Exhibit 32.1

                          CERTIFICATION PURSUANT TO
                           18 U.S.C. SECTION 1350,
                           AS ADOPTED PURSUANT TO
                SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Annual Report of Gardner Denver, Inc. on Form 10-K
for the period ended December 31, 2003 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, Ross J. Centanni,
Chairman, President and Chief Executive Officer of Gardner Denver, Inc.,
certify to the best of my knowledge, pursuant to 18 U.S.C. Section 1350, as
adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 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 Gardner Denver, Inc.

                                         By: /s/ Ross J. Centanni
                                            ---------------------
                                         Ross J. Centanni
                                         Title: Chairman, President & CEO
                                         Gardner Denver, Inc.
March 10, 2004