8-K

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SECURITIES AND EXCHANGE COMMISSION
Washington, DC 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): March 18, 2003

STEWART & STEVENSON SERVICES, INC.
(Exact name of registrant as specified in its charter)

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

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

Item 7.    Exhibits.

Exhibit 99.1 Company Press Release dated March 17, 2003, titled "Stewart & Stevenson Announces Fiscal 2002 Fourth Quarter Earnings Release and Conference Call Schedule".

Item 9.    Regulation FD Disclosure.

        On March 17, 2003, Stewart & Stevenson Services, Inc. (the "Company") issued the press release attached hereto as Exhibit 99.1.

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: March 18, 2003	By:	/s/  JOHN B. SIMMONS Name: John B. Simmons Title: Vice President and Chief Financial Officer

EXHIBIT INDEX

99.1

Company Press Release dated March 17, 2003, titled Stewart & Stevenson Announces Fiscal 2002 Fourth Quarter Earnings Release and Conference Call Schedule.

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Item 7. Exhibits.
Item 9. Regulation FD Disclosure.

SIGNATURES

EXHIBIT INDEX

EX-99.1

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Exhibit 99.1

Press Release

[LOGO] Contact: John Simmons, V.P. & CFO
Stewart & Stevenson Services, Inc.
713-868-7700

Ken Dennard / kdennard@drg-e.com
Lisa Elliott / lisae@drg-e.com
DRG^&E
713-529-6600

STEWART & STEVENSON ANNOUNCES FISCAL 2002 FOURTH QUARTER
EARNINGS RELEASE AND CONFERNECE CALL SCHEDULE

HOUSTON—MARCH 17, 2003—Stewart & Stevenson Services, Inc. (NYSE: SVC), today announced plans to release its fiscal 2002 fourth quarter results on Wednesday, March 26, 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 Wednesday, March 26th at 11:00 a.m. eastern time.

What:	Stewart & Stevenson Fourth Quarter Earnings Call
When:	Wednesday, March 26th, 2003 — 11:00 a.m. eastern time
How:	Live via phone—By dialing 303-262-2130 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

A telephonic replay of the conference call will be available through Wednesday, April 2nd, 2003, and may be accessed by dialing 303-590-3000 and using pass code 531304. An audio archive will also be available on the Stewart & Stevenson website at www.ssss.com shortly after the call and will be accessible for approximately 90 days. For more information, please contact Karen Roan at DRG&E 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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Exhibit 99.1