<SEC-DOCUMENT>0001246360-14-004273.txt : 20141104
<SEC-HEADER>0001246360-14-004273.hdr.sgml : 20141104
<ACCEPTANCE-DATETIME>20141104154208
ACCESSION NUMBER:		0001246360-14-004273
CONFORMED SUBMISSION TYPE:	3
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20141031
FILED AS OF DATE:		20141104
DATE AS OF CHANGE:		20141104

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GATX CORP
		CENTRAL INDEX KEY:			0000040211
		STANDARD INDUSTRIAL CLASSIFICATION:	TRANSPORTATION SERVICES [4700]
		IRS NUMBER:				361124040
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		222 WEST ADAMS STREET
		CITY:			CHICAGO
		STATE:			X1
		ZIP:			60606-5314
		BUSINESS PHONE:		3126216200

	MAIL ADDRESS:	
		STREET 1:		222 WEST ADAMS STREET
		CITY:			CHICAGO
		STATE:			X1
		ZIP:			60606-5314

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GENERAL AMERICAN TRANSPORTATION CORP
		DATE OF NAME CHANGE:	19750722

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			Wilson Stephen R
		CENTRAL INDEX KEY:			0001329553

	FILING VALUES:
		FORM TYPE:		3
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-02328
		FILM NUMBER:		141193003

	MAIL ADDRESS:	
		STREET 1:		C/O CF INDUSTRIES, INC.
		STREET 2:		ONE SALEM LAKE DRIVE
		CITY:			LONG GROVE
		STATE:			IL
		ZIP:			60047
</SEC-HEADER>
<DOCUMENT>
<TYPE>3
<SEQUENCE>1
<FILENAME>form.xml
<DESCRIPTION>PRIMARY DOCUMENT
<TEXT>
<XML>
<?xml version="1.0"?>
<ownershipDocument>

    <schemaVersion>X0206</schemaVersion>

    <documentType>3</documentType>

    <periodOfReport>2014-10-31</periodOfReport>

    <noSecuritiesOwned>0</noSecuritiesOwned>

    <issuer>
        <issuerCik>0000040211</issuerCik>
        <issuerName>GATX CORP</issuerName>
        <issuerTradingSymbol>GMT</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001329553</rptOwnerCik>
            <rptOwnerName>Wilson Stephen R</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>C/O 222 W. ADAMS ST.</rptOwnerStreet1>
            <rptOwnerStreet2></rptOwnerStreet2>
            <rptOwnerCity>CHICAGO</rptOwnerCity>
            <rptOwnerState>IL</rptOwnerState>
            <rptOwnerZipCode>60606</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>true</isDirector>
            <isOfficer>false</isOfficer>
            <isTenPercentOwner>false</isTenPercentOwner>
            <isOther>false</isOther>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeHolding>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
                    <value>0</value>
                </sharesOwnedFollowingTransaction>
            </postTransactionAmounts>
            <ownershipNature>
                <directOrIndirectOwnership>
                    <value>D</value>
                </directOrIndirectOwnership>
            </ownershipNature>
        </nonDerivativeHolding>
    </nonDerivativeTable>

    <remarks>Exhibit List:

Exhibit 1 - Confirming Statement</remarks>

    <ownerSignature>
        <signatureName>Lisa M. Ibarra, by Power of Attorney on behalf of Stephen R. Wilson</signatureName>
        <signatureDate>2014-10-31</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-24
<SEQUENCE>2
<FILENAME>confirmingstatementsrw.txt
<TEXT>
											Exhibit 1


CONFIRMING STATEMENT



This Statement confirms that the undersigned, Stephen R. Wilson,
has authorized and designated either Deborah A. Golden, Peter J.
Falconer, Marland O. Webb or Lisa M. Ibarra to execute and file
on the undersigneds behalf all Forms 3, 4 and 5 (including any
amendments thereto) that the undersigned may be required to file
with the U.S. Securities and Exchange Commission as a result of
the undersigneds ownership of or transactions in securities of
GATX Corporation.  The authority of Deborah A.Golden, Peter J.
Falconer, Marland O. Webb and Lisa M. Ibarra under this
Statement shall continue until the undersigned is no longer
required to file Forms 3, 4 and 5 with regard to the undersigneds
ownership of or transactions in securities of GATX Corporation,
unless earlier revoked in writing.  The undersigned acknowledges
that neither Deborah A. Golden, Peter J. Falconer, Marland O. Webb,
nor Lisa M. Ibarra is assuming any of the undersigneds responsibilities
to comply with Section 16 of the Securities Exchange Act of 1934.



Date:  October 31, 2014




/s/ Stephen R. Wilson
Stephen R. Wilson
r J. Falconer, Marland O. Webb,
nor Lisa M. Ibarra is assuming any of the undersigneds resp
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
