1 EXHIBIT 23 CONSENT OF INDEPENDENT ACCOUNTANTS We hereby consent to the incorporation by reference in the Registration Statement on Form S-8 (No. 333-99229) of Twin Disc, Incorporated of our report dated May 13, 2005 relating to the financial statements of Twin Disc, Incorporated - The Accelerator 401(k) Savings Plan, which appear in this Form 11-K. /s/ Reilly, Penner & Benton LLP - ------------------------------- Milwaukee, Wisconsin June 24, 2005