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EXHIBIT 32a

                        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 Twin Disc, Incorporated (the
"Company") on Form 10-K for the fiscal year ending June 30, 2004, as filed
with the Securities and Exchange Commission as of the date hereof (the
"Report"), I, Michael E. Batten, Chairman and Chief Executive Officer of the
Company, certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 906 of the Sarbanes-Oxley Act of 2002, that, to the best of my
knowledge:

    (1)    the Report fully complies with Section 13(a) 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/ MICHAEL E. BATTEN
                                     Michael E. Batten
                                     Chairman, Chief Executive Officer

                                     August 12, 2005