa205bd9-bfd1-4aeb-87b1-4eb0787b765f" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementScenarioAxis_b0969daa-8f44-45a1-9bfb-aca2f83a59a7" xlink:to="loc_srt_ScenarioUnspecifiedDomain_aa205bd9-bfd1-4aeb-87b1-4eb0787b765f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermDebtLineItems_2cf4f1ff-a397-4481-83bb-29d1b51991d5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortTermDebtLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfShortTermDebtTable_b99f9094-06ff-4574-bf6e-2d958e349b89" xlink:to="loc_us-gaap_ShortTermDebtLineItems_2cf4f1ff-a397-4481-83bb-29d1b51991d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommercialPaper_69460d11-66c4-4355-9920-69911b9c8b87" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommercialPaper"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_2cf4f1ff-a397-4481-83bb-29d1b51991d5" xlink:to="loc_us-gaap_CommercialPaper_69460d11-66c4-4355-9920-69911b9c8b87" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherShortTermBorrowings_8f08a0dc-5374-4a63-9c3b-901bb57534c7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherShortTermBorrowings"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_2cf4f1ff-a397-4481-83bb-29d1b51991d5" xlink:to="loc_us-gaap_OtherShortTermBorrowings_8f08a0dc-5374-4a63-9c3b-901bb57534c7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_89348ddb-5720-4137-af67-818b2e061db5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortTermBorrowings"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ShortTermDebtLineItems_2cf4f1ff-a397-4481-83bb-29d1b51991d5" xlink:to="loc_us-gaap_ShortTermBorrowings_89348ddb-5720-4137-af67-818b2e061db5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/BorrowingandLinesofCreditNarrativeDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#BorrowingandLinesofCreditNarrativeDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/BorrowingandLinesofCreditNarrativeDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_b2394c06-e991-494e-beae-a9fc3759fe7e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityTable_4a7d1775-1683-4989-9080-bcf734d1a1fc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_b2394c06-e991-494e-beae-a9fc3759fe7e" xlink:to="loc_us-gaap_LineOfCreditFacilityTable_4a7d1775-1683-4989-9080-bcf734d1a1fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityAxis_6983103b-e797-4929-b2e9-b54f893cae54" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_4a7d1775-1683-4989-9080-bcf734d1a1fc" xlink:to="loc_us-gaap_CreditFacilityAxis_6983103b-e797-4929-b2e9-b54f893cae54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CreditFacilityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityAxis_6983103b-e797-4929-b2e9-b54f893cae54" xlink:to="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RevolvingCreditAgreementMember_bf3d8052-d8dd-46af-a088-a3580a0886fe" xlink:href="utx-20200930.xsd#utx_RevolvingCreditAgreementMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_utx_RevolvingCreditAgreementMember_bf3d8052-d8dd-46af-a088-a3580a0886fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_A20BRevolvingCreditAgreementMember_3009cf98-db63-44f2-a13b-158954079793" xlink:href="utx-20200930.xsd#utx_A20BRevolvingCreditAgreementMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_utx_A20BRevolvingCreditAgreementMember_3009cf98-db63-44f2-a13b-158954079793" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BorrowingsMember_6a19742d-fbb5-4ee8-9ab7-77bd90a3b8ff" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BorrowingsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_us-gaap_BorrowingsMember_6a19742d-fbb5-4ee8-9ab7-77bd90a3b8ff" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RevolvingCreditFacilityMember_338450c8-100a-44e9-8cd7-42f6d9a9c634" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RevolvingCreditFacilityMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_us-gaap_RevolvingCreditFacilityMember_338450c8-100a-44e9-8cd7-42f6d9a9c634" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditMember_fc690ad6-5f0c-4cc5-9419-acc565c242d2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_us-gaap_LineOfCreditMember_fc690ad6-5f0c-4cc5-9419-acc565c242d2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_MultiCurrencyRevolvingCreditAgreementMember_b915803f-4d18-41ca-9491-3320524a8a4f" xlink:href="utx-20200930.xsd#utx_MultiCurrencyRevolvingCreditAgreementMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_utx_MultiCurrencyRevolvingCreditAgreementMember_b915803f-4d18-41ca-9491-3320524a8a4f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_March202020500MTermLoanCreditAgreementMember_0898c53b-4fba-4b41-961a-e28825b8fd32" xlink:href="utx-20200930.xsd#utx_March202020500MTermLoanCreditAgreementMember"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_utx_March202020500MTermLoanCreditAgreementMember_0898c53b-4fba-4b41-961a-e28825b8fd32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_March232020500MTermCreditAgreementMember_bfef832d-e855-4e95-9744-d1df18190259" xlink:href="utx-20200930.xsd#utx_March232020500MTermCreditAgreementMember"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_utx_March232020500MTermCreditAgreementMember_bfef832d-e855-4e95-9744-d1df18190259" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_A10BCreditAgreementOtisMember_a7921525-aee5-44e1-8479-24e88d12b8d7" xlink:href="utx-20200930.xsd#utx_A10BCreditAgreementOtisMember"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_utx_A10BCreditAgreementOtisMember_a7921525-aee5-44e1-8479-24e88d12b8d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_A175BCreditAgreementCarrierMember_f7bb0476-f5a6-4121-ba13-2409a7785815" xlink:href="utx-20200930.xsd#utx_A175BCreditAgreementCarrierMember"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_utx_A175BCreditAgreementCarrierMember_f7bb0476-f5a6-4121-ba13-2409a7785815" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_A20BMay62020RevolvingCreditAgreementMember_37b01070-bd4f-4631-8d28-6d63acfb8c73" xlink:href="utx-20200930.xsd#utx_A20BMay62020RevolvingCreditAgreementMember"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CreditFacilityDomain_a322db69-a511-4464-9a05-ce001d421281" xlink:to="loc_utx_A20BMay62020RevolvingCreditAgreementMember_37b01070-bd4f-4631-8d28-6d63acfb8c73" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_df244a4d-f88e-4edb-a12a-5e87b03042c4" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementScenarioAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_4a7d1775-1683-4989-9080-bcf734d1a1fc" xlink:to="loc_srt_StatementScenarioAxis_df244a4d-f88e-4edb-a12a-5e87b03042c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_f930b766-5a92-4ba4-8181-2358ce0fc647" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementScenarioAxis_df244a4d-f88e-4edb-a12a-5e87b03042c4" xlink:to="loc_srt_ScenarioUnspecifiedDomain_f930b766-5a92-4ba4-8181-2358ce0fc647" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_8b356d0f-1fa4-4eb4-bccc-5c5a487b61dd" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScenarioForecastMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ScenarioUnspecifiedDomain_f930b766-5a92-4ba4-8181-2358ce0fc647" xlink:to="loc_srt_ScenarioForecastMember_8b356d0f-1fa4-4eb4-bccc-5c5a487b61dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityTable_4a7d1775-1683-4989-9080-bcf734d1a1fc" xlink:to="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_MaximumCommercialPaperBorrowingAuthority_5ffe15fa-ee39-46bb-8a45-e347b6a085fe" xlink:href="utx-20200930.xsd#utx_MaximumCommercialPaperBorrowingAuthority"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:to="loc_utx_MaximumCommercialPaperBorrowingAuthority_5ffe15fa-ee39-46bb-8a45-e347b6a085fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_06cf6888-32dd-4c80-8d14-176fab714890" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:to="loc_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_06cf6888-32dd-4c80-8d14-176fab714890" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityExpirationDate1_519efc0b-c357-43b6-828f-1f8e31971e5a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityExpirationDate1"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:to="loc_us-gaap_LineOfCreditFacilityExpirationDate1_519efc0b-c357-43b6-828f-1f8e31971e5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LineOfCreditFacilityInitiationDate1_59beae85-26fb-4c1c-9270-af9ad2d56c8d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LineOfCreditFacilityInitiationDate1"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:to="loc_us-gaap_LineOfCreditFacilityInitiationDate1_59beae85-26fb-4c1c-9270-af9ad2d56c8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_TerminationOfCreditAgreement_b06b4c73-5b3a-4355-8eb8-fe08559e38aa" xlink:href="utx-20200930.xsd#utx_TerminationOfCreditAgreement"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:to="loc_utx_TerminationOfCreditAgreement_b06b4c73-5b3a-4355-8eb8-fe08559e38aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_AggregateLineOfCreditFacilityMaximumBorrowingCapacity_85127de3-d85f-4383-b423-f9152d5b71d1" xlink:href="utx-20200930.xsd#utx_AggregateLineOfCreditFacilityMaximumBorrowingCapacity"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:to="loc_utx_AggregateLineOfCreditFacilityMaximumBorrowingCapacity_85127de3-d85f-4383-b423-f9152d5b71d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DebtExchanged_e8749da0-bc13-4241-9b85-32bd3dd3102c" xlink:href="utx-20200930.xsd#utx_DebtExchanged"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:to="loc_utx_DebtExchanged_e8749da0-bc13-4241-9b85-32bd3dd3102c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_AverageYearsofMaturityofLongTermDebt_0ae7dea0-b338-49dd-bfd9-2f9a62d14db7" xlink:href="utx-20200930.xsd#utx_AverageYearsofMaturityofLongTermDebt"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:to="loc_utx_AverageYearsofMaturityofLongTermDebt_0ae7dea0-b338-49dd-bfd9-2f9a62d14db7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Averageinterestexpenserate_0ecd1713-df0a-4b1d-9613-40bc87319e8c" xlink:href="utx-20200930.xsd#utx_Averageinterestexpenserate"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:to="loc_utx_Averageinterestexpenserate_0ecd1713-df0a-4b1d-9613-40bc87319e8c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_6ae7f886-5ea5-4d22-b448-f4e34992df5a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LineOfCreditFacilityLineItems_55fc7c8d-1a68-4cdb-81f3-204d857a37f7" xlink:to="loc_us-gaap_RepaymentsOfDebt_6ae7f886-5ea5-4d22-b448-f4e34992df5a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/BorrowingsandLinesofCreditLongTermDebtDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#BorrowingsandLinesofCreditLongTermDebtDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/BorrowingsandLinesofCreditLongTermDebtDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtDisclosureAbstract_0037dc70-3f68-4406-a8d3-56603d311d56" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentTable_4d25e51c-8d11-472b-a5ba-3f3baff47623" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_0037dc70-3f68-4406-a8d3-56603d311d56" xlink:to="loc_us-gaap_DebtInstrumentTable_4d25e51c-8d11-472b-a5ba-3f3baff47623" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentAxis_2682d0fe-9060-4d84-a110-4952fd341ba9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_4d25e51c-8d11-472b-a5ba-3f3baff47623" xlink:to="loc_us-gaap_DebtInstrumentAxis_2682d0fe-9060-4d84-a110-4952fd341ba9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentNameDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentAxis_2682d0fe-9060-4d84-a110-4952fd341ba9" xlink:to="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4875Due2020Member_a14e8b62-0a2b-4b5c-b307-4fc21eba21c3" xlink:href="utx-20200930.xsd#utx_Notes4875Due2020Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4875Due2020Member_a14e8b62-0a2b-4b5c-b307-4fc21eba21c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4500Due2020Member_c3661d5f-5059-452d-9a84-6d548ed7c368" xlink:href="utx-20200930.xsd#utx_Notes4500Due2020Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4500Due2020Member_c3661d5f-5059-452d-9a84-6d548ed7c368" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes1.900Due2020Member_483ca19e-e2b0-4add-9dd7-c9c4f175a1c9" xlink:href="utx-20200930.xsd#utx_Notes1.900Due2020Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes1.900Due2020Member_483ca19e-e2b0-4add-9dd7-c9c4f175a1c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_EURIBORplus0.20floatingratenotesdue2020Member_aaaf0991-e198-4355-969b-4d6849c67b5b" xlink:href="utx-20200930.xsd#utx_EURIBORplus0.20floatingratenotesdue2020Member"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_EURIBORplus0.20floatingratenotesdue2020Member_aaaf0991-e198-4355-969b-4d6849c67b5b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes8750Due2021Member_551236de-b3e4-499e-8364-bf7124f69a97" xlink:href="utx-20200930.xsd#utx_Notes8750Due2021Member"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes8750Due2021Member_551236de-b3e4-499e-8364-bf7124f69a97" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3.100Due2021Member_fa45ca3d-f6b4-4125-a15c-8f31d8c00367" xlink:href="utx-20200930.xsd#utx_Notes3.100Due2021Member"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3.100Due2021Member_fa45ca3d-f6b4-4125-a15c-8f31d8c00367" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3.350due2021Member_5071de7e-d977-4801-b73e-bfdb59d33bcd" xlink:href="utx-20200930.xsd#utx_Notes3.350due2021Member"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3.350due2021Member_5071de7e-d977-4801-b73e-bfdb59d33bcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_LIBORplus0.650floatingratenotesdue2021Member_8a118e26-26c9-44f1-801b-9d70749cb3aa" xlink:href="utx-20200930.xsd#utx_LIBORplus0.650floatingratenotesdue2021Member"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_LIBORplus0.650floatingratenotesdue2021Member_8a118e26-26c9-44f1-801b-9d70749cb3aa" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes1.950Due2021Member_8ab8a7eb-eb82-431f-b97b-67137525aa10" xlink:href="utx-20200930.xsd#utx_Notes1.950Due2021Member"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes1.950Due2021Member_8ab8a7eb-eb82-431f-b97b-67137525aa10" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Note1.125Due2021Member_5df280ae-746b-4ed3-b2ea-11a53453eddd" xlink:href="utx-20200930.xsd#utx_Note1.125Due2021Member"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Note1.125Due2021Member_5df280ae-746b-4ed3-b2ea-11a53453eddd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2.800Due2024Member_c8a4fa64-4785-4a21-adeb-7fb6205176ec" xlink:href="utx-20200930.xsd#utx_Notes2.800Due2024Member"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2.800Due2024Member_c8a4fa64-4785-4a21-adeb-7fb6205176ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2.300Due2022Member_d1de16d1-f015-4df7-bf22-533c6021703e" xlink:href="utx-20200930.xsd#utx_Notes2.300Due2022Member"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2.300Due2022Member_d1de16d1-f015-4df7-bf22-533c6021703e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3100Due2022Member_ee737067-5153-4fe0-8009-01b60ce995a2" xlink:href="utx-20200930.xsd#utx_Notes3100Due2022Member"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3100Due2022Member_ee737067-5153-4fe0-8009-01b60ce995a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2.300Due2022Member_ba49e424-b446-4847-a2d7-41699b406e6d" xlink:href="utx-20200930.xsd#utx_Notes2.300Due2022Member"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2.800Due2022Member_74bac028-672a-4522-8f32-7b010eb2edd5" xlink:href="utx-20200930.xsd#utx_Notes2.800Due2022Member"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2.800Due2022Member_74bac028-672a-4522-8f32-7b010eb2edd5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3100Due2022Member_08cd677d-f9b4-4e11-92aa-3ddcff61e931" xlink:href="utx-20200930.xsd#utx_Notes3100Due2022Member"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes1.250due2023Member_2263ce26-d74e-4c8f-8a96-4729db59e96d" xlink:href="utx-20200930.xsd#utx_Notes1.250due2023Member"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes1.250due2023Member_2263ce26-d74e-4c8f-8a96-4729db59e96d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes1.250due2023Member_382810dc-c4e9-412a-a193-cd0156ac35e0" xlink:href="utx-20200930.xsd#utx_Notes1.250due2023Member"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3.650Due2023Member_5d95bf50-b5ad-4afc-9465-d8edcc59e5d8" xlink:href="utx-20200930.xsd#utx_Notes3.650Due2023Member"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3.650Due2023Member_5d95bf50-b5ad-4afc-9465-d8edcc59e5d8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3.700Due2023Member_94268b06-dab1-4089-bbab-89246a8044d9" xlink:href="utx-20200930.xsd#utx_Notes3.700Due2023Member"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3.700Due2023Member_94268b06-dab1-4089-bbab-89246a8044d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2.800Due2024Member_8dd054e3-ba39-4a5d-9c9b-52a1a12f4d6f" xlink:href="utx-20200930.xsd#utx_Notes2.800Due2024Member"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3.200Due2024Member_ed53d08f-6b2e-4a7b-a758-a93cb20d7858" xlink:href="utx-20200930.xsd#utx_Notes3.200Due2024Member"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3.200Due2024Member_ed53d08f-6b2e-4a7b-a758-a93cb20d7858" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes1.150Due2024Member_d472c0d1-2466-4be8-af24-c8f26f41f5dd" xlink:href="utx-20200930.xsd#utx_Notes1.150Due2024Member"/>
    <link:presentationArc order="23" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes1.150Due2024Member_d472c0d1-2466-4be8-af24-c8f26f41f5dd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3.950Due2025Member_4fe95d65-9b8f-4322-a72d-fd223b9d0ad6" xlink:href="utx-20200930.xsd#utx_Notes3.950Due2025Member"/>
    <link:presentationArc order="24" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3.950Due2025Member_4fe95d65-9b8f-4322-a72d-fd223b9d0ad6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes1.875Due2026Member_ab4a5e73-6fcc-43c4-8862-ddec1d4e431c" xlink:href="utx-20200930.xsd#utx_Notes1.875Due2026Member"/>
    <link:presentationArc order="25" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes1.875Due2026Member_ab4a5e73-6fcc-43c4-8862-ddec1d4e431c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2.650Due2026Member_20ad3aca-96a3-4e65-8a29-1d0a63b8ca41" xlink:href="utx-20200930.xsd#utx_Notes2.650Due2026Member"/>
    <link:presentationArc order="26" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2.650Due2026Member_20ad3aca-96a3-4e65-8a29-1d0a63b8ca41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3.125Due2027Member_ebe838cd-1d44-4fec-b399-c0f01f59b6da" xlink:href="utx-20200930.xsd#utx_Notes3.125Due2027Member"/>
    <link:presentationArc order="27" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3.125Due2027Member_ebe838cd-1d44-4fec-b399-c0f01f59b6da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3.500Due2027Member_c22a8b04-694a-479e-ac26-f8017700d4c0" xlink:href="utx-20200930.xsd#utx_Notes3.500Due2027Member"/>
    <link:presentationArc order="28" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3.500Due2027Member_c22a8b04-694a-479e-ac26-f8017700d4c0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes7100Due2027Member_736651fe-b545-4bff-99ed-459691f99649" xlink:href="utx-20200930.xsd#utx_Notes7100Due2027Member"/>
    <link:presentationArc order="29" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes7100Due2027Member_736651fe-b545-4bff-99ed-459691f99649" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes6700Due2028Member_1acaaa3b-e5c6-4452-8241-5018e125acb1" xlink:href="utx-20200930.xsd#utx_Notes6700Due2028Member"/>
    <link:presentationArc order="30" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes6700Due2028Member_1acaaa3b-e5c6-4452-8241-5018e125acb1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4.125Due2028Member_e459eab3-9353-400a-bda3-8632344b609c" xlink:href="utx-20200930.xsd#utx_Notes4.125Due2028Member"/>
    <link:presentationArc order="31" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4.125Due2028Member_e459eab3-9353-400a-bda3-8632344b609c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes7500Due2029Member_8aea681a-349f-4922-9a68-ea3aa71fefd0" xlink:href="utx-20200930.xsd#utx_Notes7500Due2029Member"/>
