<SEC-DOCUMENT>0001193125-21-232492-index.html : 20210802
<SEC-HEADER>0001193125-21-232492.hdr.sgml : 20210802
<ACCEPTANCE-DATETIME>20210802091651
ACCESSION NUMBER:		0001193125-21-232492
CONFORMED SUBMISSION TYPE:	424B3
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20210802
DATE AS OF CHANGE:		20210802

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:	333-233276
		FILM NUMBER:		211134913

	BUSINESS ADDRESS:	
		STREET 1:		233 SOUTH WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606-7147
		BUSINESS PHONE:		3126216200

	MAIL ADDRESS:	
		STREET 1:		233 SOUTH WACKER DRIVE
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60606-7147

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	GENERAL AMERICAN TRANSPORTATION CORP
		DATE OF NAME CHANGE:	19750722
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B3
<SEQUENCE>1
<FILENAME>d131708d424b3.htm
<DESCRIPTION>424B3
<TEXT>
Document 1 - file: d131708d424b3.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g131708g27y99.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g131708g27y99.jpg

</DOCUMENT>
</SEC-DOCUMENT>