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    <link:label id="lab_tdg_CapitalStockVotingPercentage_44154FCDF57530786068FD42A289C3B1_terseLabel_en-US" xlink:label="lab_tdg_CapitalStockVotingPercentage_44154FCDF57530786068FD42A289C3B1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Percentage of voting capital stock</link:label>
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    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_F1E1A09EFE0425FFFB4EFD42A289B9F9_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_F1E1A09EFE0425FFFB4EFD42A289B9F9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Floor basis spread on LIBOR</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_F1E1A09EFE0425FFFB4EFD42A289B9F9_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentBasisSpreadOnVariableRate1_F1E1A09EFE0425FFFB4EFD42A289B9F9" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Basis Spread on Variable Rate</link:label>
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    <link:label id="lab_tdg_TermLoanMandatoryPrincipalPrepaymentCommencementPeriodFromFiscalYear_FA8BCEBAA10F0F9E6ACEFD42A28969B9_terseLabel_en-US" xlink:label="lab_tdg_TermLoanMandatoryPrincipalPrepaymentCommencementPeriodFromFiscalYear_FA8BCEBAA10F0F9E6ACEFD42A28969B9" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term loan mandatory principal prepayment commencement period from fiscal year (days)</link:label>
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    <link:label id="lab_tdg_PercentageOfPrincipalAmountOfTermLoanToBePrepaid_C6C83DB1A5E8F3094B33FD42A2894AD1_documentation_en-US" xlink:label="lab_tdg_PercentageOfPrincipalAmountOfTermLoanToBePrepaid_C6C83DB1A5E8F3094B33FD42A2894AD1" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Percentage of Principal Amount of Term Loan to be Prepaid</link:label>
    <link:loc xlink:href="tdg-20150930.xsd#tdg_PercentageOfPrincipalAmountOfTermLoanToBePrepaid" xlink:label="loc_tdg_PercentageOfPrincipalAmountOfTermLoanToBePrepaid_C6C83DB1A5E8F3094B33FD42A2894AD1" xlink:type="locator" />
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    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_92D767A8116EF6C856AAFD42A289EC79_terseLabel_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_92D767A8116EF6C856AAFD42A289EC79" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Unamortized original issue discount</link:label>
    <link:label id="lab_us-gaap_DebtInstrumentUnamortizedDiscount_92D767A8116EF6C856AAFD42A289EC79_label_en-US" xlink:label="lab_us-gaap_DebtInstrumentUnamortizedDiscount_92D767A8116EF6C856AAFD42A289EC79" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument, Unamortized Discount</link:label>
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    <link:label id="lab_tdg_DebtInstrumentPrepaymentPremiumPercentage_C603DB8FB1A1D3E26FE7FD42A289A46F_terseLabel_en-US" xlink:label="lab_tdg_DebtInstrumentPrepaymentPremiumPercentage_C603DB8FB1A1D3E26FE7FD42A289A46F" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Prepayment premium</link:label>
    <link:label id="lab_tdg_DebtInstrumentPrepaymentPremiumPercentage_C603DB8FB1A1D3E26FE7FD42A289A46F_label_en-US" xlink:label="lab_tdg_DebtInstrumentPrepaymentPremiumPercentage_C603DB8FB1A1D3E26FE7FD42A289A46F" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Debt Instrument Prepayment Premium Percentage</link:label>
    <link:label id="lab_tdg_DebtInstrumentPrepaymentPremiumPercentage_C603DB8FB1A1D3E26FE7FD42A289A46F_documentation_en-US" xlink:label="lab_tdg_DebtInstrumentPrepaymentPremiumPercentage_C603DB8FB1A1D3E26FE7FD42A289A46F" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument Prepayment Premium Percentage</link:label>
    <link:loc xlink:href="tdg-20150930.xsd#tdg_DebtInstrumentPrepaymentPremiumPercentage" xlink:label="loc_tdg_DebtInstrumentPrepaymentPremiumPercentage_C603DB8FB1A1D3E26FE7FD42A289A46F" xlink:type="locator" />
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    <link:label id="lab_tdg_DebtInstrumentIncreaseinFaceAmount_02341CBFF6F878103B38FD42A28AC92A_terseLabel_en-US" xlink:label="lab_tdg_DebtInstrumentIncreaseinFaceAmount_02341CBFF6F878103B38FD42A28AC92A" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Increase in commitments</link:label>
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    <link:label id="lab_tdg_DebtInstrumentIncreaseinFaceAmount_02341CBFF6F878103B38FD42A28AC92A_documentation_en-US" xlink:label="lab_tdg_DebtInstrumentIncreaseinFaceAmount_02341CBFF6F878103B38FD42A28AC92A" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:type="resource" xml:lang="en-US">Debt Instrument, Increase in Face Amount</link:label>
    <link:loc xlink:href="tdg-20150930.xsd#tdg_DebtInstrumentIncreaseinFaceAmount" xlink:label="loc_tdg_DebtInstrumentIncreaseinFaceAmount_02341CBFF6F878103B38FD42A28AC92A" xlink:type="locator" />
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    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_FC9179D18AD5860F3D7CFD42A28A28E4_terseLabel_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_FC9179D18AD5860F3D7CFD42A28A28E4" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Letter of credit outstanding</link:label>
    <link:label id="lab_us-gaap_LettersOfCreditOutstandingAmount_FC9179D18AD5860F3D7CFD42A28A28E4_label_en-US" xlink:label="lab_us-gaap_LettersOfCreditOutstandingAmount_FC9179D18AD5860F3D7CFD42A28A28E4" xlink:role="http://www.xbrl.org/2003/role/label" xlink:type="resource" xml:lang="en-US">Letters of Credit Outstanding, Amount</link:label>
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    <link:label id="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_EF94961BFDD3E1CA744CFD42A28A2B75_terseLabel_en-US" xlink:label="lab_us-gaap_LineOfCreditFacilityRemainingBorrowingCapacity_EF94961BFDD3E1CA744CFD42A28A2B75" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Borrowings available under credit facility</link:label>
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    <link:label id="lab_tdg_TermLoansMember_8B8E6DC19CC6D51C3A4FF71C88A1E591_terseLabel_en-US" xlink:label="lab_tdg_TermLoansMember_8B8E6DC19CC6D51C3A4FF71C88A1E591" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:type="resource" xml:lang="en-US">Term Loans</link:label>
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