8-K

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):  May 20, 2003

STEWART & STEVENSON SERVICES, INC.

(Exact name of registrant as specified in its charter)

Texas	0-8493	74-1051605
(State or other jurisdiction	(Commission File Number)	(I.R.S. Employer
of incorporation)		Identification No.)
2707 North Loop West
Houston, Texas		77008
(Address of principal executive offices)		(Zip code)

Registrant’s telephone number, including area code:  (713) 868-7700

Item 7.    Exhibits.

Exhibit 99.1            Company Press Release dated May 19, 2003, titled “Stewart & Stevenson Services Announces Fiscal 2003 First Quarter Earnings Release and Conference Call Schedule.

Item 9.    Regulation FD Disclosure.

On May 19, 2003, Stewart & Stevenson Services, Inc. (the “Company”) issued the press release attached hereto as Exhibit 99.1.

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SIGNATURES

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 hereto duly authorized.

	STEWART & STEVENSON SERVICES, INC.
Date:  May 20, 2003	By:	/s/ John B. Simmons
	Name:		John B. Simmons
	Title:		Vice President and Chief Financial Officer

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EXHIBIT INDEX

99.1 Company Press Release dated May 19, 2003, titled Stewart & Stevenson Services Announces Fiscal 2003 First Quarter Earnings Release and Conference Call Schedule.

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EX-99.1

	PRESS RELEASE
	Contact:	John Simmons, VP & CFO
		Stewart & Stevenson Services, Inc.
		713-868-7700
		Ken Dennard / kdennard@drg-e.com
		Lisa Elliott / lelliott@drg-e.com
		DRG&E
		713-529-6600
FOR IMMEDIATE RELEASE

STEWART & STEVENSON ANNOUNCES FISCAL 2003 FIRST QUARTER
EARNINGS RELEASE AND CONFERENCE CALL SCHEDULE

HOUSTON – MAY 19, 2003 – Stewart & Stevenson Services, Inc. (NYSE: SVC), today announced plans to release its fiscal 2003 first quarter results on Friday, May 30, 2003 at 6:00 a.m. eastern time.  In conjunction with the release, Stewart & Stevenson has scheduled a conference call, which will be broadcast live over the Internet, on Friday, May 30th at 11:00 a.m. eastern time.

What:	Stewart & Stevenson First Quarter Earnings Call
When:	Friday, May 30th, 2003 – 11:00 a.m. eastern time
How:	Live via phone - By dialing 303-262-2076 and asking for the Stewart & Stevenson call at least 10 minutes prior to the start time – OR live over the Internet by logging on to the web address below:
Where:	http://www.ssss.com The call may be accessed on the home page of Stewart & Stevenson’s website under the heading “In the Spotlight”, or on the Investor Relations web page.

A telephonic replay of the conference call will be available through Friday, June 6, 2003, and may be accessed by dialing 303-590-3000 and using pass code 539379. An audio archive will also be available on the Stewart & Stevenson website at www.ssss.com (on the home page under the heading “In the Spotlight” or on the Investor Relations page) shortly after the call and will be accessible for approximately 12 months on the Investor Relations page.  For more information, please contact Karen Roan at  at 713-529-6600 or email kroan@drg-e.com.

Stewart & Stevenson Services, Inc., founded in 1902, is a billion-dollar company that manufactures, distributes and provides service for a wide range of industrial products and diesel-powered equipment to key industries worldwide, including power generation, defense, airline, marine, petroleum and transportation.  For more information on Stewart & Stevenson visit www.ssss.com.

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