Exhibit 23
Consent of Independent Registered Public Accounting Firm
We consent to the incorporation by reference in the Registration Statement (No. 333-000606) on Form S-8 of Twin Disc Incorporated of our report dated June 24, 2009 with respect to the statements of net assets available for benefits of the Twin Disc Incorporated – The Accelerator 401(k) Savings Plan for the years ended December 31, 2008 and 2007, the related statements of changes in net assets available for benefits for the year ended December 31, 2008, and the related supplemental schedule of assets held for investment purposes as of December 31, 2008 annual report on Form 11-K of the Twin Disc Incorporated – The Accelerator 401(k) Savings Plan.
/s/ Reilly, Penner & Benton LLP
Milwaukee, Wisconsin
June 24, 2009