1 Exhibit 23.1 CONSENT OF INDEPENDENT AUDITORS We consent to the incorporation by reference in the following Registration Statements of Park-Ohio Industries, Inc., for the registration of its common stock or senior subordinated notes due 2007 of our report dated February 16, 1998 with respect to the consolidated financial statements of Park-Ohio Industries, Inc. included in this Annual Report on Form 10-K for the year ended December 31, 1997. Shares/Dollars Registration Statement Description Registered - -------------------------------------------------------------------------------- Form S-3 (33-86054) Convertible Senior Subordinated Debt 363,094 Form S-8 (33-64420) 1992 Stock Option Plan 350,000 Form S-8 (33-01047) Individual Account Retirement Plan 1,500,000 Form S-8 (333-28407) Amended and Restated 1992 Stock 750,000 Option Plan and 1996 Non-Employee Director Stock Option Plan Form S-4 (333-43005) Senior Subordinated Notes due 2007 $150,000,000 /s/Ernst & Young LLP Cleveland, Ohio March 27, 1998