    <link:presentationArc order="32" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes7500Due2029Member_8aea681a-349f-4922-9a68-ea3aa71fefd0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2.150Due2030Member_f35bf43b-3ca7-4a00-823d-e7508b9c0427" xlink:href="utx-20200930.xsd#utx_Notes2.150Due2030Member"/>
    <link:presentationArc order="33" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2.150Due2030Member_f35bf43b-3ca7-4a00-823d-e7508b9c0427" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes5400Due2035Member_b202a3e0-0fad-42aa-8772-6806f518fd37" xlink:href="utx-20200930.xsd#utx_Notes5400Due2035Member"/>
    <link:presentationArc order="34" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes5400Due2035Member_b202a3e0-0fad-42aa-8772-6806f518fd37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes6050Due2036Member_ee2014a3-1343-44fb-ac71-eeef2cc95e5c" xlink:href="utx-20200930.xsd#utx_Notes6050Due2036Member"/>
    <link:presentationArc order="35" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes6050Due2036Member_ee2014a3-1343-44fb-ac71-eeef2cc95e5c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes6800Due2036Member_c9f90349-5ef4-4397-aedc-a4d508eb3acc" xlink:href="utx-20200930.xsd#utx_Notes6800Due2036Member"/>
    <link:presentationArc order="36" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes6800Due2036Member_c9f90349-5ef4-4397-aedc-a4d508eb3acc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes7000Due2038Member_98332568-efb6-4bfd-ba27-19d5ebe617e4" xlink:href="utx-20200930.xsd#utx_Notes7000Due2038Member"/>
    <link:presentationArc order="37" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes7000Due2038Member_98332568-efb6-4bfd-ba27-19d5ebe617e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes6125Due2038Member_0e1bbce1-eb5a-49e5-b16c-f9d1359a2420" xlink:href="utx-20200930.xsd#utx_Notes6125Due2038Member"/>
    <link:presentationArc order="38" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes6125Due2038Member_0e1bbce1-eb5a-49e5-b16c-f9d1359a2420" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4.450Due2038Member_89099da7-680b-42cf-a0b3-b0d5c44a5b2d" xlink:href="utx-20200930.xsd#utx_Notes4.450Due2038Member"/>
    <link:presentationArc order="39" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4.450Due2038Member_89099da7-680b-42cf-a0b3-b0d5c44a5b2d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes5700Due2040Member_29168688-698b-4f07-a97e-ee2d2d7787c4" xlink:href="utx-20200930.xsd#utx_Notes5700Due2040Member"/>
    <link:presentationArc order="40" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes5700Due2040Member_29168688-698b-4f07-a97e-ee2d2d7787c4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4500Due2042Member_b7e741ec-c2e6-4250-9950-be0a126d8e01" xlink:href="utx-20200930.xsd#utx_Notes4500Due2042Member"/>
    <link:presentationArc order="41" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4500Due2042Member_b7e741ec-c2e6-4250-9950-be0a126d8e01" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4.800Due2043Member_f622e20a-77d0-4f3c-9ecb-2a2219e710cc" xlink:href="utx-20200930.xsd#utx_Notes4.800Due2043Member"/>
    <link:presentationArc order="42" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4.800Due2043Member_f622e20a-77d0-4f3c-9ecb-2a2219e710cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4.150Due2045MemberMember_a286bb0c-6255-46dc-ac61-3d0f4d0314ae" xlink:href="utx-20200930.xsd#utx_Notes4.150Due2045MemberMember"/>
    <link:presentationArc order="43" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4.150Due2045MemberMember_a286bb0c-6255-46dc-ac61-3d0f4d0314ae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3.750Due2046Member_7ab1151b-3f4e-4a55-b982-cc271c8dad25" xlink:href="utx-20200930.xsd#utx_Notes3.750Due2046Member"/>
    <link:presentationArc order="44" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3.750Due2046Member_7ab1151b-3f4e-4a55-b982-cc271c8dad25" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4.050Due2047Member_f82afc92-b29b-42ff-8b79-7a275ebb5f2b" xlink:href="utx-20200930.xsd#utx_Notes4.050Due2047Member"/>
    <link:presentationArc order="45" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4.050Due2047Member_f82afc92-b29b-42ff-8b79-7a275ebb5f2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4.350Due2047Member_afbfeeca-c0e5-45ad-befc-5eadf2759265" xlink:href="utx-20200930.xsd#utx_Notes4.350Due2047Member"/>
    <link:presentationArc order="46" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4.350Due2047Member_afbfeeca-c0e5-45ad-befc-5eadf2759265" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4.625Due2048Member_7b22f0c5-547c-481d-8fee-1757315445ce" xlink:href="utx-20200930.xsd#utx_Notes4.625Due2048Member"/>
    <link:presentationArc order="47" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4.625Due2048Member_7b22f0c5-547c-481d-8fee-1757315445ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes1923Due2023Member_76993999-6aeb-4c76-b997-cf2345bdb518" xlink:href="utx-20200930.xsd#utx_Notes1923Due2023Member"/>
    <link:presentationArc order="48" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes1923Due2023Member_76993999-6aeb-4c76-b997-cf2345bdb518" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_LiborPlus045FloatingRatesDue2023Member_9b2474fb-b49b-4c0d-a326-cb4b918db7ca" xlink:href="utx-20200930.xsd#utx_LiborPlus045FloatingRatesDue2023Member"/>
    <link:presentationArc order="49" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_LiborPlus045FloatingRatesDue2023Member_9b2474fb-b49b-4c0d-a326-cb4b918db7ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2242Due2025Member_cfb55b9e-64ac-4a68-b3d8-53831d29a5b2" xlink:href="utx-20200930.xsd#utx_Notes2242Due2025Member"/>
    <link:presentationArc order="50" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2242Due2025Member_cfb55b9e-64ac-4a68-b3d8-53831d29a5b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2493Due2027Member_a3ee1956-f4c8-40e5-a40e-cdfa8153fee8" xlink:href="utx-20200930.xsd#utx_Notes2493Due2027Member"/>
    <link:presentationArc order="51" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2493Due2027Member_a3ee1956-f4c8-40e5-a40e-cdfa8153fee8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2293Due2027Member_bfd6f8e5-bdca-41b7-860b-e06d43e81d52" xlink:href="utx-20200930.xsd#utx_Notes2293Due2027Member"/>
    <link:presentationArc order="52" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2293Due2027Member_bfd6f8e5-bdca-41b7-860b-e06d43e81d52" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2565Due2030Member_50e23bcd-2974-4aa3-8c77-19582ef0b6b2" xlink:href="utx-20200930.xsd#utx_Notes2565Due2030Member"/>
    <link:presentationArc order="53" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2565Due2030Member_50e23bcd-2974-4aa3-8c77-19582ef0b6b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2722Due2030Member_6504ed57-cd3f-4271-9a67-7c3d7a46ec1c" xlink:href="utx-20200930.xsd#utx_Notes2722Due2030Member"/>
    <link:presentationArc order="54" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2722Due2030Member_6504ed57-cd3f-4271-9a67-7c3d7a46ec1c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3377Due2040Member_c2afa9d8-ceaf-4374-ba0b-50b3c985631a" xlink:href="utx-20200930.xsd#utx_Notes3377Due2040Member"/>
    <link:presentationArc order="55" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3377Due2040Member_c2afa9d8-ceaf-4374-ba0b-50b3c985631a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3112Due2040Member_4c1c525f-df47-4b92-bf8e-098d37b0bbb1" xlink:href="utx-20200930.xsd#utx_Notes3112Due2040Member"/>
    <link:presentationArc order="56" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3112Due2040Member_4c1c525f-df47-4b92-bf8e-098d37b0bbb1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3362Due2050Member_412d50cb-3aad-46c6-b8b4-7776877f5b65" xlink:href="utx-20200930.xsd#utx_Notes3362Due2050Member"/>
    <link:presentationArc order="57" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3362Due2050Member_412d50cb-3aad-46c6-b8b4-7776877f5b65" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3577Due2050Member_d09b7ce8-ef65-429f-be8b-7c90b7c32173" xlink:href="utx-20200930.xsd#utx_Notes3577Due2050Member"/>
    <link:presentationArc order="58" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3577Due2050Member_d09b7ce8-ef65-429f-be8b-7c90b7c32173" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2056Due2025Member_4438291a-a46e-4198-b68e-d32bc889c0f6" xlink:href="utx-20200930.xsd#utx_Notes2056Due2025Member"/>
    <link:presentationArc order="59" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2056Due2025Member_4438291a-a46e-4198-b68e-d32bc889c0f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Otis3YearTermLoanDue2023Member_c58fbe77-bdd9-4075-b478-12913ee52af4" xlink:href="utx-20200930.xsd#utx_Otis3YearTermLoanDue2023Member"/>
    <link:presentationArc order="60" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Otis3YearTermLoanDue2023Member_c58fbe77-bdd9-4075-b478-12913ee52af4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Carrier3YearTermLoanDue2023Member_6f3baf95-2d0a-45e3-8652-254502e5772f" xlink:href="utx-20200930.xsd#utx_Carrier3YearTermLoanDue2023Member"/>
    <link:presentationArc order="61" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Carrier3YearTermLoanDue2023Member_6f3baf95-2d0a-45e3-8652-254502e5772f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3125Due2050Member_b6518818-411b-4702-a7b5-5982ec2535e8" xlink:href="utx-20200930.xsd#utx_Notes3125Due2050Member"/>
    <link:presentationArc order="62" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3125Due2050Member_b6518818-411b-4702-a7b5-5982ec2535e8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2250Due2030Member_534381d5-5061-49f0-9f1c-52508741c9b2" xlink:href="utx-20200930.xsd#utx_Notes2250Due2030Member"/>
    <link:presentationArc order="63" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2250Due2030Member_534381d5-5061-49f0-9f1c-52508741c9b2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3125Due2020Member_ecbb314f-b41a-4ba4-a90a-3605b31be6cc" xlink:href="utx-20200930.xsd#utx_Notes3125Due2020Member"/>
    <link:presentationArc order="64" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3125Due2020Member_ecbb314f-b41a-4ba4-a90a-3605b31be6cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes2500Due2022Member_a5924b05-c7b9-4fd5-ba65-168327d6c827" xlink:href="utx-20200930.xsd#utx_Notes2500Due2022Member"/>
    <link:presentationArc order="65" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes2500Due2022Member_a5924b05-c7b9-4fd5-ba65-168327d6c827" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes3150Due2024Member_d2dbd54d-5336-4bd6-b8a4-7a29703c5c4a" xlink:href="utx-20200930.xsd#utx_Notes3150Due2024Member"/>
    <link:presentationArc order="66" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes3150Due2024Member_d2dbd54d-5336-4bd6-b8a4-7a29703c5c4a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes7200Due2027Member_9e384a2d-7af3-46f2-a750-0bcef214d877" xlink:href="utx-20200930.xsd#utx_Notes7200Due2027Member"/>
    <link:presentationArc order="67" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes7200Due2027Member_9e384a2d-7af3-46f2-a750-0bcef214d877" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes7000Due2028Member_e65a4cd6-8c81-4e25-a4b1-e196e09ecea8" xlink:href="utx-20200930.xsd#utx_Notes7000Due2028Member"/>
    <link:presentationArc order="68" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes7000Due2028Member_e65a4cd6-8c81-4e25-a4b1-e196e09ecea8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4875Due2040Member_b652b1a4-90bc-4995-b3b8-f7b3eb099d99" xlink:href="utx-20200930.xsd#utx_Notes4875Due2040Member"/>
    <link:presentationArc order="69" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4875Due2040Member_b652b1a4-90bc-4995-b3b8-f7b3eb099d99" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4700Due2041Member_28019709-a3cf-42ce-8aed-eb8961c1eff6" xlink:href="utx-20200930.xsd#utx_Notes4700Due2041Member"/>
    <link:presentationArc order="70" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4700Due2041Member_28019709-a3cf-42ce-8aed-eb8961c1eff6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes4200Due2044Member_2b608493-e624-423b-b8ec-f606817f02dc" xlink:href="utx-20200930.xsd#utx_Notes4200Due2044Member"/>
    <link:presentationArc order="71" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes4200Due2044Member_2b608493-e624-423b-b8ec-f606817f02dc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes1.950Due2019Member_27df2495-5a63-4943-bf23-dd7095ccf6fb" xlink:href="utx-20200930.xsd#utx_Notes1.950Due2019Member"/>
    <link:presentationArc order="72" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes1.950Due2019Member_27df2495-5a63-4943-bf23-dd7095ccf6fb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_Notes5.250Due2019Member_b71523e5-da95-4e47-be29-92e3d31b546c" xlink:href="utx-20200930.xsd#utx_Notes5.250Due2019Member"/>
    <link:presentationArc order="73" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentNameDomain_9bba4f4c-5b71-48d7-86bf-645b18c8f0a5" xlink:to="loc_utx_Notes5.250Due2019Member_b71523e5-da95-4e47-be29-92e3d31b546c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeAxis_786162a8-10a3-46a6-b51b-8238fa7133f8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_4d25e51c-8d11-472b-a5ba-3f3baff47623" xlink:to="loc_us-gaap_LongtermDebtTypeAxis_786162a8-10a3-46a6-b51b-8238fa7133f8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongtermDebtTypeDomain_9cf8434c-90c8-4ca8-9b0c-35e30f49695f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongtermDebtTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LongtermDebtTypeAxis_786162a8-10a3-46a6-b51b-8238fa7133f8" xlink:to="loc_us-gaap_LongtermDebtTypeDomain_9cf8434c-90c8-4ca8-9b0c-35e30f49695f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_9d1695ff-bc2e-47c1-bec7-4dcd5a1f57b5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_4d25e51c-8d11-472b-a5ba-3f3baff47623" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_9d1695ff-bc2e-47c1-bec7-4dcd5a1f57b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_f0d7f6eb-8c45-4fa4-9f71-67b9501bdd78" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentRedemptionPeriodDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentRedemptionPeriodAxis_9d1695ff-bc2e-47c1-bec7-4dcd5a1f57b5" xlink:to="loc_us-gaap_DebtInstrumentRedemptionPeriodDomain_f0d7f6eb-8c45-4fa4-9f71-67b9501bdd78" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentLineItems_1e16cb34-6072-4d97-b67a-39a64bf681e4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentTable_4d25e51c-8d11-472b-a5ba-3f3baff47623" xlink:to="loc_us-gaap_DebtInstrumentLineItems_1e16cb34-6072-4d97-b67a-39a64bf681e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentCarryingAmount_6da5e792-12c4-426c-b748-12d425e5c83a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentCarryingAmount"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1e16cb34-6072-4d97-b67a-39a64bf681e4" xlink:to="loc_us-gaap_DebtInstrumentCarryingAmount_6da5e792-12c4-426c-b748-12d425e5c83a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentMaturityDateDescription_382df01b-0472-4d68-9b11-d2c615ede492" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentMaturityDateDescription"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1e16cb34-6072-4d97-b67a-39a64bf681e4" xlink:to="loc_us-gaap_DebtInstrumentMaturityDateDescription_382df01b-0472-4d68-9b11-d2c615ede492" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_443f0ef5-131d-4f72-a347-1b71f060d68a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentInterestRateStatedPercentage"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1e16cb34-6072-4d97-b67a-39a64bf681e4" xlink:to="loc_us-gaap_DebtInstrumentInterestRateStatedPercentage_443f0ef5-131d-4f72-a347-1b71f060d68a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DebtInstrumentFaceAmount_ad45de97-c9d1-4da5-bda8-8faf4ebf7c44" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DebtInstrumentFaceAmount"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1e16cb34-6072-4d97-b67a-39a64bf681e4" xlink:to="loc_us-gaap_DebtInstrumentFaceAmount_ad45de97-c9d1-4da5-bda8-8faf4ebf7c44" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProceedsFromIssuanceOfDebt_fd96d612-9849-4bf5-97c2-79e2dd38dbd4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProceedsFromIssuanceOfDebt"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1e16cb34-6072-4d97-b67a-39a64bf681e4" xlink:to="loc_us-gaap_ProceedsFromIssuanceOfDebt_fd96d612-9849-4bf5-97c2-79e2dd38dbd4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RepaymentsOfDebt_6a741d97-afae-441e-94e8-34fa4e132e00" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RepaymentsOfDebt"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1e16cb34-6072-4d97-b67a-39a64bf681e4" xlink:to="loc_us-gaap_RepaymentsOfDebt_6a741d97-afae-441e-94e8-34fa4e132e00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ExtinguishmentOfDebtAmount_19d41bc3-80c5-460b-8618-6392c28864a9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ExtinguishmentOfDebtAmount"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtInstrumentLineItems_1e16cb34-6072-4d97-b67a-39a64bf681e4" xlink:to="loc_us-gaap_ExtinguishmentOfDebtAmount_19d41bc3-80c5-460b-8618-6392c28864a9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherLongTermDebt_eff7cce4-275b-442d-9859-0702a955f001" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherLongTermDebt"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_0037dc70-3f68-4406-a8d3-56603d311d56" xlink:to="loc_us-gaap_OtherLongTermDebt_eff7cce4-275b-442d-9859-0702a955f001" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrincipalLongTermDebt_24994c90-5d90-4dcb-84a7-ee842ca11bb6" xlink:href="utx-20200930.xsd#utx_PrincipalLongTermDebt"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_0037dc70-3f68-4406-a8d3-56603d311d56" xlink:to="loc_utx_PrincipalLongTermDebt_24994c90-5d90-4dcb-84a7-ee842ca11bb6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherLongTermDebtFairMarketValueAdjustments_8476740c-dbd5-4a51-8cbe-746acb9aeb76" xlink:href="utx-20200930.xsd#utx_OtherLongTermDebtFairMarketValueAdjustments"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_0037dc70-3f68-4406-a8d3-56603d311d56" xlink:to="loc_utx_OtherLongTermDebtFairMarketValueAdjustments_8476740c-dbd5-4a51-8cbe-746acb9aeb76" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ebf3819c-3177-42b5-af03-cd5273ea8e23" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_0037dc70-3f68-4406-a8d3-56603d311d56" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsIncludingCurrentMaturities_ebf3819c-3177-42b5-af03-cd5273ea8e23" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_aaa65d6b-336f-40c5-bb39-f33c315af65b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_0037dc70-3f68-4406-a8d3-56603d311d56" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligationsCurrent_aaa65d6b-336f-40c5-bb39-f33c315af65b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_43b32b9e-50cb-4e5d-aaed-a472c8c30320" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LongTermDebtAndCapitalLeaseObligations"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DebtDisclosureAbstract_0037dc70-3f68-4406-a8d3-56603d311d56" xlink:to="loc_us-gaap_LongTermDebtAndCapitalLeaseObligations_43b32b9e-50cb-4e5d-aaed-a472c8c30320" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/IncomeTaxes" xlink:type="simple" xlink:href="utx-20200930.xsd#IncomeTaxes"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/IncomeTaxes" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureAbstract_6f9f27d7-de5f-4b5c-9a7c-0008155ea0e3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxDisclosureTextBlock_ed026774-07df-43ac-874e-429fcd812179" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxDisclosureAbstract_6f9f27d7-de5f-4b5c-9a7c-0008155ea0e3" xlink:to="loc_us-gaap_IncomeTaxDisclosureTextBlock_ed026774-07df-43ac-874e-429fcd812179" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/IncomeTaxesUnrecognizedTaxBenefitChangesDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#IncomeTaxesUnrecognizedTaxBenefitChangesDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/IncomeTaxesUnrecognizedTaxBenefitChangesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxUncertaintiesAbstract_dbc65e13-1366-4264-83a1-9e090bd8b546" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxUncertaintiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_09677d68-f8ea-4bb4-8fce-e7899c425f04" