Exhibit 99

            Written Statement of the Chief Executive Officer and the
           Chief Financial Officer Pursuant to 18 U.S.C. Section 1350


Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C. Section
1350, each of the undersigned certifies that to the best of our knowledge:

(1)    the Quarterly Report on Form 10-Q of A. O. Smith Corporation for the
       quarter ended September 30, 2002 (the "Report") fully complies with the
       requirements of Section 13(a) or Section 15(d) of the Securities Exchange
       Act of 1934; and

(2)    the information contained in the Report fairly presents, in all material
       respects, the financial condition and results of operations of A. O.
       Smith Corporation.


Dated: November 5, 2002


/s/ Robert J. O'Toole
Robert J. O'Toole
Chairmen, President, and Chief Executive Officer



/s/ Kenneth W. Krueger
Kenneth W. Krueger
Senior Vice President and Chief Executive Officer