EXHIBIT 32.2


                                  CERTIFICATION





                    In connection with the accompanying Quarterly Report on Form
              10-Q/A (the "Report") of Lindsay Manufacturing Co. (the "Company")
              for the quarter ended May 31, 2003, 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/ BRUCE C. KARSK
                      -------------------------------
                      Executive Vice President and Chief Financial Officer
                      Bruce C. Karsk

                      October 10, 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.





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