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeTaxUncertaintiesAbstract_dbc65e13-1366-4264-83a1-9e090bd8b546" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_09677d68-f8ea-4bb4-8fce-e7899c425f04" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeAxis_8ec0dcac-c10f-4b6d-ba1c-8d2d55856052" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_09677d68-f8ea-4bb4-8fce-e7899c425f04" xlink:to="loc_srt_RangeAxis_8ec0dcac-c10f-4b6d-ba1c-8d2d55856052" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_RangeMember_dce73084-abe7-4bd9-8d9d-344388bf4252" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_RangeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeAxis_8ec0dcac-c10f-4b6d-ba1c-8d2d55856052" xlink:to="loc_srt_RangeMember_dce73084-abe7-4bd9-8d9d-344388bf4252" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MinimumMember_7c850558-e800-4168-9262-9c9b4453219f" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MinimumMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_dce73084-abe7-4bd9-8d9d-344388bf4252" xlink:to="loc_srt_MinimumMember_7c850558-e800-4168-9262-9c9b4453219f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MaximumMember_4dc96232-aa10-4457-9816-744ce91f10e4" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MaximumMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_RangeMember_dce73084-abe7-4bd9-8d9d-344388bf4252" xlink:to="loc_srt_MaximumMember_4dc96232-aa10-4457-9816-744ce91f10e4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_StatementScenarioAxis_50128042-79f1-4583-bcfe-f2b8e263cf8f" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_StatementScenarioAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_09677d68-f8ea-4bb4-8fce-e7899c425f04" xlink:to="loc_srt_StatementScenarioAxis_50128042-79f1-4583-bcfe-f2b8e263cf8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioUnspecifiedDomain_272058c8-8e9b-49da-bfb1-21c58c002472" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScenarioUnspecifiedDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_StatementScenarioAxis_50128042-79f1-4583-bcfe-f2b8e263cf8f" xlink:to="loc_srt_ScenarioUnspecifiedDomain_272058c8-8e9b-49da-bfb1-21c58c002472" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ScenarioForecastMember_6764b8c0-f444-4d4b-b102-37c90cb7cc1b" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ScenarioForecastMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ScenarioUnspecifiedDomain_272058c8-8e9b-49da-bfb1-21c58c002472" xlink:to="loc_srt_ScenarioForecastMember_6764b8c0-f444-4d4b-b102-37c90cb7cc1b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleTable_09677d68-f8ea-4bb4-8fce-e7899c425f04" xlink:to="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_1aab74e6-7050-4c09-a58c-b03817edb6f2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateContinuingOperations"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateContinuingOperations_1aab74e6-7050-4c09-a58c-b03817edb6f2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses_495748b6-a784-4838-8cc6-4c29475cfb6f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseImpairmentLosses_495748b6-a784-4838-8cc6-4c29475cfb6f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_EffectiveIncomeTaxReconciliationUpdateToTheForecastedAETRImpact_f860d7e5-adec-46ce-be7c-300ff7abe584" xlink:href="utx-20200930.xsd#utx_EffectiveIncomeTaxReconciliationUpdateToTheForecastedAETRImpact"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_utx_EffectiveIncomeTaxReconciliationUpdateToTheForecastedAETRImpact_f860d7e5-adec-46ce-be7c-300ff7abe584" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_EffectiveIncomeTaxRateReconciliationChangeInStateAndForeignTaxRatesPercent_17fe6c86-278b-4b9f-9367-7f8d6f493ca5" xlink:href="utx-20200930.xsd#utx_EffectiveIncomeTaxRateReconciliationChangeInStateAndForeignTaxRatesPercent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_utx_EffectiveIncomeTaxRateReconciliationChangeInStateAndForeignTaxRatesPercent_17fe6c86-278b-4b9f-9367-7f8d6f493ca5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_EffectiveIncomeTaxRateReconciliationDeferredTaxAssetsPercent_9f131dd6-c071-4162-a87e-78bd1345f16e" xlink:href="utx-20200930.xsd#utx_EffectiveIncomeTaxRateReconciliationDeferredTaxAssetsPercent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_utx_EffectiveIncomeTaxRateReconciliationDeferredTaxAssetsPercent_9f131dd6-c071-4162-a87e-78bd1345f16e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfBusiness_0c5a504a-7a71-40cc-b2b5-d9fc0d51accc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfBusiness"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationDispositionOfBusiness_0c5a504a-7a71-40cc-b2b5-d9fc0d51accc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements_d2caab3e-7624-4e9c-9d06-6f8342dd09c3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationTaxSettlements_d2caab3e-7624-4e9c-9d06-6f8342dd09c3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_e403af1d-d9d0-42db-97ca-f67d3df4ede1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments_e403af1d-d9d0-42db-97ca-f67d3df4ede1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_6238a191-9110-4d18-8bab-86b5681fb8e1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease_6238a191-9110-4d18-8bab-86b5681fb8e1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition_a01b1827-57e1-49a2-b995-4c1db16a5cf1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromAcquisition_a01b1827-57e1-49a2-b995-4c1db16a5cf1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_7ef7506d-83bb-4354-ab11-dab3ef29b5b6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_DecreaseInUnrecognizedTaxBenefitsIsReasonablyPossible_7ef7506d-83bb-4354-ab11-dab3ef29b5b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense_29ba05ef-72b5-44f9-b607-8a68c7c5c847" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesExpense_29ba05ef-72b5-44f9-b607-8a68c7c5c847" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued_9e1e3cd5-beb0-420d-812d-8fd8a52b3fe2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_UnrecognizedTaxBenefitsInterestOnIncomeTaxesAccrued_9e1e3cd5-beb0-420d-812d-8fd8a52b3fe2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeTaxReconciliationTaxSettlements_0d7aee0c-478f-4d74-b710-be4aa66d83d1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeTaxReconciliationTaxSettlements"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SignificantChangeInUnrecognizedTaxBenefitsIsReasonablyPossibleLineItems_aa87c6d2-298a-4f68-8a26-f798a5520e2b" xlink:to="loc_us-gaap_IncomeTaxReconciliationTaxSettlements_0d7aee0c-478f-4d74-b710-be4aa66d83d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/EmployeeBenefitPlans" xlink:type="simple" xlink:href="utx-20200930.xsd#EmployeeBenefitPlans"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/EmployeeBenefitPlans" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_6c7c543a-cce7-4ea9-b4f4-0c67d1d19fd9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_4c0afa7f-0035-451c-9275-f2d2fccf4b35" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_6c7c543a-cce7-4ea9-b4f4-0c67d1d19fd9" xlink:to="loc_us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_4c0afa7f-0035-451c-9275-f2d2fccf4b35" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/EmployeeBenefitPlansTables" xlink:type="simple" xlink:href="utx-20200930.xsd#EmployeeBenefitPlansTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/EmployeeBenefitPlansTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_c1717fef-000d-4eab-95ce-33d7216f302e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ScheduleOfContributionsToPlansTableTextBlock_9b2bf352-7210-4bb3-af95-63d12d54cc08" xlink:href="utx-20200930.xsd#utx_ScheduleOfContributionsToPlansTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_c1717fef-000d-4eab-95ce-33d7216f302e" xlink:to="loc_utx_ScheduleOfContributionsToPlansTableTextBlock_9b2bf352-7210-4bb3-af95-63d12d54cc08" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock_b1022d36-1901-40c6-8b21-a77dfb2f1873" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_c1717fef-000d-4eab-95ce-33d7216f302e" xlink:to="loc_us-gaap_ScheduleOfAmountsRecognizedInBalanceSheetTableTextBlock_b1022d36-1901-40c6-8b21-a77dfb2f1873" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_07364f98-c64a-4dc6-8f81-37fcb99c39ed" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfNetBenefitCostsTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_c1717fef-000d-4eab-95ce-33d7216f302e" xlink:to="loc_us-gaap_ScheduleOfNetBenefitCostsTableTextBlock_07364f98-c64a-4dc6-8f81-37fcb99c39ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesTextBlock_b1c72aa7-d759-442c-b0a5-149d7c2fec91" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MarketableSecuritiesTextBlock"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_c1717fef-000d-4eab-95ce-33d7216f302e" xlink:to="loc_us-gaap_MarketableSecuritiesTextBlock_b1c72aa7-d759-442c-b0a5-149d7c2fec91" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/EmployeeBenefitPlansDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#EmployeeBenefitPlansDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/EmployeeBenefitPlansDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_98713f3e-93e4-4b82-892e-003ee64fd77a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CompensationAndRetirementDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_de4392e6-7334-426b-b5bc-612655f7dc0e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CompensationAndRetirementDisclosureAbstract_98713f3e-93e4-4b82-892e-003ee64fd77a" xlink:to="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_de4392e6-7334-426b-b5bc-612655f7dc0e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ActuarialGainLossAxis_bfd11e99-7e9c-449c-bb52-efda4700ae5e" xlink:href="utx-20200930.xsd#utx_ActuarialGainLossAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_de4392e6-7334-426b-b5bc-612655f7dc0e" xlink:to="loc_utx_ActuarialGainLossAxis_bfd11e99-7e9c-449c-bb52-efda4700ae5e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ActuarialGainLossDomain_f60f6f77-d4db-4d33-8548-eeb757eac879" xlink:href="utx-20200930.xsd#utx_ActuarialGainLossDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ActuarialGainLossAxis_bfd11e99-7e9c-449c-bb52-efda4700ae5e" xlink:to="loc_utx_ActuarialGainLossDomain_f60f6f77-d4db-4d33-8548-eeb757eac879" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_BenefitobligationgainMember_ae205e17-036d-40a7-ae25-1a9f6be79d00" xlink:href="utx-20200930.xsd#utx_BenefitobligationgainMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ActuarialGainLossDomain_f60f6f77-d4db-4d33-8548-eeb757eac879" xlink:to="loc_utx_BenefitobligationgainMember_ae205e17-036d-40a7-ae25-1a9f6be79d00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RemeasurementlossMember_a51f5087-3e19-43e9-a279-d6bae6c82570" xlink:href="utx-20200930.xsd#utx_RemeasurementlossMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ActuarialGainLossDomain_f60f6f77-d4db-4d33-8548-eeb757eac879" xlink:to="loc_utx_RemeasurementlossMember_a51f5087-3e19-43e9-a279-d6bae6c82570" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeAxis_ab0634c3-350c-438e-9715-7c93eafcbd7b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_de4392e6-7334-426b-b5bc-612655f7dc0e" xlink:to="loc_us-gaap_RetirementPlanTypeAxis_ab0634c3-350c-438e-9715-7c93eafcbd7b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanTypeDomain_4b56a0ca-7bbc-4ca9-a461-7022d67c8afd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeAxis_ab0634c3-350c-438e-9715-7c93eafcbd7b" xlink:to="loc_us-gaap_RetirementPlanTypeDomain_4b56a0ca-7bbc-4ca9-a461-7022d67c8afd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_f553c602-0902-4055-901a-cf34e6a3e557" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_4b56a0ca-7bbc-4ca9-a461-7022d67c8afd" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_f553c602-0902-4055-901a-cf34e6a3e557" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_44561db2-a639-4573-9549-42c68e531ecb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_4b56a0ca-7bbc-4ca9-a461-7022d67c8afd" xlink:to="loc_us-gaap_OtherPostretirementBenefitPlansDefinedBenefitMember_44561db2-a639-4573-9549-42c68e531ecb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherPensionAndPRBRelatedItemsMember_ce6c57b6-3a36-425e-8176-fe56cedea877" xlink:href="utx-20200930.xsd#utx_OtherPensionAndPRBRelatedItemsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_4b56a0ca-7bbc-4ca9-a461-7022d67c8afd" xlink:to="loc_utx_OtherPensionAndPRBRelatedItemsMember_ce6c57b6-3a36-425e-8176-fe56cedea877" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_7b93f94e-615e-47a1-afe0-33aaaae39d8b" xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanTypeDomain_4b56a0ca-7bbc-4ca9-a461-7022d67c8afd" xlink:to="loc_country_US_7b93f94e-615e-47a1-afe0-33aaaae39d8b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationAxis_efda015b-d8b5-4018-a3d4-b3c139f70077" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanSponsorLocationAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_de4392e6-7334-426b-b5bc-612655f7dc0e" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationAxis_efda015b-d8b5-4018-a3d4-b3c139f70077" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RetirementPlanSponsorLocationDomain_1e8b6a7e-246f-4854-8acc-3242004c07cb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RetirementPlanSponsorLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationAxis_efda015b-d8b5-4018-a3d4-b3c139f70077" xlink:to="loc_us-gaap_RetirementPlanSponsorLocationDomain_1e8b6a7e-246f-4854-8acc-3242004c07cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_b374e6ab-b285-43fc-b999-4fe6fea21b30" xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_1e8b6a7e-246f-4854-8acc-3242004c07cb" xlink:to="loc_country_US_b374e6ab-b285-43fc-b999-4fe6fea21b30" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PensionPlansDefinedBenefitMember_690dd4f7-bf5e-41c8-b77d-2fad6cdef8ac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PensionPlansDefinedBenefitMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RetirementPlanSponsorLocationDomain_1e8b6a7e-246f-4854-8acc-3242004c07cb" xlink:to="loc_us-gaap_PensionPlansDefinedBenefitMember_690dd4f7-bf5e-41c8-b77d-2fad6cdef8ac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_74563be9-8364-4452-9cbf-9999339d6281" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_de4392e6-7334-426b-b5bc-612655f7dc0e" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_74563be9-8364-4452-9cbf-9999339d6281" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_27c84c9f-1879-46ad-adbe-96c73efe57db" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_74563be9-8364-4452-9cbf-9999339d6281" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_27c84c9f-1879-46ad-adbe-96c73efe57db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_62db4867-dd48-422a-b1c4-e134c7d0e06f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_27c84c9f-1879-46ad-adbe-96c73efe57db" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_62db4867-dd48-422a-b1c4-e134c7d0e06f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansDisclosuresTable_de4392e6-7334-426b-b5bc-612655f7dc0e" xlink:to="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DefinedBenefitPlanNumberOfPlanParticipants_7ccb6b4d-bfe1-4ed7-bfc6-648f32194420" xlink:href="utx-20200930.xsd#utx_DefinedBenefitPlanNumberOfPlanParticipants"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_utx_DefinedBenefitPlanNumberOfPlanParticipants_7ccb6b4d-bfe1-4ed7-bfc6-648f32194420" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_DefinedBenefitPlanBenefitObligationIncreaseDecreaseDueToRemeasurement_63482c5c-dfc4-4944-ad25-6345c2bce0db" xlink:href="utx-20200930.xsd#utx_DefinedBenefitPlanBenefitObligationIncreaseDecreaseDueToRemeasurement"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_utx_DefinedBenefitPlanBenefitObligationIncreaseDecreaseDueToRemeasurement_63482c5c-dfc4-4944-ad25-6345c2bce0db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_e77ce1f5-23f2-4169-b72a-1b83ea376e85" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanContributionsByEmployer"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedBenefitPlanContributionsByEmployer_e77ce1f5-23f2-4169-b72a-1b83ea376e85" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedContributionPlanCostRecognized_f19e39d2-bb4a-4688-8418-288782ed457b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedContributionPlanCostRecognized"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedContributionPlanCostRecognized_f19e39d2-bb4a-4688-8418-288782ed457b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_e3b39f52-f823-47c6-9fff-2a43c5f56001" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedBenefitPensionPlanLiabilitiesNoncurrent_e3b39f52-f823-47c6-9fff-2a43c5f56001" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanServiceCost_73fb4ba8-588a-40a6-9ea4-ad71176f35b1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanServiceCost"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedBenefitPlanServiceCost_73fb4ba8-588a-40a6-9ea4-ad71176f35b1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanInterestCost_f19a32a3-dc88-4d86-a7fb-20b16b0414f6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanInterestCost"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedBenefitPlanInterestCost_f19a32a3-dc88-4d86-a7fb-20b16b0414f6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_95c3bedf-53d4-4342-83d2-74706b9a0c18" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedBenefitPlanExpectedReturnOnPlanAssets_95c3bedf-53d4-4342-83d2-74706b9a0c18" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_c4fd7dc7-7055-48dd-a1cc-786debd3efd8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfPriorServiceCostCredit_c4fd7dc7-7055-48dd-a1cc-786debd3efd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_031fcebf-953e-4196-9e86-745ada81ce3a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedBenefitPlanAmortizationOfGainsLosses_031fcebf-953e-4196-9e86-745ada81ce3a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_325167bf-4912-4b72-9b7c-e761e466d2b5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_325167bf-4912-4b72-9b7c-e761e466d2b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent_02e5f432-0376-4f7c-b3bb-0954de9ad5f3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_NetPeriodicDefinedBenefitsExpenseReversalOfExpenseExcludingServiceCostComponent_02e5f432-0376-4f7c-b3bb-0954de9ad5f3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_4dfa2874-e104-4320-8469-894b3536472d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedBenefitPlanNetPeriodicBenefitCost_4dfa2874-e104-4320-8469-894b3536472d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/totalLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_83cfcd5b-e891-48fa-be03-6ccd4283a6d4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanActuarialGainLoss"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_DefinedBenefitPlanActuarialGainLoss_83cfcd5b-e891-48fa-be03-6ccd4283a6d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesNoncurrent_d609c3d5-b349-4e1f-83ae-2a6be0b5ca28" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MarketableSecuritiesNoncurrent"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DefinedBenefitPlansAndOtherPostretirementBenefitPlansTableTextBlockLineItems_3828b0dc-0d05-4204-ae4d-8b83aab0d03d" xlink:to="loc_us-gaap_MarketableSecuritiesNoncurrent_d609c3d5-b349-4e1f-83ae-2a6be0b5ca28" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/RestructuringandOtherCosts" xlink:type="simple" xlink:href="utx-20200930.xsd#RestructuringandOtherCosts"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/RestructuringandOtherCosts" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_abf0079f-56b2-43b9-9dd7-0ecf291d47e6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_016b2f09-7ce5-4f8c-87e7-cd54de627b39" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_abf0079f-56b2-43b9-9dd7-0ecf291d47e6" xlink:to="loc_us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_016b2f09-7ce5-4f8c-87e7-cd54de627b39" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/RestructuringandOtherCostsTables" xlink:type="simple" xlink:href="utx-20200930.xsd#RestructuringandOtherCostsTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/RestructuringandOtherCostsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_9b23121e-7b45-4c32-ac06-77ef0b3d727d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_74c27eb1-7a41-419e-9f05-ea8f86af4727" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_9b23121e-7b45-4c32-ac06-77ef0b3d727d" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_74c27eb1-7a41-419e-9f05-ea8f86af4727" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RestructuringAndRelatedCostsActionsByYearAxis_84007975-b29b-44dc-a023-db70e486bbd2" xlink:href="utx-20200930.xsd#utx_RestructuringAndRelatedCostsActionsByYearAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_74c27eb1-7a41-419e-9f05-ea8f86af4727" xlink:to="loc_utx_RestructuringAndRelatedCostsActionsByYearAxis_84007975-b29b-44dc-a023-db70e486bbd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_5af0488f-fe6c-4c4b-978a-26cad0f76392" xlink:href="utx-20200930.xsd#utx_RestructuringAndRelatedCostsActionsByYearDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndRelatedCostsActionsByYearAxis_84007975-b29b-44dc-a023-db70e486bbd2" xlink:to="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_5af0488f-fe6c-4c4b-978a-26cad0f76392" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CurrentYearActionsMember_0c109c9c-c5d1-4abd-8fb1-fde51bd1f702" xlink:href="utx-20200930.xsd#utx_CurrentYearActionsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_5af0488f-fe6c-4c4b-978a-26cad0f76392" xlink:to="loc_utx_CurrentYearActionsMember_0c109c9c-c5d1-4abd-8fb1-fde51bd1f702" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PriorYearActionsMember_efc8a00b-727e-4526-8ede-a2782bb18f61" xlink:href="utx-20200930.xsd#utx_PriorYearActionsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_5af0488f-fe6c-4c4b-978a-26cad0f76392" xlink:to="loc_utx_PriorYearActionsMember_efc8a00b-727e-4526-8ede-a2782bb18f61" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_0ab0e6f1-afa3-4bad-ba16-4f9fa6e5166d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_74c27eb1-7a41-419e-9f05-ea8f86af4727" xlink:to="loc_us-gaap_RestructuringCostAndReserveLineItems_0ab0e6f1-afa3-4bad-ba16-4f9fa6e5166d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_c8afeef2-b10b-4f18-af4d-4581f8d7861f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ab0e6f1-afa3-4bad-ba16-4f9fa6e5166d" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTextBlock_c8afeef2-b10b-4f18-af4d-4581f8d7861f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_cc0ab6a5-69e1-49d3-93d4-97ece43ccc32" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_0ab0e6f1-afa3-4bad-ba16-4f9fa6e5166d" xlink:to="loc_us-gaap_ScheduleOfRestructuringReserveByTypeOfCostTextBlock_cc0ab6a5-69e1-49d3-93d4-97ece43ccc32" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/RestructuringandOtherCostsDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#RestructuringandOtherCostsDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/RestructuringandOtherCostsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_57f9cc26-7350-41ec-84fe-a7438ec4cd17" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d3ffff09-8646-4422-a4f2-7534c09c0d8d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfRestructuringAndRelatedCostsTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedActivitiesAbstract_57f9cc26-7350-41ec-84fe-a7438ec4cd17" xlink:to="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d3ffff09-8646-4422-a4f2-7534c09c0d8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RestructuringAndRelatedCostsActionsByYearAxis_7042591d-a310-496c-93fa-624415d663ec" xlink:href="utx-20200930.xsd#utx_RestructuringAndRelatedCostsActionsByYearAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d3ffff09-8646-4422-a4f2-7534c09c0d8d" xlink:to="loc_utx_RestructuringAndRelatedCostsActionsByYearAxis_7042591d-a310-496c-93fa-624415d663ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_a146321a-01da-45a2-83b0-8bebd98ed61b" xlink:href="utx-20200930.xsd#utx_RestructuringAndRelatedCostsActionsByYearDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndRelatedCostsActionsByYearAxis_7042591d-a310-496c-93fa-624415d663ec" xlink:to="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_a146321a-01da-45a2-83b0-8bebd98ed61b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CurrentYearActionsMember_5206b9db-652c-443b-b546-619354f4363f" xlink:href="utx-20200930.xsd#utx_CurrentYearActionsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_a146321a-01da-45a2-83b0-8bebd98ed61b" xlink:to="loc_utx_CurrentYearActionsMember_5206b9db-652c-443b-b546-619354f4363f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PriorYearActionsMember_0362106e-fe3e-4bb5-b2c4-f35df340a609" xlink:href="utx-20200930.xsd#utx_PriorYearActionsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_a146321a-01da-45a2-83b0-8bebd98ed61b" xlink:to="loc_utx_PriorYearActionsMember_0362106e-fe3e-4bb5-b2c4-f35df340a609" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_TwoYearsPriorActionsMember_49032ea2-b340-4c10-8703-960a890b048e" xlink:href="utx-20200930.xsd#utx_TwoYearsPriorActionsMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_RestructuringAndRelatedCostsActionsByYearDomain_a146321a-01da-45a2-83b0-8bebd98ed61b" xlink:to="loc_utx_TwoYearsPriorActionsMember_49032ea2-b340-4c10-8703-960a890b048e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_12fae2ad-22fd-47da-af6a-72b471fd008a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d3ffff09-8646-4422-a4f2-7534c09c0d8d" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_12fae2ad-22fd-47da-af6a-72b471fd008a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_8aa55186-06fa-4a37-bb59-6d847838e728" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_12fae2ad-22fd-47da-af6a-72b471fd008a" xlink:to="loc_us-gaap_SegmentDomain_8aa55186-06fa-4a37-bb59-6d847838e728" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrattAndWhitneyMember_7057df71-b3d3-4258-a89d-8cf2582481c6" xlink:href="utx-20200930.xsd#utx_PrattAndWhitneyMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_8aa55186-06fa-4a37-bb59-6d847838e728" xlink:to="loc_utx_PrattAndWhitneyMember_7057df71-b3d3-4258-a89d-8cf2582481c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollinsAerospaceSystemsMember_86961aa4-b63e-419b-996c-7b4262ebfe7c" xlink:href="utx-20200930.xsd#utx_CollinsAerospaceSystemsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_8aa55186-06fa-4a37-bb59-6d847838e728" xlink:to="loc_utx_CollinsAerospaceSystemsMember_86961aa4-b63e-419b-996c-7b4262ebfe7c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_EliminationsAndOtherMember_5fdf71c5-bda0-4aaf-8fe4-7cfb0889ec05" xlink:href="utx-20200930.xsd#utx_EliminationsAndOtherMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_8aa55186-06fa-4a37-bb59-6d847838e728" xlink:to="loc_utx_EliminationsAndOtherMember_5fdf71c5-bda0-4aaf-8fe4-7cfb0889ec05" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_6fb5942d-fe08-41cf-a37f-cb02a60bd3ef" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d3ffff09-8646-4422-a4f2-7534c09c0d8d" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_6fb5942d-fe08-41cf-a37f-cb02a60bd3ef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_7765bc4a-dbef-47ac-b252-e8375e103842" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_6fb5942d-fe08-41cf-a37f-cb02a60bd3ef" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_7765bc4a-dbef-47ac-b252-e8375e103842" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CostOfSalesMember_bd70da12-44cf-4c16-983e-dbf31ee7e09a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CostOfSalesMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_7765bc4a-dbef-47ac-b252-e8375e103842" xlink:to="loc_us-gaap_CostOfSalesMember_bd70da12-44cf-4c16-983e-dbf31ee7e09a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_ff64aceb-c01f-46e4-866d-abd94f536beb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SellingGeneralAndAdministrativeExpensesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_7765bc4a-dbef-47ac-b252-e8375e103842" xlink:to="loc_us-gaap_SellingGeneralAndAdministrativeExpensesMember_ff64aceb-c01f-46e4-866d-abd94f536beb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_NonServicePensionIncomeExpenseMember_31233d0e-60dc-4a03-921c-665d1bb75088" xlink:href="utx-20200930.xsd#utx_NonServicePensionIncomeExpenseMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_7765bc4a-dbef-47ac-b252-e8375e103842" xlink:to="loc_utx_NonServicePensionIncomeExpenseMember_31233d0e-60dc-4a03-921c-665d1bb75088" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveAxis_6fdddad8-0548-405f-8324-f504c8db1697" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d3ffff09-8646-4422-a4f2-7534c09c0d8d" xlink:to="loc_us-gaap_RestructuringCostAndReserveAxis_6fdddad8-0548-405f-8324-f504c8db1697" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TypeOfRestructuringDomain_fba93e0d-6df8-48b3-9043-9f1d49a2c7c5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TypeOfRestructuringDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveAxis_6fdddad8-0548-405f-8324-f504c8db1697" xlink:to="loc_us-gaap_TypeOfRestructuringDomain_fba93e0d-6df8-48b3-9043-9f1d49a2c7c5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EmployeeSeveranceMember_e7c34268-5e3d-42cd-bd81-797ad1b5d1d7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EmployeeSeveranceMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_fba93e0d-6df8-48b3-9043-9f1d49a2c7c5" xlink:to="loc_us-gaap_EmployeeSeveranceMember_e7c34268-5e3d-42cd-bd81-797ad1b5d1d7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherRestructuringMember_2ba71fbd-99be-43f8-9c44-eb82d7834a9b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherRestructuringMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TypeOfRestructuringDomain_fba93e0d-6df8-48b3-9043-9f1d49a2c7c5" xlink:to="loc_us-gaap_OtherRestructuringMember_2ba71fbd-99be-43f8-9c44-eb82d7834a9b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_c6f03d62-8f9c-427c-948b-baae94966bc0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementOperatingActivitiesSegmentAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d3ffff09-8646-4422-a4f2-7534c09c0d8d" xlink:to="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_c6f03d62-8f9c-427c-948b-baae94966bc0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentOperatingActivitiesDomain_4a51e18d-5059-4869-b137-468582e33bf3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentOperatingActivitiesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementOperatingActivitiesSegmentAxis_c6f03d62-8f9c-427c-948b-baae94966bc0" xlink:to="loc_us-gaap_SegmentOperatingActivitiesDomain_4a51e18d-5059-4869-b137-468582e33bf3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentContinuingOperationsMember_f4b8d559-1fc0-4690-b406-514c78bec4b3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentContinuingOperationsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentOperatingActivitiesDomain_4a51e18d-5059-4869-b137-468582e33bf3" xlink:to="loc_us-gaap_SegmentContinuingOperationsMember_f4b8d559-1fc0-4690-b406-514c78bec4b3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCostAndReserveLineItems_66f4ef97-3575-49ad-a20b-c1cc4fb19d20" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfRestructuringAndRelatedCostsTable_d3ffff09-8646-4422-a4f2-7534c09c0d8d" xlink:to="loc_us-gaap_RestructuringCostAndReserveLineItems_66f4ef97-3575-49ad-a20b-c1cc4fb19d20" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringCharges_3d16333d-1f5d-4bb8-991a-d88f36618fe3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringCharges"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_66f4ef97-3575-49ad-a20b-c1cc4fb19d20" xlink:to="loc_us-gaap_RestructuringCharges_3d16333d-1f5d-4bb8-991a-d88f36618fe3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_6a6be311-8ebd-4e27-bd12-060252499f70" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringReserveTranslationAndOtherAdjustment"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_66f4ef97-3575-49ad-a20b-c1cc4fb19d20" xlink:to="loc_us-gaap_RestructuringReserveTranslationAndOtherAdjustment_6a6be311-8ebd-4e27-bd12-060252499f70" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringReserve_3eb6eec7-9274-40e1-84d4-b0fd887f15ea" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringReserve"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_66f4ef97-3575-49ad-a20b-c1cc4fb19d20" xlink:to="loc_us-gaap_RestructuringReserve_3eb6eec7-9274-40e1-84d4-b0fd887f15ea" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCostAbstract_e8467848-3542-4b16-b036-f0522e51d0e0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedCostExpectedCostAbstract"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringCostAndReserveLineItems_66f4ef97-3575-49ad-a20b-c1cc4fb19d20" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCostAbstract_e8467848-3542-4b16-b036-f0522e51d0e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_59e59e5e-0c3f-404a-8a4c-ccc04db6a5c6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedCostExpectedCost1"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedCostExpectedCostAbstract_e8467848-3542-4b16-b036-f0522e51d0e0" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCost1_59e59e5e-0c3f-404a-8a4c-ccc04db6a5c6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostIncurredCost_b7d1c112-c567-43fc-8656-be9a6963a9c8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedCostIncurredCost"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedCostExpectedCostAbstract_e8467848-3542-4b16-b036-f0522e51d0e0" xlink:to="loc_us-gaap_RestructuringAndRelatedCostIncurredCost_b7d1c112-c567-43fc-8656-be9a6963a9c8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1_90cd6cda-a72f-4c6f-ae90-2d7328f8dbca" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_RestructuringAndRelatedCostExpectedCostAbstract_e8467848-3542-4b16-b036-f0522e51d0e0" xlink:to="loc_us-gaap_RestructuringAndRelatedCostExpectedCostRemaining1_90cd6cda-a72f-4c6f-ae90-2d7328f8dbca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/FinancialInstruments" xlink:type="simple" xlink:href="utx-20200930.xsd#FinancialInstruments"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/FinancialInstruments" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_41710cde-5825-4ce0-887f-e8871b046e1b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_fd352bfb-e451-4ac3-8aef-2d21c42d870c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_41710cde-5825-4ce0-887f-e8871b046e1b" xlink:to="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_fd352bfb-e451-4ac3-8aef-2d21c42d870c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/FinancialInstrumentsTables" xlink:type="simple" xlink:href="utx-20200930.xsd#FinancialInstrumentsTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/FinancialInstrumentsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_2c1089a0-1cd9-46e2-9cd2-98df390cac94" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_3537ca9d-cb84-4e95-8f78-cfb343b7d187" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_2c1089a0-1cd9-46e2-9cd2-98df390cac94" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_3537ca9d-cb84-4e95-8f78-cfb343b7d187" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationAxis_e73906af-55d2-4188-9848-0b872570b189" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_3537ca9d-cb84-4e95-8f78-cfb343b7d187" xlink:to="loc_us-gaap_IncomeStatementLocationAxis_e73906af-55d2-4188-9848-0b872570b189" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IncomeStatementLocationDomain_18ebb3f3-4007-4b90-b2a5-75eb04f4b2da" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IncomeStatementLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationAxis_e73906af-55d2-4188-9848-0b872570b189" xlink:to="loc_us-gaap_IncomeStatementLocationDomain_18ebb3f3-4007-4b90-b2a5-75eb04f4b2da" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherIncomeMember_675fc7d4-7f55-4ebd-8419-0d27589ad9d1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherIncomeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_IncomeStatementLocationDomain_18ebb3f3-4007-4b90-b2a5-75eb04f4b2da" xlink:to="loc_us-gaap_OtherIncomeMember_675fc7d4-7f55-4ebd-8419-0d27589ad9d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_8cc36b40-2140-4616-846f-ee21ffd6fdbd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_3537ca9d-cb84-4e95-8f78-cfb343b7d187" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_8cc36b40-2140-4616-846f-ee21ffd6fdbd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ac677c20-d370-4270-96cb-e646406086d4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationAxis_8cc36b40-2140-4616-846f-ee21ffd6fdbd" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ac677c20-d370-4270-96cb-e646406086d4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_a5b76800-a873-4da2-8359-7ac56c4fe80f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OtherComprehensiveIncomeLocationDomain_ac677c20-d370-4270-96cb-e646406086d4" xlink:to="loc_us-gaap_ReclassificationOutOfAccumulatedOtherComprehensiveIncomeMember_a5b76800-a873-4da2-8359-7ac56c4fe80f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3139b13f-e3c5-43e8-92fb-27c5c77838fe" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsGainLossLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_3537ca9d-cb84-4e95-8f78-cfb343b7d187" xlink:to="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3139b13f-e3c5-43e8-92fb-27c5c77838fe" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_933195ad-affc-4b40-b2d5-e21c156a3b37" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3139b13f-e3c5-43e8-92fb-27c5c77838fe" xlink:to="loc_us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_933195ad-affc-4b40-b2d5-e21c156a3b37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_0488b0ad-6f3e-4fe1-b1bf-60c7a1d8777c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsGainLossLineItems_3139b13f-e3c5-43e8-92fb-27c5c77838fe" xlink:to="loc_us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_0488b0ad-6f3e-4fe1-b1bf-60c7a1d8777c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/FinancialInstrumentsDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#FinancialInstrumentsDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/FinancialInstrumentsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_aeec5879-2707-40a6-8c4a-945ea4810412" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_bea26bb9-40a3-4433-9244-bbfa2f731853" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_aeec5879-2707-40a6-8c4a-945ea4810412" xlink:to="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_bea26bb9-40a3-4433-9244-bbfa2f731853" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_b2c69f28-8a0c-4e4c-a546-c40a124b7511" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_bea26bb9-40a3-4433-9244-bbfa2f731853" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_b2c69f28-8a0c-4e4c-a546-c40a124b7511" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_6150e83e-9e7c-495d-8d25-0de9d5cfdac7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_b2c69f28-8a0c-4e4c-a546-c40a124b7511" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_6150e83e-9e7c-495d-8d25-0de9d5cfdac7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCurrentAssetsMember_0e451266-6759-4f3e-905d-20758c99aba4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCurrentAssetsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_6150e83e-9e7c-495d-8d25-0de9d5cfdac7" xlink:to="loc_us-gaap_OtherCurrentAssetsMember_0e451266-6759-4f3e-905d-20758c99aba4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccruedLiabilitiesMember_edc82a3f-d49f-493f-9970-6c9bd0e42317" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccruedLiabilitiesMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationDomain_6150e83e-9e7c-495d-8d25-0de9d5cfdac7" xlink:to="loc_us-gaap_AccruedLiabilitiesMember_edc82a3f-d49f-493f-9970-6c9bd0e42317" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativesFairValueLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_bea26bb9-40a3-4433-9244-bbfa2f731853" xlink:to="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeNotionalAmount_8b853337-eb8b-4ea8-9520-13c5e2f43613" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeNotionalAmount"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:to="loc_us-gaap_DerivativeNotionalAmount_8b853337-eb8b-4ea8-9520-13c5e2f43613" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue_b5378fb5-0aa6-4d0e-ae76-ced077f77b22" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeAssetAtFairValue_b5378fb5-0aa6-4d0e-ae76-ced077f77b22" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue_9e10a01a-8f94-4772-b10b-be2f54a01dd8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeLiabilityAtFairValue_9e10a01a-8f94-4772-b10b-be2f54a01dd8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_b2059cd9-3086-48c8-bec7-148f85d10729" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:to="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsAssetAtFairValue_b2059cd9-3086-48c8-bec7-148f85d10729" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_e22e1b79-1e5f-4e3d-8dda-4eb495e3ef0d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:to="loc_us-gaap_ForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstrumentsLiabilityAtFairValue_e22e1b79-1e5f-4e3d-8dda-4eb495e3ef0d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_faa1ac9a-9d41-4956-b346-f07fe08f5671" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:to="loc_us-gaap_UnrealizedGainLossOnForeignCurrencyDerivativesNetBeforeTax_faa1ac9a-9d41-4956-b346-f07fe08f5671" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet_189535ca-aec6-44bd-9576-b5a43d88ef49" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossReclassifiedToEarningsNet_189535ca-aec6-44bd-9576-b5a43d88ef49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_LongTermDebtEuroDenominated_1a9287d8-51af-4835-a7b7-c2fad506bdae" xlink:href="utx-20200930.xsd#utx_LongTermDebtEuroDenominated"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:to="loc_utx_LongTermDebtEuroDenominated_1a9287d8-51af-4835-a7b7-c2fad506bdae" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_debe5e00-f75d-4dca-8bc4-4aad548a1885" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:to="loc_us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months_debe5e00-f75d-4dca-8bc4-4aad548a1885" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_bee775c7-7c9d-48b9-9b8b-08b785f93310" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_DerivativesFairValueLineItems_dcb090d8-09b1-486c-9014-0deac6b00b90" xlink:to="loc_us-gaap_GainLossOnForeignCurrencyDerivativeInstrumentsNotDesignatedAsHedgingInstruments_bee775c7-7c9d-48b9-9b8b-08b785f93310" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/FairValueMeasurements" xlink:type="simple" xlink:href="utx-20200930.xsd#FairValueMeasurements"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/FairValueMeasurements" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_b8ecbe7b-69fc-44e2-acc8-e50d8efdd8ce" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresTextBlock_053cb243-abe6-4430-8a7e-fa2013fd4b4e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_b8ecbe7b-69fc-44e2-acc8-e50d8efdd8ce" xlink:to="loc_us-gaap_FairValueDisclosuresTextBlock_053cb243-abe6-4430-8a7e-fa2013fd4b4e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/FairValueMeasurementsTables" xlink:type="simple" xlink:href="utx-20200930.xsd#FairValueMeasurementsTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/FairValueMeasurementsTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_322364d7-d848-4fcc-8378-61d893b6032a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_7cc3509b-891e-4a14-a6f5-a26d38866acf" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_322364d7-d848-4fcc-8378-61d893b6032a" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTableTextBlock_7cc3509b-891e-4a14-a6f5-a26d38866acf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_9a68c560-ca7c-4cf6-87a0-e52700e4314c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByBalanceSheetGroupingTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_322364d7-d848-4fcc-8378-61d893b6032a" xlink:to="loc_us-gaap_FairValueByBalanceSheetGroupingTextBlock_9a68c560-ca7c-4cf6-87a0-e52700e4314c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/FairValueMeasurementsFairValueHierarchyClassificationDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#FairValueMeasurementsFairValueHierarchyClassificationDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/FairValueMeasurementsFairValueHierarchyClassificationDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosuresAbstract_52d35c1d-1140-4cd3-b7ea-2c50b2be7fc9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosuresAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1bf4aee6-9e38-4846-a664-9af1c0c1304b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosuresAbstract_52d35c1d-1140-4cd3-b7ea-2c50b2be7fc9" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1bf4aee6-9e38-4846-a664-9af1c0c1304b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementFrequencyAxis_4249fcb4-3dcc-436a-8bb6-24d89794cbe0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementFrequencyAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1bf4aee6-9e38-4846-a664-9af1c0c1304b" xlink:to="loc_us-gaap_FairValueByMeasurementFrequencyAxis_4249fcb4-3dcc-436a-8bb6-24d89794cbe0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementFrequencyDomain_69d34b88-aab0-4ca0-9e4d-5654f1064670" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementFrequencyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementFrequencyAxis_4249fcb4-3dcc-436a-8bb6-24d89794cbe0" xlink:to="loc_us-gaap_FairValueMeasurementFrequencyDomain_69d34b88-aab0-4ca0-9e4d-5654f1064670" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsRecurringMember_f2257e1d-a1ea-440c-9c97-757f6c264b31" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsRecurringMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementFrequencyDomain_69d34b88-aab0-4ca0-9e4d-5654f1064670" xlink:to="loc_us-gaap_FairValueMeasurementsRecurringMember_f2257e1d-a1ea-440c-9c97-757f6c264b31" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4bbccb9e-9f67-4fc9-b85e-dd802fe31724" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1bf4aee6-9e38-4846-a664-9af1c0c1304b" xlink:to="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4bbccb9e-9f67-4fc9-b85e-dd802fe31724" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_83271cc1-8630-4762-a9f6-b31641d9b700" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueMeasurementsFairValueHierarchyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByFairValueHierarchyLevelAxis_4bbccb9e-9f67-4fc9-b85e-dd802fe31724" xlink:to="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_83271cc1-8630-4762-a9f6-b31641d9b700" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel1Member_6bae86a0-4464-4944-ba79-e13376c16ee2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel1Member"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_83271cc1-8630-4762-a9f6-b31641d9b700" xlink:to="loc_us-gaap_FairValueInputsLevel1Member_6bae86a0-4464-4944-ba79-e13376c16ee2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel2Member_a3947632-6909-495f-81e7-81a9d8b13ece" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel2Member"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_83271cc1-8630-4762-a9f6-b31641d9b700" xlink:to="loc_us-gaap_FairValueInputsLevel2Member_a3947632-6909-495f-81e7-81a9d8b13ece" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueInputsLevel3Member_20c07b56-769b-4cd3-b648-29f7b5d53fbb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueInputsLevel3Member"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueMeasurementsFairValueHierarchyDomain_83271cc1-8630-4762-a9f6-b31641d9b700" xlink:to="loc_us-gaap_FairValueInputsLevel3Member_20c07b56-769b-4cd3-b648-29f7b5d53fbb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueByMeasurementBasisAxis_254806d7-0541-47fb-aa7e-bb6cfec96f9d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueByMeasurementBasisAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1bf4aee6-9e38-4846-a664-9af1c0c1304b" xlink:to="loc_us-gaap_FairValueByMeasurementBasisAxis_254806d7-0541-47fb-aa7e-bb6cfec96f9d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureItemAmountsDomain_11460c9a-5ac9-4999-a51b-e13404aabd66" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosureItemAmountsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueByMeasurementBasisAxis_254806d7-0541-47fb-aa7e-bb6cfec96f9d" xlink:to="loc_us-gaap_FairValueDisclosureItemAmountsDomain_11460c9a-5ac9-4999-a51b-e13404aabd66" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember_93155d1a-9e96-4496-9c7d-a6a2e783828f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_11460c9a-5ac9-4999-a51b-e13404aabd66" xlink:to="loc_us-gaap_PortionAtOtherThanFairValueFairValueDisclosureMember_93155d1a-9e96-4496-9c7d-a6a2e783828f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_86029ee9-b9e8-4eac-9e33-ea1e3b6b5734" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_PortionAtFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_11460c9a-5ac9-4999-a51b-e13404aabd66" xlink:to="loc_us-gaap_PortionAtFairValueFairValueDisclosureMember_86029ee9-b9e8-4eac-9e33-ea1e3b6b5734" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_ba05f6f9-0959-437c-9a84-42dd1d1699df" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EstimateOfFairValueFairValueDisclosureMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueDisclosureItemAmountsDomain_11460c9a-5ac9-4999-a51b-e13404aabd66" xlink:to="loc_us-gaap_EstimateOfFairValueFairValueDisclosureMember_ba05f6f9-0959-437c-9a84-42dd1d1699df" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4104d770-a623-4445-a4c0-ff5fb6908a93" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_1bf4aee6-9e38-4846-a664-9af1c0c1304b" xlink:to="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4104d770-a623-4445-a4c0-ff5fb6908a93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_InvestmentsFairValueDisclosure_db0f173e-9ce5-4265-b4c0-1814a5294370" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_InvestmentsFairValueDisclosure"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4104d770-a623-4445-a4c0-ff5fb6908a93" xlink:to="loc_us-gaap_InvestmentsFairValueDisclosure_db0f173e-9ce5-4265-b4c0-1814a5294370" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MarketableSecuritiesNoncurrent_12dd1da3-a9ad-4ec3-ac9e-3aeef811de81" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MarketableSecuritiesNoncurrent"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4104d770-a623-4445-a4c0-ff5fb6908a93" xlink:to="loc_us-gaap_MarketableSecuritiesNoncurrent_12dd1da3-a9ad-4ec3-ac9e-3aeef811de81" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeAssets_7319819a-8e3b-48e7-8338-48b5ce69a394" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeAssets"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4104d770-a623-4445-a4c0-ff5fb6908a93" xlink:to="loc_us-gaap_DerivativeAssets_7319819a-8e3b-48e7-8338-48b5ce69a394" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DerivativeLiabilities_8faca0f4-121e-49b1-9a92-558b0fca62f1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DerivativeLiabilities"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4104d770-a623-4445-a4c0-ff5fb6908a93" xlink:to="loc_us-gaap_DerivativeLiabilities_8faca0f4-121e-49b1-9a92-558b0fca62f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CustomerFinancingNotesReceivableFairValueDisclosure_4189c8c1-c215-4206-ad44-30b92a17ce16" xlink:href="utx-20200930.xsd#utx_CustomerFinancingNotesReceivableFairValueDisclosure"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4104d770-a623-4445-a4c0-ff5fb6908a93" xlink:to="loc_utx_CustomerFinancingNotesReceivableFairValueDisclosure_4189c8c1-c215-4206-ad44-30b92a17ce16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ShortTermBorrowings_666f078c-9e4f-49cb-a6dd-6b8b4fa5cd24" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ShortTermBorrowings"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4104d770-a623-4445-a4c0-ff5fb6908a93" xlink:to="loc_us-gaap_ShortTermBorrowings_666f078c-9e4f-49cb-a6dd-6b8b4fa5cd24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_LongTermDebtExcludingCapitalizedLeasesFairValueDisclosure_479e0346-facb-438b-899a-4c68e2c076a0" xlink:href="utx-20200930.xsd#utx_LongTermDebtExcludingCapitalizedLeasesFairValueDisclosure"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4104d770-a623-4445-a4c0-ff5fb6908a93" xlink:to="loc_utx_LongTermDebtExcludingCapitalizedLeasesFairValueDisclosure_479e0346-facb-438b-899a-4c68e2c076a0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherLongTermLiabilitiesFairValueDisclosure_cbc2770e-8c78-4464-a833-47de28587ee7" xlink:href="utx-20200930.xsd#utx_OtherLongTermLiabilitiesFairValueDisclosure"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_4104d770-a623-4445-a4c0-ff5fb6908a93" xlink:to="loc_utx_OtherLongTermLiabilitiesFairValueDisclosure_cbc2770e-8c78-4464-a833-47de28587ee7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccumulatedOtherComprehensiveLoss" xlink:type="simple" xlink:href="utx-20200930.xsd#AccumulatedOtherComprehensiveLoss"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccumulatedOtherComprehensiveLoss" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_c198cb40-e74f-4f0b-a3f6-fb67328ecb9f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_16d33998-cbaa-419d-afc4-e6cb65087140" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ComprehensiveIncomeNoteTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_c198cb40-e74f-4f0b-a3f6-fb67328ecb9f" xlink:to="loc_us-gaap_ComprehensiveIncomeNoteTextBlock_16d33998-cbaa-419d-afc4-e6cb65087140" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccumulatedOtherComprehensiveLossTables" xlink:type="simple" xlink:href="utx-20200930.xsd#AccumulatedOtherComprehensiveLossTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccumulatedOtherComprehensiveLossTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_6645ea78-6030-4406-8240-0acac2328c2a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_cfa15d90-a40b-47ab-b119-0dc041d6145b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_6645ea78-6030-4406-8240-0acac2328c2a" xlink:to="loc_us-gaap_ScheduleOfAccumulatedOtherComprehensiveIncomeLossTableTextBlock_cfa15d90-a40b-47ab-b119-0dc041d6145b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/AccumulatedOtherComprehensiveLossSummaryofChangesinAOCIDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#AccumulatedOtherComprehensiveLossSummaryofChangesinAOCIDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/AccumulatedOtherComprehensiveLossSummaryofChangesinAOCIDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_ae7b6bc6-b476-45ac-9a31-d24c203ab389" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_fa8dcea2-3e32-4ba8-b49d-3e84aaac683f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTaxAbstract_ae7b6bc6-b476-45ac-9a31-d24c203ab389" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_fa8dcea2-3e32-4ba8-b49d-3e84aaac683f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementEquityComponentsAxis_82264698-eeef-4465-bc12-f193e525f19c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementEquityComponentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_fa8dcea2-3e32-4ba8-b49d-3e84aaac683f" xlink:to="loc_us-gaap_StatementEquityComponentsAxis_82264698-eeef-4465-bc12-f193e525f19c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquityComponentDomain_77c1b250-6ded-4cec-a696-af50efd0bb72" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquityComponentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementEquityComponentsAxis_82264698-eeef-4465-bc12-f193e525f19c" xlink:to="loc_us-gaap_EquityComponentDomain_77c1b250-6ded-4cec-a696-af50efd0bb72" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedTranslationAdjustmentMember_9b6b6f97-753b-434b-b3a9-f302b96d1b21" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedTranslationAdjustmentMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_77c1b250-6ded-4cec-a696-af50efd0bb72" xlink:to="loc_us-gaap_AccumulatedTranslationAdjustmentMember_9b6b6f97-753b-434b-b3a9-f302b96d1b21" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_a52d7618-94ed-46bf-be29-8f0639ed467a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_77c1b250-6ded-4cec-a696-af50efd0bb72" xlink:to="loc_us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember_a52d7618-94ed-46bf-be29-8f0639ed467a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_c7f43871-f507-4251-879d-5cd36b7125d5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquityComponentDomain_77c1b250-6ded-4cec-a696-af50efd0bb72" xlink:to="loc_us-gaap_AccumulatedGainLossNetCashFlowHedgeParentMember_c7f43871-f507-4251-879d-5cd36b7125d5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_fa8dcea2-3e32-4ba8-b49d-3e84aaac683f" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_d613a7b9-a2d9-4a28-85b0-4544f7a12416" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_d613a7b9-a2d9-4a28-85b0-4544f7a12416" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_47093e68-8602-4049-b8df-83f23926a4c9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeForeignCurrencyTransactionAndTranslationGainLossBeforeReclassificationAndTax_47093e68-8602-4049-b8df-83f23926a4c9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/verboseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax_2e81588e-1a4f-4bb2-b9e8-888fba90e388" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationBeforeTax_2e81588e-1a4f-4bb2-b9e8-888fba90e388" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax_4c3935f2-aee4-42be-a46f-33d9ecf2ca4c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationReclassificationAdjustmentFromAOCIRealizedUponSaleOrLiquidationTax_4c3935f2-aee4-42be-a46f-33d9ecf2ca4c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherComprehensiveIncomeLossForeignCurrencyTransactionEffectOfSeparationOfOtisAndCarrier_abc3e5b0-ad88-49b8-9318-3f06de0a5581" xlink:href="utx-20200930.xsd#utx_OtherComprehensiveIncomeLossForeignCurrencyTransactionEffectOfSeparationOfOtisAndCarrier"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_utx_OtherComprehensiveIncomeLossForeignCurrencyTransactionEffectOfSeparationOfOtisAndCarrier_abc3e5b0-ad88-49b8-9318-3f06de0a5581" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherComprehensiveIncomeLossASU201802adoptionimpactonforeigncurrencytranslationArisingDuringPeriod_a7385c85-d7ae-4a64-930e-7b5ea487743d" xlink:href="utx-20200930.xsd#utx_OtherComprehensiveIncomeLossASU201802adoptionimpactonforeigncurrencytranslationArisingDuringPeriod"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_utx_OtherComprehensiveIncomeLossASU201802adoptionimpactonforeigncurrencytranslationArisingDuringPeriod_a7385c85-d7ae-4a64-930e-7b5ea487743d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax_051dfbb8-fd41-4e9d-ac38-d0b1591ca272" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossPensionAndOtherPostretirementBenefitPlansAdjustmentBeforeReclassificationAdjustmentsNetOfTax_051dfbb8-fd41-4e9d-ac38-d0b1591ca272" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_3a9c90bc-3b79-49ad-a4e7-1f8ddca9865b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossAmortizationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansForNetPriorServiceCostCreditBeforeTax_3a9c90bc-3b79-49ad-a4e7-1f8ddca9865b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax_457b74e0-7b4b-46f6-a3bf-1af28fa8c8cb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax"/>
    <link:presentationArc order="9" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIPensionAndOtherPostretirementBenefitPlansTax_457b74e0-7b4b-46f6-a3bf-1af28fa8c8cb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherComprehensiveIncomeLossDefinedBenefitPlanEffectOfSeparationOfOtisAndCarrier_804170f3-964a-459a-8189-32670becd801" xlink:href="utx-20200930.xsd#utx_OtherComprehensiveIncomeLossDefinedBenefitPlanEffectOfSeparationOfOtisAndCarrier"/>
    <link:presentationArc order="10" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_utx_OtherComprehensiveIncomeLossDefinedBenefitPlanEffectOfSeparationOfOtisAndCarrier_804170f3-964a-459a-8189-32670becd801" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherComprehensiveIncomeLossASU201802adoptionimpactonDefinedBenefitPlanArisingDuringPeriod_521125d9-18cf-4c09-9cdd-c770e150e2fd" xlink:href="utx-20200930.xsd#utx_OtherComprehensiveIncomeLossASU201802adoptionimpactonDefinedBenefitPlanArisingDuringPeriod"/>
    <link:presentationArc order="11" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_utx_OtherComprehensiveIncomeLossASU201802adoptionimpactonDefinedBenefitPlanArisingDuringPeriod_521125d9-18cf-4c09-9cdd-c770e150e2fd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_0b1040ba-ac79-4143-a633-2390910bf7b6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax"/>
    <link:presentationArc order="12" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeUnrealizedGainLossOnDerivativesArisingDuringPeriodNetOfTax_0b1040ba-ac79-4143-a633-2390910bf7b6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_78ea88cc-8c5f-4679-a9e4-e29169f54812" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax"/>
