-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
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 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 SPbVAdumFiY0PDKmwJgehi+X4ynzpmZwldlOzDqjRaHr+Kie6gyO+aTK0pEV6qyn
 vWWBP1gys5zjGSDDo3djZQ==

<SEC-DOCUMENT>0000950137-05-001554.txt : 20050211
<SEC-HEADER>0000950137-05-001554.hdr.sgml : 20050211
<ACCEPTANCE-DATETIME>20050211111323
ACCESSION NUMBER:		0000950137-05-001554
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20050211
DATE AS OF CHANGE:		20050211

FILER:

	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

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-110451
		FILM NUMBER:		05595891

	BUSINESS ADDRESS:	
		STREET 1:		500 W MONROE ST
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60661
		BUSINESS PHONE:		3126216200

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

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			GATX FINANCIAL CORP
		CENTRAL INDEX KEY:			0000357019
		STANDARD INDUSTRIAL CLASSIFICATION:	TRANSPORTATION SERVICES [4700]
		IRS NUMBER:				941661392
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B3
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-110451-01
		FILM NUMBER:		05595892

	BUSINESS ADDRESS:	
		STREET 1:		500 W MONROE ST
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60661-3676
		BUSINESS PHONE:		4159553200

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GATX CAPITAL CORP
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GATX LEASING CORP
		DATE OF NAME CHANGE:	19900405
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>c92132b3e424b3.txt
<DESCRIPTION>PROSPECUTS SUPPLEMENT NO. 7 PURSUANT TO RULE 424(B)(3)
<TEXT>
<PAGE>

                                                FILED PURSUANT TO RULE 424(B)(3)
                                                     REGISTRATION NO. 333-110451
                                                                   333-110451-01

PROSPECTUS SUPPLEMENT NO. 7

                                  $125,000,000
                                GATX CORPORATION
                      5% SENIOR CONVERTIBLE NOTES DUE 2023
                     FULLY AND UNCONDITIONALLY GUARANTEED BY
                           GATX FINANCIAL CORPORATION
                           AND SHARES OF COMMON STOCK
                      ISSUABLE UPON CONVERSION OF THE NOTES

         This prospectus supplement supplements the prospectus dated January 20,
2004 of GATX Corporation and GATX Financial Corporation, as supplemented by
prospectus supplement No. 1 dated January 30, 2004, prospectus supplement No. 2
dated March 15, 2004, prospectus supplement no. 3 dated April 16, 2004,
prospectus supplement no. 4 dated June 2, 2004, prospectus supplement no. 5
dated October 6, 2004 and prospectus supplement no. 6 dated November 23, 2004,
relating to the sale by certain holders of our 5% Senior Convertible Notes due
2023 and the shares of our common stock issuable upon conversion of the notes.
You should read this prospectus supplement in conjunction with the prospectus.
This prospectus supplement is qualified by reference to the prospectus except to
the extent that the information in this prospectus supplement supersedes the
information contained in the prospectus. Capitalized terms used in this
prospectus supplement and not otherwise defined herein have the meanings
specified in the prospectus.


         The following line items are hereby added to the table of Selling
Holders contained in the prospectus:


<TABLE>
<CAPTION>
                                               PRINCIPAL AMOUNT OF
                                               NOTES BENEFICIALLY        NUMBER OF SHARES
                                                   OWNED THAT            OF COMMON STOCK
NAME OF SELLING HOLDER                             MAY BE SOLD           THAT MAY BE SOLD
- ----------------------                         -------------------       ----------------
<S>                                            <C>                       <C>
S.A.C. Arbitrage Fund, LLC....................      2,000,000                 83,575
</TABLE>


         INVESTING IN THE NOTES AND OUR COMMON STOCK INVOLVES RISKS. SEE "RISK
FACTORS" BEGINNING ON PAGE 5 OF THE PROSPECTUS.

                                   ----------

         NEITHER THE SECURITIES AND EXCHANGE COMMISSION NOR ANY STATE SECURITIES
COMMISSION HAS APPROVED OR DISAPPROVED OF THESE SECURITIES OR PASSED UPON THE
ACCURACY OR ADEQUACY OF THIS PROSPECTUS. ANY REPRESENTATION TO THE CONTRARY IS A
CRIMINAL OFFENSE.

                                   ----------

           The date of this prospectus supplement is February 11, 2005
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
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