8-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): August 10, 2006

GATX Financial Corporation

(Exact name of registrant as specified in its charter)

Delaware	1-8319	94-1661392
(State or other jurisdiction of incorporation)	(Commission File) Number)	(IRS Employer Identification No.)

500 West Monroe Street
Chicago, Illinois	60661-3676
(Address of principal executive offices)	(Zip Code)

Registrant’s telephone number, including area code (312) 621-6200

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the obligation of the registrant under any of the following provisions:

o Written communication pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)

o Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b))

o Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))

TABLE OF CONTENTS

	Item 8.01. Other Events.
	Item 9.01 Financial Statements and Exhibits.
SIGNATURE
EXHIBIT INDEX
News Release

Item 8.01. Other Events.

     On August 10, 2006, GATX Rail, a division of GATX Financial Corporation, a wholly owned subsidiary of GATX Corporation, announced that it signed a railcar purchase agreement with American Railcar Industries, Inc., under which it will acquire up to 4,000 newly manufactured railcars, subject to the exercise of various options, beginning in 2008.

     A copy of the news release announcing this action is included as an exhibit to this report.

Item 9.01 Financial Statements and Exhibits.

     (d) Exhibits

          99.1 News Release dated August 10, 2006.

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

GATX FINANCIAL CORPORATION

(Registrant)

/s/ Deborah A. Golden

Deborah A. Golden

Vice-President, General Counsel and Secretary

(Duly Authorized Officer)

Date: August 14, 2006

EXHIBIT INDEX

Exhibit No.	Description	Method of Filing
99.1	News Release of GATX Rail, dated August 10, 2006 announcing a railcar purchase agreement with American Railcar Industries, Inc.	Filed Electronically

EX-99.1

FOR RELEASE: IMMEDIATE

GATX RAIL ANNOUNCES NEW RAILCAR ORDER

     CHICAGO, August 10 - GATX Rail today announced that it signed a railcar purchase agreement, under which it will acquire up to 4,000 newly manufactured railcars, subject to the exercise of various options, from American Railcar Industries Inc. (ARI) beginning in 2008.

     James F. Earl, executive vice president — rail for GATX, stated, “We are pleased to expand our relationship with ARI, a high-quality supplier of railcars in North America. This order continues GATX Rail’s practice of securing access to railcar supply through the use of long-term agreements with key suppliers and will provide us with a base level supply of modern, high-capacity railcars allowing us the flexibility and capability to meet customer needs.”

     GATX Rail is one of the largest railcar and locomotive leasing companies in the world and one of the largest tank car and specialized railcar leasing companies in North America. GATX Rail’s North American owned railcar fleet totaled approximately 108,000 cars on June 30, 2006.

COMPANY DESCRIPTION

     GATX Rail is a division of GATX Financial Corporation, a wholly owned subsidiary of GATX Corporation (NYSE: GMT). GATX provides lease financing and related services to customers operating rail, air, marine and other targeted assets. GATX is a leader in leasing transportation assets and controls one of the largest railcar fleets in the world. Applying over a century of operating experience and strong market and asset expertise, GATX provides quality assets and services to customers worldwide. GATX has been headquartered in Chicago, IL since its founding in 1898 and has traded on the New York Stock Exchange since 1916. For more information, visit the Company’s website at www.gatx.com.

FOR FURTHER INFORMATION CONTACT:
Rhonda S. Johnson
Director, Investor Relations
GATX Corporation
312-621-6262
rhonda.johnson@gatx.com
Investor, corporate, financial, historical financial, photographic and news release information may be found at www.gatx.com.

(08/10/06)

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