EXHIBIT 32.1

                                  CERTIFICATION

         In connection with the accompanying Annual Report on Form 10-K (the
"Report") of Lindsay Manufacturing Co. (the "Company") for the year ended August
31, 2003, I, Richard W. Parod, Chief Executive Officer of the Company and I,
Bruce C. Karsk, Chief Financial Officer of the Company, hereby certify pursuant
to 18 U.S.C. Section 1350 as adopted pursuant to Section 906 of the
Sarbanes-Oxley Act of 2002, to my knowledge, that:

         (1)      the Report fully complies with the requirements of section
                  13(a) or 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 the Company.

         /s/ RICHARD W. PAROD
         ---------------------------------------
         President and Chief Executive Officer
         Richard W. Parod

         /s/ BRUCE C. KARSK
         -------------------------------------------------------
         Executive Vice President and Chief Financial Officer
         Bruce C. Karsk

         November 21, 2003

         A signed original of this written statement required by Section 906 has
been provided to the Company and will be retained by the Company and furnished
to the Securities and Exchange Commission or its staff upon request.