    <link:presentationArc order="13" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesBeforeTax_78ea88cc-8c5f-4679-a9e4-e29169f54812" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_7930f87f-7a79-4787-98f0-480c121c8aef" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax"/>
    <link:presentationArc order="14" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_OtherComprehensiveIncomeLossReclassificationAdjustmentFromAOCIOnDerivativesTax_7930f87f-7a79-4787-98f0-480c121c8aef" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherComprehensiveIncomeLossUnrealizedGainLossOnDerivativesEffectOfSeparationOfOtisAndCarrier_bec4bd00-0c9e-49d0-b2ad-c4d838693e57" xlink:href="utx-20200930.xsd#utx_OtherComprehensiveIncomeLossUnrealizedGainLossOnDerivativesEffectOfSeparationOfOtisAndCarrier"/>
    <link:presentationArc order="15" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_utx_OtherComprehensiveIncomeLossUnrealizedGainLossOnDerivativesEffectOfSeparationOfOtisAndCarrier_bec4bd00-0c9e-49d0-b2ad-c4d838693e57" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherComprehensiveIncomeLossASU201802adoptionimpactonDerivativesArisingDuringPeriod_dbac4852-5ef1-49c5-9715-ef57ef7fcdc4" xlink:href="utx-20200930.xsd#utx_OtherComprehensiveIncomeLossASU201802adoptionimpactonDerivativesArisingDuringPeriod"/>
    <link:presentationArc order="16" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_utx_OtherComprehensiveIncomeLossASU201802adoptionimpactonDerivativesArisingDuringPeriod_dbac4852-5ef1-49c5-9715-ef57ef7fcdc4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_772b786d-cfaa-44cd-94d1-bbda264cd5d9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent"/>
    <link:presentationArc order="17" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_OciBeforeReclassificationsBeforeTaxAttributableToParent_772b786d-cfaa-44cd-94d1-bbda264cd5d9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_7e82ee9d-4b04-41b7-adbc-22ea3796a387" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent"/>
    <link:presentationArc order="18" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodBeforeTaxAttributableToParent_7e82ee9d-4b04-41b7-adbc-22ea3796a387" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_a5d22989-69b7-4778-9fb0-b0663142e392" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReclassificationFromAociCurrentPeriodTax"/>
    <link:presentationArc order="19" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_ReclassificationFromAociCurrentPeriodTax_a5d22989-69b7-4778-9fb0-b0663142e392" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherComprehensiveIncomeLossEffectOfSeparationOfOtisAndCarrier_e4d9a98d-1f99-423f-93a4-de85279dcd58" xlink:href="utx-20200930.xsd#utx_OtherComprehensiveIncomeLossEffectOfSeparationOfOtisAndCarrier"/>
    <link:presentationArc order="20" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_utx_OtherComprehensiveIncomeLossEffectOfSeparationOfOtisAndCarrier_e4d9a98d-1f99-423f-93a4-de85279dcd58" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ReclassificationfromOCIcurrentperiodASU201802adoptionimpact_d50be1d5-928c-44f3-86ae-9bacaf0f6bed" xlink:href="utx-20200930.xsd#utx_ReclassificationfromOCIcurrentperiodASU201802adoptionimpact"/>
    <link:presentationArc order="21" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_utx_ReclassificationfromOCIcurrentperiodASU201802adoptionimpact_d50be1d5-928c-44f3-86ae-9bacaf0f6bed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_52b0a29f-841d-4c38-839c-220b6177a23b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1"/>
    <link:presentationArc order="22" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_6700b348-a1d2-476d-b9fe-97374a9b24e0" xlink:to="loc_us-gaap_DefinedBenefitPlanRecognizedNetGainLossDueToSettlementsAndCurtailments1_52b0a29f-841d-4c38-839c-220b6177a23b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/VariableInterestEntities" xlink:type="simple" xlink:href="utx-20200930.xsd#VariableInterestEntities"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/VariableInterestEntities" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_9ab211bc-28f2-46d8-83fe-9a41a42d6f6d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityDisclosureTextBlock_fdc895f4-cd40-4ce9-9e02-5af570bdf359" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntityDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_9ab211bc-28f2-46d8-83fe-9a41a42d6f6d" xlink:to="loc_us-gaap_VariableInterestEntityDisclosureTextBlock_fdc895f4-cd40-4ce9-9e02-5af570bdf359" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/VariableInterestEntitiesTables" xlink:type="simple" xlink:href="utx-20200930.xsd#VariableInterestEntitiesTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/VariableInterestEntitiesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_9c125f63-2a4b-4dca-be67-3bd3a2c3ab38" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_b42dc650-4a11-4f77-bd1b-bb61d9b515ec" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_9c125f63-2a4b-4dca-be67-3bd3a2c3ab38" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_b42dc650-4a11-4f77-bd1b-bb61d9b515ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/VariableInterestEntitiesDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#VariableInterestEntitiesDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/VariableInterestEntitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_2e659577-6371-49b2-866a-85807157094b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_82eda4ea-d147-4785-9650-50f0936b128c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfVariableInterestEntitiesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_2e659577-6371-49b2-866a-85807157094b" xlink:to="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_82eda4ea-d147-4785-9650-50f0936b128c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_f9582719-5172-4ae0-9d99-2d04b983aae7" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_82eda4ea-d147-4785-9650-50f0936b128c" xlink:to="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_f9582719-5172-4ae0-9d99-2d04b983aae7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_29d8b152-f54f-4900-bc4f-2774a002e08f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ClassificationOfVariableInterestEntityDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntitiesByClassificationOfEntityAxis_f9582719-5172-4ae0-9d99-2d04b983aae7" xlink:to="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_29d8b152-f54f-4900-bc4f-2774a002e08f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_InternationalAeroEnginesAGMember_3531d2b6-85a5-439f-b5cb-ad5492d66d42" xlink:href="utx-20200930.xsd#utx_InternationalAeroEnginesAGMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_29d8b152-f54f-4900-bc4f-2774a002e08f" xlink:to="loc_utx_InternationalAeroEnginesAGMember_3531d2b6-85a5-439f-b5cb-ad5492d66d42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_InternationalAeroEnginesLLCMember_3bc69a3c-759e-4c6e-a0a0-8c9f23a0cd51" xlink:href="utx-20200930.xsd#utx_InternationalAeroEnginesLLCMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ClassificationOfVariableInterestEntityDomain_29d8b152-f54f-4900-bc4f-2774a002e08f" xlink:to="loc_utx_InternationalAeroEnginesLLCMember_3bc69a3c-759e-4c6e-a0a0-8c9f23a0cd51" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesAxis_08c3ecd9-55aa-4e56-a6d2-a9b44dc3f0fc" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_82eda4ea-d147-4785-9650-50f0936b128c" xlink:to="loc_srt_ConsolidatedEntitiesAxis_08c3ecd9-55aa-4e56-a6d2-a9b44dc3f0fc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidatedEntitiesDomain_cbaf9d88-20de-4355-94b3-5b974335466e" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidatedEntitiesDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesAxis_08c3ecd9-55aa-4e56-a6d2-a9b44dc3f0fc" xlink:to="loc_srt_ConsolidatedEntitiesDomain_cbaf9d88-20de-4355-94b3-5b974335466e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_732a782d-ef04-422e-b9bb-6e6159f354db" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntityPrimaryBeneficiaryMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidatedEntitiesDomain_cbaf9d88-20de-4355-94b3-5b974335466e" xlink:to="loc_us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_732a782d-ef04-422e-b9bb-6e6159f354db" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityLineItems_f25ee78c-cd68-42eb-bb0a-996be0ca8d77" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntityLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfVariableInterestEntitiesTable_82eda4ea-d147-4785-9650-50f0936b128c" xlink:to="loc_us-gaap_VariableInterestEntityLineItems_f25ee78c-cd68-42eb-bb0a-996be0ca8d77" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_VariableInterestEntityQualitativeOfQuantitativeInformationNetPercentage_42f3b0ce-6d97-4836-bc72-4bb87d87cc13" xlink:href="utx-20200930.xsd#utx_VariableInterestEntityQualitativeOfQuantitativeInformationNetPercentage"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_f25ee78c-cd68-42eb-bb0a-996be0ca8d77" xlink:to="loc_utx_VariableInterestEntityQualitativeOfQuantitativeInformationNetPercentage_42f3b0ce-6d97-4836-bc72-4bb87d87cc13" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_VariableInterestEntityOwnershipPercentage_766edeee-c231-4f29-80e5-2dc538421636" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_VariableInterestEntityOwnershipPercentage"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_f25ee78c-cd68-42eb-bb0a-996be0ca8d77" xlink:to="loc_us-gaap_VariableInterestEntityOwnershipPercentage_766edeee-c231-4f29-80e5-2dc538421636" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsCurrent_7aa7aa63-5d44-4a60-8414-96bd3f31220a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsCurrent"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_f25ee78c-cd68-42eb-bb0a-996be0ca8d77" xlink:to="loc_us-gaap_AssetsCurrent_7aa7aa63-5d44-4a60-8414-96bd3f31220a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AssetsNoncurrent_07de7cf3-bcee-4da2-bcca-55710356cb27" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AssetsNoncurrent"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_f25ee78c-cd68-42eb-bb0a-996be0ca8d77" xlink:to="loc_us-gaap_AssetsNoncurrent_07de7cf3-bcee-4da2-bcca-55710356cb27" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_bdc35d30-672e-4085-a438-d1c2d0e3c65e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_f25ee78c-cd68-42eb-bb0a-996be0ca8d77" xlink:to="loc_us-gaap_Assets_bdc35d30-672e-4085-a438-d1c2d0e3c65e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesCurrent_d798d5c1-f442-4996-bcc6-58a84105a046" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesCurrent"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_f25ee78c-cd68-42eb-bb0a-996be0ca8d77" xlink:to="loc_us-gaap_LiabilitiesCurrent_d798d5c1-f442-4996-bcc6-58a84105a046" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LiabilitiesNoncurrent_ca2be7a3-4812-4dcc-a266-14adf8f10ceb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LiabilitiesNoncurrent"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_f25ee78c-cd68-42eb-bb0a-996be0ca8d77" xlink:to="loc_us-gaap_LiabilitiesNoncurrent_ca2be7a3-4812-4dcc-a266-14adf8f10ceb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Liabilities_0e02ff02-96ac-4115-9dfd-9e9da68b7615" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Liabilities"/>
    <link:presentationArc order="8" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_VariableInterestEntityLineItems_f25ee78c-cd68-42eb-bb0a-996be0ca8d77" xlink:to="loc_us-gaap_Liabilities_0e02ff02-96ac-4115-9dfd-9e9da68b7615" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/Guarantees" xlink:type="simple" xlink:href="utx-20200930.xsd#Guarantees"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/Guarantees" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_utx_ServiceandProductWarrantiesandProductPerformanceGuaranteesAbstract_c03f16df-7f83-419b-b8fc-e685f484971b" xlink:href="utx-20200930.xsd#utx_ServiceandProductWarrantiesandProductPerformanceGuaranteesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteesTextBlock_ea0188f8-9d33-4271-9a29-753a42e59a8d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GuaranteesTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ServiceandProductWarrantiesandProductPerformanceGuaranteesAbstract_c03f16df-7f83-419b-b8fc-e685f484971b" xlink:to="loc_us-gaap_GuaranteesTextBlock_ea0188f8-9d33-4271-9a29-753a42e59a8d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/GuaranteesTables" xlink:type="simple" xlink:href="utx-20200930.xsd#GuaranteesTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/GuaranteesTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_utx_ServiceandProductWarrantiesandProductPerformanceGuaranteesAbstract_95508419-6b28-47fc-a899-65560f59b46d" xlink:href="utx-20200930.xsd#utx_ServiceandProductWarrantiesandProductPerformanceGuaranteesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ScheduleOfGuaranteesTableTextBlock_388055c3-f06d-46c2-8293-6183923e9977" xlink:href="utx-20200930.xsd#utx_ScheduleOfGuaranteesTableTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ServiceandProductWarrantiesandProductPerformanceGuaranteesAbstract_95508419-6b28-47fc-a899-65560f59b46d" xlink:to="loc_utx_ScheduleOfGuaranteesTableTextBlock_388055c3-f06d-46c2-8293-6183923e9977" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_0584bf25-76bd-464a-8914-f897d3605000" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ServiceandProductWarrantiesandProductPerformanceGuaranteesAbstract_95508419-6b28-47fc-a899-65560f59b46d" xlink:to="loc_us-gaap_ScheduleOfProductWarrantyLiabilityTableTextBlock_0584bf25-76bd-464a-8914-f897d3605000" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/GuaranteesDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#GuaranteesDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/GuaranteesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_utx_ServiceandProductWarrantiesandProductPerformanceGuaranteesAbstract_379f18f5-b447-4fd7-a0f0-7b7c74676dd4" xlink:href="utx-20200930.xsd#utx_ServiceandProductWarrantiesandProductPerformanceGuaranteesAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyLiabilityTable_779c14ee-47ab-4db3-b7d3-a19ca08f91d3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductWarrantyLiabilityTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_ServiceandProductWarrantiesandProductPerformanceGuaranteesAbstract_379f18f5-b447-4fd7-a0f0-7b7c74676dd4" xlink:to="loc_us-gaap_ProductWarrantyLiabilityTable_779c14ee-47ab-4db3-b7d3-a19ca08f91d3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationAxis_32bd2a6f-c4be-4612-8460-4ac4a9fcf610" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantyLiabilityTable_779c14ee-47ab-4db3-b7d3-a19ca08f91d3" xlink:to="loc_us-gaap_BalanceSheetLocationAxis_32bd2a6f-c4be-4612-8460-4ac4a9fcf610" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_BalanceSheetLocationDomain_7caba241-da36-4cd2-a45c-76197d70c13d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_BalanceSheetLocationDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_BalanceSheetLocationAxis_32bd2a6f-c4be-4612-8460-4ac4a9fcf610" xlink:to="loc_us-gaap_BalanceSheetLocationDomain_7caba241-da36-4cd2-a45c-76197d70c13d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsByNatureAxis_cf5a195a-9c23-4c47-a103-bf0bbb5a4572" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GuaranteeObligationsByNatureAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantyLiabilityTable_779c14ee-47ab-4db3-b7d3-a19ca08f91d3" xlink:to="loc_us-gaap_GuaranteeObligationsByNatureAxis_cf5a195a-9c23-4c47-a103-bf0bbb5a4572" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsNatureDomain_429be6f9-e84d-4047-a315-f1ddd9cc1a8f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GuaranteeObligationsNatureDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsByNatureAxis_cf5a195a-9c23-4c47-a103-bf0bbb5a4572" xlink:to="loc_us-gaap_GuaranteeObligationsNatureDomain_429be6f9-e84d-4047-a315-f1ddd9cc1a8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CommercialAerospaceFinancingArrangementsMember_87b33afa-10f6-4c08-9b4f-70321a6fdbcd" xlink:href="utx-20200930.xsd#utx_CommercialAerospaceFinancingArrangementsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_429be6f9-e84d-4047-a315-f1ddd9cc1a8f" xlink:to="loc_utx_CommercialAerospaceFinancingArrangementsMember_87b33afa-10f6-4c08-9b4f-70321a6fdbcd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeTypeOtherMember_9dc192d4-c702-4c4b-88f7-7cff4ad9fedb" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GuaranteeTypeOtherMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_429be6f9-e84d-4047-a315-f1ddd9cc1a8f" xlink:to="loc_us-gaap_GuaranteeTypeOtherMember_9dc192d4-c702-4c4b-88f7-7cff4ad9fedb" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ThirdPartyGuaranteesMember_a57db08d-81d1-4327-8bd4-20ff5f451080" xlink:href="utx-20200930.xsd#utx_ThirdPartyGuaranteesMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_GuaranteeObligationsNatureDomain_429be6f9-e84d-4047-a315-f1ddd9cc1a8f" xlink:to="loc_utx_ThirdPartyGuaranteesMember_a57db08d-81d1-4327-8bd4-20ff5f451080" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyLiabilityLineItems_7200a875-cf63-4654-95bd-cf3c4e104585" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductWarrantyLiabilityLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantyLiabilityTable_779c14ee-47ab-4db3-b7d3-a19ca08f91d3" xlink:to="loc_us-gaap_ProductWarrantyLiabilityLineItems_7200a875-cf63-4654-95bd-cf3c4e104585" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsMaximumExposure_09092617-817d-49bc-bf83-fb07ce91a46e" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GuaranteeObligationsMaximumExposure"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_7200a875-cf63-4654-95bd-cf3c4e104585" xlink:to="loc_us-gaap_GuaranteeObligationsMaximumExposure_09092617-817d-49bc-bf83-fb07ce91a46e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_3ec4bafa-79a7-4e57-b11e-81b7bd204464" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_GuaranteeObligationsCurrentCarryingValue"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_7200a875-cf63-4654-95bd-cf3c4e104585" xlink:to="loc_us-gaap_GuaranteeObligationsCurrentCarryingValue_3ec4bafa-79a7-4e57-b11e-81b7bd204464" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrual_4e8d9331-bc41-4419-a520-ad9f8bf6c5a1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductWarrantyAccrual"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_7200a875-cf63-4654-95bd-cf3c4e104585" xlink:to="loc_us-gaap_ProductWarrantyAccrual_4e8d9331-bc41-4419-a520-ad9f8bf6c5a1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodStartLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualWarrantiesIssued_8e796ca8-3a6d-4b62-a490-9260a2f861ed" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductWarrantyAccrualWarrantiesIssued"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_7200a875-cf63-4654-95bd-cf3c4e104585" xlink:to="loc_us-gaap_ProductWarrantyAccrualWarrantiesIssued_8e796ca8-3a6d-4b62-a490-9260a2f861ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualPayments_b9f427cb-f102-4c21-91e7-b07a66c99011" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductWarrantyAccrualPayments"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_7200a875-cf63-4654-95bd-cf3c4e104585" xlink:to="loc_us-gaap_ProductWarrantyAccrualPayments_b9f427cb-f102-4c21-91e7-b07a66c99011" xlink:type="arc" preferredLabel="http://www.xbrl.org/2009/role/negatedTerseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease_5d17b6b9-b573-4d9a-bb6c-e6f4b53d4f2f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_7200a875-cf63-4654-95bd-cf3c4e104585" xlink:to="loc_us-gaap_ProductWarrantyAccrualPreexistingIncreaseDecrease_5d17b6b9-b573-4d9a-bb6c-e6f4b53d4f2f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductWarrantyAccrual_726960b4-c145-4c06-b235-871ab5f4e071" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductWarrantyAccrual"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ProductWarrantyLiabilityLineItems_7200a875-cf63-4654-95bd-cf3c4e104585" xlink:to="loc_us-gaap_ProductWarrantyAccrual_726960b4-c145-4c06-b235-871ab5f4e071" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/periodEndLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/ContingentLiabilities" xlink:type="simple" xlink:href="utx-20200