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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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MIC-Info: RSA-MD5,RSA,
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<SEC-DOCUMENT>0001127602-11-006243.txt : 20110218
<SEC-HEADER>0001127602-11-006243.hdr.sgml : 20110218
<ACCEPTANCE-DATETIME>20110218074210
ACCESSION NUMBER:		0001127602-11-006243
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20110216
FILED AS OF DATE:		20110218
DATE AS OF CHANGE:		20110218

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			CONNOLLY PETER
		CENTRAL INDEX KEY:			0001492356

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-31369
		FILM NUMBER:		11622685

	MAIL ADDRESS:	
		STREET 1:		C/O CIT GROUP, 1 CIT DRIVE, #3251-9
		CITY:			LIVINGSTON
		STATE:			NJ
		ZIP:			07039

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CIT GROUP INC
		CENTRAL INDEX KEY:			0001171825
		STANDARD INDUSTRIAL CLASSIFICATION:	FINANCE LESSORS [6172]
		IRS NUMBER:				651051192
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0812

	BUSINESS ADDRESS:	
		STREET 1:		1 CIT DRIVE
		CITY:			LIVINGSTON
		STATE:			NJ
		ZIP:			07039
		BUSINESS PHONE:		9737405000

	MAIL ADDRESS:	
		STREET 1:		1 CIT DRIVE
		CITY:			LIVINGSTON
		STATE:			NJ
		ZIP:			07039

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CIT GROUP INC DEL
		DATE OF NAME CHANGE:	20020422
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>form4.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2011-02-16</periodOfReport>

    <issuer>
        <issuerCik>0001171825</issuerCik>
        <issuerName>CIT GROUP INC</issuerName>
        <issuerTradingSymbol>CIT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001492356</rptOwnerCik>
            <rptOwnerName>CONNOLLY PETER</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O CIT GROUP INC.</rptOwnerStreet1>
            <rptOwnerStreet2>1 CIT DRIVE, #3251-91</rptOwnerStreet2>
            <rptOwnerCity>LIVINGSTON</rptOwnerCity>
            <rptOwnerState>NJ</rptOwnerState>
            <rptOwnerZipCode>07039</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isOfficer>1</isOfficer>
            <officerTitle>Co-President, Corp. Finance</officerTitle>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
                <value>2011-02-16</value>
            </transactionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>A</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
                <footnoteId id="F1"/>
            </transactionCoding>
            <transactionTimeliness></transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>14586.6186</value>
                </transactionShares>
                <transactionPricePerShare>
                    <value>0</value>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>A</value>
                </transactionAcquiredDisposedCode>
            </transactionAmounts>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>25608.9386</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeTransaction>
    </nonDerivativeTable>

    <footnotes>
        <footnote id="F1">Restricted Stock Units are scheduled to vest one-third per year on the first, second and third anniversaries of the grant date.</footnote>
    </footnotes>

    <ownerSignature>
        <signatureName>/s/ James P. Shanahan, attorney-in-fact for Mr. Connolly</signatureName>
        <signatureDate>2011-02-18</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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