930.xsd#ContingentLiabilities"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/ContingentLiabilities" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_256953da-692c-4679-b2d9-e69518031ee0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_26ece782-9766-417e-818d-ffb3ac81f564" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_256953da-692c-4679-b2d9-e69518031ee0" xlink:to="loc_us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_26ece782-9766-417e-818d-ffb3ac81f564" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/ContingentLiabilitiesDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#ContingentLiabilitiesDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/ContingentLiabilitiesDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_9ee0150c-48cd-44bd-a7eb-b6ed7fcee866" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CommitmentsAndContingenciesDisclosureAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesTable_1cde4a8c-4286-4b96-b454-4068cddb1476" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingenciesTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_CommitmentsAndContingenciesDisclosureAbstract_9ee0150c-48cd-44bd-a7eb-b6ed7fcee866" xlink:to="loc_us-gaap_LossContingenciesTable_1cde4a8c-4286-4b96-b454-4068cddb1476" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseAxis_a6577472-09d3-4f21-9f2b-8e93dbecef41" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_LitigationCaseAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_1cde4a8c-4286-4b96-b454-4068cddb1476" xlink:to="loc_srt_LitigationCaseAxis_a6577472-09d3-4f21-9f2b-8e93dbecef41" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_LitigationCaseTypeDomain_55fd915b-fddb-4437-bf34-9997479e2524" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_LitigationCaseTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_LitigationCaseAxis_a6577472-09d3-4f21-9f2b-8e93dbecef41" xlink:to="loc_srt_LitigationCaseTypeDomain_55fd915b-fddb-4437-bf34-9997479e2524" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_A2019U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyDomain_06eb7ee9-5893-4971-b240-dc1da8750369" xlink:href="utx-20200930.xsd#utx_A2019U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_LitigationCaseTypeDomain_55fd915b-fddb-4437-bf34-9997479e2524" xlink:to="loc_utx_A2019U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyDomain_06eb7ee9-5893-4971-b240-dc1da8750369" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyMember_c522e3b8-ef63-43fe-91dd-cc5c9b4ea7f5" xlink:href="utx-20200930.xsd#utx_U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_LitigationCaseTypeDomain_55fd915b-fddb-4437-bf34-9997479e2524" xlink:to="loc_utx_U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneyMember_c522e3b8-ef63-43fe-91dd-cc5c9b4ea7f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneysecondclaimMember_c463ac12-758a-47b7-acf9-bf6883d71012" xlink:href="utx-20200930.xsd#utx_U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneysecondclaimMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_LitigationCaseTypeDomain_55fd915b-fddb-4437-bf34-9997479e2524" xlink:to="loc_utx_U.S.DefenseContractManagementAgencyClaimAgainstPrattWhitneysecondclaimMember_c463ac12-758a-47b7-acf9-bf6883d71012" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionTypeAxis_d0f87fb1-fe82-468b-bc53-336896c2873f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransactionTypeAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_1cde4a8c-4286-4b96-b454-4068cddb1476" xlink:to="loc_us-gaap_TransactionTypeAxis_d0f87fb1-fe82-468b-bc53-336896c2873f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TransactionDomain_662e74c0-4af4-4319-aaea-8fc0e498c7a3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TransactionDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransactionTypeAxis_d0f87fb1-fe82-468b-bc53-336896c2873f" xlink:to="loc_us-gaap_TransactionDomain_662e74c0-4af4-4319-aaea-8fc0e498c7a3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherFinancingArrangementsMember_661384e8-3ca5-4456-97c2-75fbe0c01e9c" xlink:href="utx-20200930.xsd#utx_OtherFinancingArrangementsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_TransactionDomain_662e74c0-4af4-4319-aaea-8fc0e498c7a3" xlink:to="loc_utx_OtherFinancingArrangementsMember_661384e8-3ca5-4456-97c2-75fbe0c01e9c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesByIndustryAxis_d71a60b4-1a62-4f11-a3af-35b9bad719b9" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesByIndustryAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_1cde4a8c-4286-4b96-b454-4068cddb1476" xlink:to="loc_us-gaap_EquitySecuritiesByIndustryAxis_d71a60b4-1a62-4f11-a3af-35b9bad719b9" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_EquitySecuritiesIndustryMember_f8a6e558-79c8-40d1-863d-7ee3b35df7f0" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_EquitySecuritiesIndustryMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquitySecuritiesByIndustryAxis_d71a60b4-1a62-4f11-a3af-35b9bad719b9" xlink:to="loc_us-gaap_EquitySecuritiesIndustryMember_f8a6e558-79c8-40d1-863d-7ee3b35df7f0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CommercialAerospaceMember_68986ef5-644e-4305-a0a3-ed20f0b5f930" xlink:href="utx-20200930.xsd#utx_CommercialAerospaceMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_EquitySecuritiesIndustryMember_f8a6e558-79c8-40d1-863d-7ee3b35df7f0" xlink:to="loc_utx_CommercialAerospaceMember_68986ef5-644e-4305-a0a3-ed20f0b5f930" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingenciesLineItems_769c7e9b-1e60-44f3-b55c-efb45f282546" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingenciesLineItems"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesTable_1cde4a8c-4286-4b96-b454-4068cddb1476" xlink:to="loc_us-gaap_LossContingenciesLineItems_769c7e9b-1e60-44f3-b55c-efb45f282546" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AccrualForEnvironmentalLossContingencies_2a698bf3-bbef-44a1-be02-bad0bc08b9ed" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AccrualForEnvironmentalLossContingencies"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_769c7e9b-1e60-44f3-b55c-efb45f282546" xlink:to="loc_us-gaap_AccrualForEnvironmentalLossContingencies_2a698bf3-bbef-44a1-be02-bad0bc08b9ed" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability_148a24be-16d7-493f-bc21-006941ed9c2c" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_769c7e9b-1e60-44f3-b55c-efb45f282546" xlink:to="loc_us-gaap_FairValueDisclosureOffbalanceSheetRisksAmountLiability_148a24be-16d7-493f-bc21-006941ed9c2c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OtherCommitment_6a961a9a-721d-4f01-a2b2-8fc1b80fd3a2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OtherCommitment"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_769c7e9b-1e60-44f3-b55c-efb45f282546" xlink:to="loc_us-gaap_OtherCommitment_6a961a9a-721d-4f01-a2b2-8fc1b80fd3a2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_LossContingencyDamagesSoughtValue_41e3ca48-486f-4a8a-bb4a-47251910be16" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_LossContingencyDamagesSoughtValue"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_769c7e9b-1e60-44f3-b55c-efb45f282546" xlink:to="loc_us-gaap_LossContingencyDamagesSoughtValue_41e3ca48-486f-4a8a-bb4a-47251910be16" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_LossContingencyInterest_eccd9e43-1dc7-4581-a2b2-3f622248fd8f" xlink:href="utx-20200930.xsd#utx_LossContingencyInterest"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_LossContingenciesLineItems_769c7e9b-1e60-44f3-b55c-efb45f282546" xlink:to="loc_utx_LossContingencyInterest_eccd9e43-1dc7-4581-a2b2-3f622248fd8f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/SegmentFinancialData" xlink:type="simple" xlink:href="utx-20200930.xsd#SegmentFinancialData"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/SegmentFinancialData" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_2614eec7-b84e-4cd3-b37d-e5d827c9f465" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingDisclosureTextBlock_08e348fe-01fc-4e20-8f91-24e127ca8612" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingDisclosureTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_2614eec7-b84e-4cd3-b37d-e5d827c9f465" xlink:to="loc_us-gaap_SegmentReportingDisclosureTextBlock_08e348fe-01fc-4e20-8f91-24e127ca8612" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/SegmentFinancialDataTables" xlink:type="simple" xlink:href="utx-20200930.xsd#SegmentFinancialDataTables"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/SegmentFinancialDataTables" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_1018e202-f8ae-4ffc-9e61-d8e922a5d0af" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_f37cfa8e-03b6-4310-8f7b-5b231d9eadf6" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_1018e202-f8ae-4ffc-9e61-d8e922a5d0af" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_f37cfa8e-03b6-4310-8f7b-5b231d9eadf6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_fc17cc66-14f7-481c-8872-fe88c8265b98" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_1018e202-f8ae-4ffc-9e61-d8e922a5d0af" xlink:to="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTextBlock_fc17cc66-14f7-481c-8872-fe88c8265b98" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_2ce4f606-cf19-4b10-b351-fb53aa03d27d" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_1018e202-f8ae-4ffc-9e61-d8e922a5d0af" xlink:to="loc_us-gaap_DisaggregationOfRevenueTableTextBlock_2ce4f606-cf19-4b10-b351-fb53aa03d27d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/SegmentFinancialDataRevisedhistoricalsegmentoperatingperformanceDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#SegmentFinancialDataRevisedhistoricalsegmentoperatingperformanceDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/SegmentFinancialDataRevisedhistoricalsegmentoperatingperformanceDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_2d5f9ef7-decc-42ea-b467-9748b99e0366" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fac817d3-72f7-4a5e-b672-22a6ec38da6b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_2d5f9ef7-decc-42ea-b467-9748b99e0366" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fac817d3-72f7-4a5e-b672-22a6ec38da6b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_5c8db5f9-7dad-40f5-a201-b37b92d35eac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fac817d3-72f7-4a5e-b672-22a6ec38da6b" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_5c8db5f9-7dad-40f5-a201-b37b92d35eac" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_34a3b7e8-1f43-4175-8dcd-1023c90b34cd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_5c8db5f9-7dad-40f5-a201-b37b92d35eac" xlink:to="loc_us-gaap_SegmentDomain_34a3b7e8-1f43-4175-8dcd-1023c90b34cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollinsAerospaceSystemsMember_5c50ae8c-71b9-4fd6-a785-ad70a113c98d" xlink:href="utx-20200930.xsd#utx_CollinsAerospaceSystemsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_34a3b7e8-1f43-4175-8dcd-1023c90b34cd" xlink:to="loc_utx_CollinsAerospaceSystemsMember_5c50ae8c-71b9-4fd6-a785-ad70a113c98d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrattAndWhitneyMember_b48bd487-0765-4cfc-a0ca-9263f5a98c49" xlink:href="utx-20200930.xsd#utx_PrattAndWhitneyMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_34a3b7e8-1f43-4175-8dcd-1023c90b34cd" xlink:to="loc_utx_PrattAndWhitneyMember_b48bd487-0765-4cfc-a0ca-9263f5a98c49" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonIntelligenceSpaceMember_9383a5c9-17b3-4013-9c40-50611384bd6a" xlink:href="utx-20200930.xsd#utx_RaytheonIntelligenceSpaceMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_34a3b7e8-1f43-4175-8dcd-1023c90b34cd" xlink:to="loc_utx_RaytheonIntelligenceSpaceMember_9383a5c9-17b3-4013-9c40-50611384bd6a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonMissilesDefenseMember_da6468d2-0d99-40e3-aacd-517c81cc45f4" xlink:href="utx-20200930.xsd#utx_RaytheonMissilesDefenseMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_34a3b7e8-1f43-4175-8dcd-1023c90b34cd" xlink:to="loc_utx_RaytheonMissilesDefenseMember_da6468d2-0d99-40e3-aacd-517c81cc45f4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_AcquisitionAccountingAdjustmentMemberMember_30897667-05ba-400f-802b-6b9ca594a2a5" xlink:href="utx-20200930.xsd#utx_AcquisitionAccountingAdjustmentMemberMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_34a3b7e8-1f43-4175-8dcd-1023c90b34cd" xlink:to="loc_utx_AcquisitionAccountingAdjustmentMemberMember_30897667-05ba-400f-802b-6b9ca594a2a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_FASCASOperatingAdjustmentMember_a846bc2d-b39c-4ccf-abdf-3a4653f01b00" xlink:href="utx-20200930.xsd#utx_FASCASOperatingAdjustmentMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_34a3b7e8-1f43-4175-8dcd-1023c90b34cd" xlink:to="loc_utx_FASCASOperatingAdjustmentMember_a846bc2d-b39c-4ccf-abdf-3a4653f01b00" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_ee436bf8-47dc-4740-8ce6-80dfa776e47c" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fac817d3-72f7-4a5e-b672-22a6ec38da6b" xlink:to="loc_srt_ConsolidationItemsAxis_ee436bf8-47dc-4740-8ce6-80dfa776e47c" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_bbafeb42-a957-4d2b-8c90-f2514afe802a" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_ee436bf8-47dc-4740-8ce6-80dfa776e47c" xlink:to="loc_srt_ConsolidationItemsDomain_bbafeb42-a957-4d2b-8c90-f2514afe802a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_1e5c3af5-4a7d-41f2-9574-d8c54d13b38b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_bbafeb42-a957-4d2b-8c90-f2514afe802a" xlink:to="loc_us-gaap_OperatingSegmentsMember_1e5c3af5-4a7d-41f2-9574-d8c54d13b38b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_c519779e-147a-4cbe-8a2e-d80514346444" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_bbafeb42-a957-4d2b-8c90-f2514afe802a" xlink:to="loc_us-gaap_IntersegmentEliminationMember_c519779e-147a-4cbe-8a2e-d80514346444" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_4ab047b9-d335-4b80-b351-b7aec533e0cc" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_bbafeb42-a957-4d2b-8c90-f2514afe802a" xlink:to="loc_us-gaap_CorporateNonSegmentMember_4ab047b9-d335-4b80-b351-b7aec533e0cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_3b154af7-6b9b-41b0-badf-0e3fc7e672f1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fac817d3-72f7-4a5e-b672-22a6ec38da6b" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_3b154af7-6b9b-41b0-badf-0e3fc7e672f1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_92f76a06-d153-4364-b0b8-ba2390a6c4ce" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3b154af7-6b9b-41b0-badf-0e3fc7e672f1" xlink:to="loc_us-gaap_Revenues_92f76a06-d153-4364-b0b8-ba2390a6c4ce" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_a390b4b9-42df-489a-8cde-540e8eb19c9a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_3b154af7-6b9b-41b0-badf-0e3fc7e672f1" xlink:to="loc_us-gaap_OperatingIncomeLoss_a390b4b9-42df-489a-8cde-540e8eb19c9a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/SegmentFinancialDataSegmentOperatingPerformanceDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#SegmentFinancialDataSegmentOperatingPerformanceDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/SegmentFinancialDataSegmentOperatingPerformanceDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_0466d04f-b5fc-436d-934d-29e82eff05f8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fd2f2cbd-9c67-435c-937a-dc8433760ae2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_0466d04f-b5fc-436d-934d-29e82eff05f8" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fd2f2cbd-9c67-435c-937a-dc8433760ae2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_a422cb54-da4a-4600-a84b-b73bd3912319" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fd2f2cbd-9c67-435c-937a-dc8433760ae2" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_a422cb54-da4a-4600-a84b-b73bd3912319" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_372c1a11-f1c9-4705-b007-07f5a506639a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_a422cb54-da4a-4600-a84b-b73bd3912319" xlink:to="loc_us-gaap_SegmentDomain_372c1a11-f1c9-4705-b007-07f5a506639a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollinsAerospaceSystemsMember_357e858f-2d53-4be2-bb44-9bcc78f7ebbf" xlink:href="utx-20200930.xsd#utx_CollinsAerospaceSystemsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_372c1a11-f1c9-4705-b007-07f5a506639a" xlink:to="loc_utx_CollinsAerospaceSystemsMember_357e858f-2d53-4be2-bb44-9bcc78f7ebbf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrattAndWhitneyMember_53c93789-708a-4ea1-b0ce-f9dd3cf01727" xlink:href="utx-20200930.xsd#utx_PrattAndWhitneyMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_372c1a11-f1c9-4705-b007-07f5a506639a" xlink:to="loc_utx_PrattAndWhitneyMember_53c93789-708a-4ea1-b0ce-f9dd3cf01727" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonIntelligenceSpaceMember_275b577c-0161-4238-a043-93c82282f67a" xlink:href="utx-20200930.xsd#utx_RaytheonIntelligenceSpaceMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_372c1a11-f1c9-4705-b007-07f5a506639a" xlink:to="loc_utx_RaytheonIntelligenceSpaceMember_275b577c-0161-4238-a043-93c82282f67a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonMissilesDefenseMember_af6c589c-285e-4bf9-be5a-896bce153065" xlink:href="utx-20200930.xsd#utx_RaytheonMissilesDefenseMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_372c1a11-f1c9-4705-b007-07f5a506639a" xlink:to="loc_utx_RaytheonMissilesDefenseMember_af6c589c-285e-4bf9-be5a-896bce153065" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_AcquisitionAccountingAdjustmentMemberMember_5c4f9bdd-d01f-46ff-89a0-bf10025173cc" xlink:href="utx-20200930.xsd#utx_AcquisitionAccountingAdjustmentMemberMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_372c1a11-f1c9-4705-b007-07f5a506639a" xlink:to="loc_utx_AcquisitionAccountingAdjustmentMemberMember_5c4f9bdd-d01f-46ff-89a0-bf10025173cc" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_FASCASOperatingAdjustmentMember_9adc25d0-f745-4ed1-a678-f9a65de485ee" xlink:href="utx-20200930.xsd#utx_FASCASOperatingAdjustmentMember"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_372c1a11-f1c9-4705-b007-07f5a506639a" xlink:to="loc_utx_FASCASOperatingAdjustmentMember_9adc25d0-f745-4ed1-a678-f9a65de485ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_34e1ffac-b5c4-4c72-9078-1983f96949b5" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fd2f2cbd-9c67-435c-937a-dc8433760ae2" xlink:to="loc_srt_ConsolidationItemsAxis_34e1ffac-b5c4-4c72-9078-1983f96949b5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_13247941-4ab0-4438-8e15-484d79c85c60" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_34e1ffac-b5c4-4c72-9078-1983f96949b5" xlink:to="loc_srt_ConsolidationItemsDomain_13247941-4ab0-4438-8e15-484d79c85c60" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_a80de403-ebb8-49ff-b2b2-0d60df174b83" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_13247941-4ab0-4438-8e15-484d79c85c60" xlink:to="loc_us-gaap_OperatingSegmentsMember_a80de403-ebb8-49ff-b2b2-0d60df174b83" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_4e53774c-2f34-4943-8d8d-f1c71fe43a48" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_13247941-4ab0-4438-8e15-484d79c85c60" xlink:to="loc_us-gaap_IntersegmentEliminationMember_4e53774c-2f34-4943-8d8d-f1c71fe43a48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_802d639f-40eb-4537-8ba2-c49a9ca225b8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_13247941-4ab0-4438-8e15-484d79c85c60" xlink:to="loc_us-gaap_CorporateNonSegmentMember_802d639f-40eb-4537-8ba2-c49a9ca225b8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_MaterialReconcilingItemsMember_52da463f-aea9-449e-b64a-7f42fd7480ee" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_MaterialReconcilingItemsMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_13247941-4ab0-4438-8e15-484d79c85c60" xlink:to="loc_us-gaap_MaterialReconcilingItemsMember_52da463f-aea9-449e-b64a-7f42fd7480ee" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_9db97896-bd6c-467a-8438-1fd378bcbfd2" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_fd2f2cbd-9c67-435c-937a-dc8433760ae2" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_9db97896-bd6c-467a-8438-1fd378bcbfd2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_822da885-fbc9-4a4a-a71d-ef8bc1d1ce37" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_9db97896-bd6c-467a-8438-1fd378bcbfd2" xlink:to="loc_us-gaap_Revenues_822da885-fbc9-4a4a-a71d-ef8bc1d1ce37" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingIncomeLoss_965c6ec9-d50d-4023-bd1c-aa0f8f4ee2ec" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingIncomeLoss"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_9db97896-bd6c-467a-8438-1fd378bcbfd2" xlink:to="loc_us-gaap_OperatingIncomeLoss_965c6ec9-d50d-4023-bd1c-aa0f8f4ee2ec" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OperatingProfitMargin_ed573a80-3358-44da-9303-5ae75bd634ca" xlink:href="utx-20200930.xsd#utx_OperatingProfitMargin"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_9db97896-bd6c-467a-8438-1fd378bcbfd2" xlink:to="loc_utx_OperatingProfitMargin_ed573a80-3358-44da-9303-5ae75bd634ca" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_NetExpensesRelatedToLTAMDSIncludedInCorporateOperatingIncome_c64e269b-acdc-445e-8681-a39d5fe471b7" xlink:href="utx-20200930.xsd#utx_NetExpensesRelatedToLTAMDSIncludedInCorporateOperatingIncome"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_9db97896-bd6c-467a-8438-1fd378bcbfd2" xlink:to="loc_utx_NetExpensesRelatedToLTAMDSIncludedInCorporateOperatingIncome_c64e269b-acdc-445e-8681-a39d5fe471b7" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/SegmentFinancialDataComponentsofIdentifiableAssetsDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#SegmentFinancialDataComponentsofIdentifiableAssetsDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/SegmentFinancialDataComponentsofIdentifiableAssetsDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_9f37fba8-cc53-49c9-86fb-cca7a192ffac" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_7f850d88-82a5-49fa-849e-2dab0079a986" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_9f37fba8-cc53-49c9-86fb-cca7a192ffac" xlink:to="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_7f850d88-82a5-49fa-849e-2dab0079a986" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_a0328133-474f-427f-973d-36504583ad24" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_7f850d88-82a5-49fa-849e-2dab0079a986" xlink:to="loc_srt_ConsolidationItemsAxis_a0328133-474f-427f-973d-36504583ad24" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_907159fc-6441-459f-9d01-dd173ff923d1" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_a0328133-474f-427f-973d-36504583ad24" xlink:to="loc_srt_ConsolidationItemsDomain_907159fc-6441-459f-9d01-dd173ff923d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_32fd7f65-700d-4d47-a9e5-3eca495dd179" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_907159fc-6441-459f-9d01-dd173ff923d1" xlink:to="loc_us-gaap_IntersegmentEliminationMember_32fd7f65-700d-4d47-a9e5-3eca495dd179" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_1a2b8fec-1185-4571-a09a-b967b3745a42" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_907159fc-6441-459f-9d01-dd173ff923d1" xlink:to="loc_us-gaap_OperatingSegmentsMember_1a2b8fec-1185-4571-a09a-b967b3745a42" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_CorporateNonSegmentMember_e7c9ebf2-9662-4633-b0f4-08fd121fdbda" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_CorporateNonSegmentMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_907159fc-6441-459f-9d01-dd173ff923d1" xlink:to="loc_us-gaap_CorporateNonSegmentMember_e7c9ebf2-9662-4633-b0f4-08fd121fdbda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_54c90975-ed90-452d-8973-f9a6b75f00a4" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_7f850d88-82a5-49fa-849e-2dab0079a986" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_54c90975-ed90-452d-8973-f9a6b75f00a4" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_ef41fb76-46fa-4936-9edd-7dcbd53b8c48" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_54c90975-ed90-452d-8973-f9a6b75f00a4" xlink:to="loc_us-gaap_SegmentDomain_ef41fb76-46fa-4936-9edd-7dcbd53b8c48" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollinsAerospaceSystemsMember_9f6ebd88-b47f-4e5b-a19e-7effc7870c3f" xlink:href="utx-20200930.xsd#utx_CollinsAerospaceSystemsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_ef41fb76-46fa-4936-9edd-7dcbd53b8c48" xlink:to="loc_utx_CollinsAerospaceSystemsMember_9f6ebd88-b47f-4e5b-a19e-7effc7870c3f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrattAndWhitneyMember_5fd89921-bede-4c65-b3eb-4f52f0b79a4d" xlink:href="utx-20200930.xsd#utx_PrattAndWhitneyMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_ef41fb76-46fa-4936-9edd-7dcbd53b8c48" xlink:to="loc_utx_PrattAndWhitneyMember_5fd89921-bede-4c65-b3eb-4f52f0b79a4d" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonIntelligenceSpaceMember_e2ed64af-08dc-475e-8df0-165005205a34" xlink:href="utx-20200930.xsd#utx_RaytheonIntelligenceSpaceMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_ef41fb76-46fa-4936-9edd-7dcbd53b8c48" xlink:to="loc_utx_RaytheonIntelligenceSpaceMember_e2ed64af-08dc-475e-8df0-165005205a34" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonMissilesDefenseMember_b8999b80-770a-4ce2-9894-85f435bf8027" xlink:href="utx-20200930.xsd#utx_RaytheonMissilesDefenseMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_ef41fb76-46fa-4936-9edd-7dcbd53b8c48" xlink:to="loc_utx_RaytheonMissilesDefenseMember_b8999b80-770a-4ce2-9894-85f435bf8027" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDiscontinuedOperationsMember_b33c96ec-3a7c-4321-974a-0eba68582ad8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDiscontinuedOperationsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_ef41fb76-46fa-4936-9edd-7dcbd53b8c48" xlink:to="loc_us-gaap_SegmentDiscontinuedOperationsMember_b33c96ec-3a7c-4321-974a-0eba68582ad8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAssetReconcilingItemLineItems_5c0cdb1a-a257-49dd-8455-fee82a224475" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAssetReconcilingItemLineItems"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ReconciliationOfAssetsFromSegmentToConsolidatedTable_7f850d88-82a5-49fa-849e-2dab0079a986" xlink:to="loc_us-gaap_SegmentReportingAssetReconcilingItemLineItems_5c0cdb1a-a257-49dd-8455-fee82a224475" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Assets_46e151f6-87e4-4991-a1de-7aa640927049" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Assets"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAssetReconcilingItemLineItems_5c0cdb1a-a257-49dd-8455-fee82a224475" xlink:to="loc_us-gaap_Assets_46e151f6-87e4-4991-a1de-7aa640927049" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
  <link:roleRef roleURI="http://www.utc.com/role/SegmentFinancialDataDisaggregationofRevenueDetails" xlink:type="simple" xlink:href="utx-20200930.xsd#SegmentFinancialDataDisaggregationofRevenueDetails"/>
  <link:presentationLink xlink:role="http://www.utc.com/role/SegmentFinancialDataDisaggregationofRevenueDetails" xlink:type="extended">
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingAbstract_b80c6cda-ce80-46a3-96ae-a52f76a129af" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingAbstract"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_47279879-beb4-4f18-96d6-f6dc70f83e26" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingAbstract_b80c6cda-ce80-46a3-96ae-a52f76a129af" xlink:to="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_47279879-beb4-4f18-96d6-f6dc70f83e26" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsAxis_ff8bdcce-327a-4e8b-82e5-a141f81d8f0f" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsAxis"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_47279879-beb4-4f18-96d6-f6dc70f83e26" xlink:to="loc_srt_ConsolidationItemsAxis_ff8bdcce-327a-4e8b-82e5-a141f81d8f0f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_ConsolidationItemsDomain_8234d738-3b8a-48d9-abc1-d6c43070e0f5" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_ConsolidationItemsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsAxis_ff8bdcce-327a-4e8b-82e5-a141f81d8f0f" xlink:to="loc_srt_ConsolidationItemsDomain_8234d738-3b8a-48d9-abc1-d6c43070e0f5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_OperatingSegmentsMember_0ffbed2b-d9f3-4ec1-8044-8d0c2c5353a5" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_OperatingSegmentsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_8234d738-3b8a-48d9-abc1-d6c43070e0f5" xlink:to="loc_us-gaap_OperatingSegmentsMember_0ffbed2b-d9f3-4ec1-8044-8d0c2c5353a5" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_IntersegmentEliminationMember_afb9cd7b-6fc0-447e-8aec-e6997195fb7f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_IntersegmentEliminationMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_ConsolidationItemsDomain_8234d738-3b8a-48d9-abc1-d6c43070e0f5" xlink:to="loc_us-gaap_IntersegmentEliminationMember_afb9cd7b-6fc0-447e-8aec-e6997195fb7f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_StatementBusinessSegmentsAxis_f0b129cf-2b73-4bf6-a648-03ab2be47aa8" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_StatementBusinessSegmentsAxis"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_47279879-beb4-4f18-96d6-f6dc70f83e26" xlink:to="loc_us-gaap_StatementBusinessSegmentsAxis_f0b129cf-2b73-4bf6-a648-03ab2be47aa8" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentDomain_f75d767a-0ed3-4bae-9552-c3939fd5a13b" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_StatementBusinessSegmentsAxis_f0b129cf-2b73-4bf6-a648-03ab2be47aa8" xlink:to="loc_us-gaap_SegmentDomain_f75d767a-0ed3-4bae-9552-c3939fd5a13b" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CollinsAerospaceSystemsMember_fa7bde94-f058-4806-89f6-def418cc6835" xlink:href="utx-20200930.xsd#utx_CollinsAerospaceSystemsMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_f75d767a-0ed3-4bae-9552-c3939fd5a13b" xlink:to="loc_utx_CollinsAerospaceSystemsMember_fa7bde94-f058-4806-89f6-def418cc6835" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrattAndWhitneyMember_80b22d5d-832a-4fba-b262-276292d03df1" xlink:href="utx-20200930.xsd#utx_PrattAndWhitneyMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_f75d767a-0ed3-4bae-9552-c3939fd5a13b" xlink:to="loc_utx_PrattAndWhitneyMember_80b22d5d-832a-4fba-b262-276292d03df1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonIntelligenceSpaceMember_835d032e-7b86-4ac1-b8ac-7a28b5ad1322" xlink:href="utx-20200930.xsd#utx_RaytheonIntelligenceSpaceMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_f75d767a-0ed3-4bae-9552-c3939fd5a13b" xlink:to="loc_utx_RaytheonIntelligenceSpaceMember_835d032e-7b86-4ac1-b8ac-7a28b5ad1322" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_RaytheonMissilesDefenseMember_1d8a7757-2f7f-4232-bbe8-784ac70da18e" xlink:href="utx-20200930.xsd#utx_RaytheonMissilesDefenseMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_f75d767a-0ed3-4bae-9552-c3939fd5a13b" xlink:to="loc_utx_RaytheonMissilesDefenseMember_1d8a7757-2f7f-4232-bbe8-784ac70da18e" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_AllOtherSegmentsMember_b3b91997-3025-460a-b50b-210696b5126f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_AllOtherSegmentsMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentDomain_f75d767a-0ed3-4bae-9552-c3939fd5a13b" xlink:to="loc_us-gaap_AllOtherSegmentsMember_b3b91997-3025-460a-b50b-210696b5126f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrimaryGeographicalMarketsAxis_bc76c86b-32a9-47ce-99d6-bb3e4636d531" xlink:href="utx-20200930.xsd#utx_PrimaryGeographicalMarketsAxis"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_47279879-beb4-4f18-96d6-f6dc70f83e26" xlink:to="loc_utx_PrimaryGeographicalMarketsAxis_bc76c86b-32a9-47ce-99d6-bb3e4636d531" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_PrimaryGeographicalMarketsDomain_e6d89bd0-d4c0-43ef-a3a1-706249542264" xlink:href="utx-20200930.xsd#utx_PrimaryGeographicalMarketsDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_PrimaryGeographicalMarketsAxis_bc76c86b-32a9-47ce-99d6-bb3e4636d531" xlink:to="loc_utx_PrimaryGeographicalMarketsDomain_e6d89bd0-d4c0-43ef-a3a1-706249542264" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_country_US_d2e818e2-8714-476a-b528-3d88ddf7f388" xlink:href="https://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_US"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_PrimaryGeographicalMarketsDomain_e6d89bd0-d4c0-43ef-a3a1-706249542264" xlink:to="loc_country_US_d2e818e2-8714-476a-b528-3d88ddf7f388" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_AsiaPacificMember_738937ba-56c5-47f1-99c5-3a7babb71aa2" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_AsiaPacificMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_PrimaryGeographicalMarketsDomain_e6d89bd0-d4c0-43ef-a3a1-706249542264" xlink:to="loc_srt_AsiaPacificMember_738937ba-56c5-47f1-99c5-3a7babb71aa2" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_MiddleEastAndNorthAfricaMemberMember_2e6cc18b-f9c5-4bea-8443-fddcd44b5992" xlink:href="utx-20200930.xsd#utx_MiddleEastAndNorthAfricaMemberMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_PrimaryGeographicalMarketsDomain_e6d89bd0-d4c0-43ef-a3a1-706249542264" xlink:to="loc_utx_MiddleEastAndNorthAfricaMemberMember_2e6cc18b-f9c5-4bea-8443-fddcd44b5992" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_EuropeMember_ba22bf76-7514-4403-8d08-2dc8ea7c8050" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_EuropeMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_PrimaryGeographicalMarketsDomain_e6d89bd0-d4c0-43ef-a3a1-706249542264" xlink:to="loc_srt_EuropeMember_ba22bf76-7514-4403-8d08-2dc8ea7c8050" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_OtherMember_ad4ebab2-94ae-40c9-b28b-f58dcdb98a54" xlink:href="utx-20200930.xsd#utx_OtherMember"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_PrimaryGeographicalMarketsDomain_e6d89bd0-d4c0-43ef-a3a1-706249542264" xlink:to="loc_utx_OtherMember_ad4ebab2-94ae-40c9-b28b-f58dcdb98a54" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_MajorCustomersAxis_35ee5429-2d84-4d09-ae9e-ad3f40ad44e6" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_MajorCustomersAxis"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_47279879-beb4-4f18-96d6-f6dc70f83e26" xlink:to="loc_srt_MajorCustomersAxis_35ee5429-2d84-4d09-ae9e-ad3f40ad44e6" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_srt_NameOfMajorCustomerDomain_eb2c8bc7-57b8-42f5-b73a-171162eaff0a" xlink:href="http://xbrl.fasb.org/srt/2019/elts/srt-2019-01-31.xsd#srt_NameOfMajorCustomerDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_MajorCustomersAxis_35ee5429-2d84-4d09-ae9e-ad3f40ad44e6" xlink:to="loc_srt_NameOfMajorCustomerDomain_eb2c8bc7-57b8-42f5-b73a-171162eaff0a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_USGovernmentSalesExcludingForeignMilitarySalesMemberMember_49e02d9e-c595-471b-b61e-5e5b4eae3958" xlink:href="utx-20200930.xsd#utx_USGovernmentSalesExcludingForeignMilitarySalesMemberMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_eb2c8bc7-57b8-42f5-b73a-171162eaff0a" xlink:to="loc_utx_USGovernmentSalesExcludingForeignMilitarySalesMemberMember_49e02d9e-c595-471b-b61e-5e5b4eae3958" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ForeignMilitarySalesThroughTheUSGovernmentMemberMember_c862c4cf-9b39-488f-9916-b65c8d59a1e0" xlink:href="utx-20200930.xsd#utx_ForeignMilitarySalesThroughTheUSGovernmentMemberMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_eb2c8bc7-57b8-42f5-b73a-171162eaff0a" xlink:to="loc_utx_ForeignMilitarySalesThroughTheUSGovernmentMemberMember_c862c4cf-9b39-488f-9916-b65c8d59a1e0" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_ForeignGovernmentDirectCommercialSalesMemberMember_72c0123a-14db-487f-9878-412f10daf960" xlink:href="utx-20200930.xsd#utx_ForeignGovernmentDirectCommercialSalesMemberMember"/>
    <link:presentationArc order="3" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_eb2c8bc7-57b8-42f5-b73a-171162eaff0a" xlink:to="loc_utx_ForeignGovernmentDirectCommercialSalesMemberMember_72c0123a-14db-487f-9878-412f10daf960" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_CommercialAerospaceAndOtherCommercialMemberMember_ad6d525e-b707-4e3e-8ffa-824061c1bc86" xlink:href="utx-20200930.xsd#utx_CommercialAerospaceAndOtherCommercialMemberMember"/>
    <link:presentationArc order="4" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_srt_NameOfMajorCustomerDomain_eb2c8bc7-57b8-42f5-b73a-171162eaff0a" xlink:to="loc_utx_CommercialAerospaceAndOtherCommercialMemberMember_ad6d525e-b707-4e3e-8ffa-824061c1bc86" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_SalesTypeAxis_527aa0fe-d118-41c4-842e-c26329e19002" xlink:href="utx-20200930.xsd#utx_SalesTypeAxis"/>
    <link:presentationArc order="5" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_47279879-beb4-4f18-96d6-f6dc70f83e26" xlink:to="loc_utx_SalesTypeAxis_527aa0fe-d118-41c4-842e-c26329e19002" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_utx_SalesTypeDomain_38e2ad9b-8168-4a4d-9ffb-e5491d321191" xlink:href="utx-20200930.xsd#utx_SalesTypeDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_SalesTypeAxis_527aa0fe-d118-41c4-842e-c26329e19002" xlink:to="loc_utx_SalesTypeDomain_38e2ad9b-8168-4a4d-9ffb-e5491d321191" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ProductMember_9e46d0ad-9477-48f8-a3e7-288bc1ab2faf" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ProductMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_SalesTypeDomain_38e2ad9b-8168-4a4d-9ffb-e5491d321191" xlink:to="loc_us-gaap_ProductMember_9e46d0ad-9477-48f8-a3e7-288bc1ab2faf" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ServiceMember_f55c80c6-f496-4b02-be1a-f976734edca3" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ServiceMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_utx_SalesTypeDomain_38e2ad9b-8168-4a4d-9ffb-e5491d321191" xlink:to="loc_us-gaap_ServiceMember_f55c80c6-f496-4b02-be1a-f976734edca3" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerBasisOfPricingAxis_8115499d-3863-4104-8d84-8e124e3a52cd" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerBasisOfPricingAxis"/>
    <link:presentationArc order="6" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_47279879-beb4-4f18-96d6-f6dc70f83e26" xlink:to="loc_us-gaap_ContractWithCustomerBasisOfPricingAxis_8115499d-3863-4104-8d84-8e124e3a52cd" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_652cb7ba-6d1d-4d9a-8594-14a79d155b93" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_ContractWithCustomerBasisOfPricingDomain"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingAxis_8115499d-3863-4104-8d84-8e124e3a52cd" xlink:to="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_652cb7ba-6d1d-4d9a-8594-14a79d155b93" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_FixedPriceContractMember_a47c77b0-3b20-49c1-93bf-abebcf5e965a" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_FixedPriceContractMember"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_652cb7ba-6d1d-4d9a-8594-14a79d155b93" xlink:to="loc_us-gaap_FixedPriceContractMember_a47c77b0-3b20-49c1-93bf-abebcf5e965a" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_TimeAndMaterialsContractMember_e8171193-982b-4d5d-a531-4bc7ad0ba82f" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_TimeAndMaterialsContractMember"/>
    <link:presentationArc order="2" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ContractWithCustomerBasisOfPricingDomain_652cb7ba-6d1d-4d9a-8594-14a79d155b93" xlink:to="loc_us-gaap_TimeAndMaterialsContractMember_e8171193-982b-4d5d-a531-4bc7ad0ba82f" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_SegmentReportingInformationLineItems_4ab09afc-cefc-435b-8877-4736a3e1acda" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_SegmentReportingInformationLineItems"/>
    <link:presentationArc order="7" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_47279879-beb4-4f18-96d6-f6dc70f83e26" xlink:to="loc_us-gaap_SegmentReportingInformationLineItems_4ab09afc-cefc-435b-8877-4736a3e1acda" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
    <link:loc xlink:type="locator" xlink:label="loc_us-gaap_Revenues_d4013f00-67e8-48f7-a947-b98e4aded7d1" xlink:href="http://xbrl.fasb.org/us-gaap/2019/elts/us-gaap-2019-01-31.xsd#us-gaap_Revenues"/>
    <link:presentationArc order="1" xlink:arcrole="http://www.xbrl.org/2003/arcrole/parent-child" xlink:from="loc_us-gaap_SegmentReportingInformationLineItems_4ab09afc-cefc-435b-8877-4736a3e1acda" xlink:to="loc_us-gaap_Revenues_d4013f00-67e8-48f7-a947-b98e4aded7d1" xlink:type="arc" preferredLabel="http://www.xbrl.org/2003/role/terseLabel"/>
  </link:presentationLink>
</link:linkbase>
