. FOREWORD NECESSARY INFORMATION from the fan.) BLADE SERIAL NO. PLATE POSITION This is located on the upper right of blade back surface. RIPPER SERIAL NO. PLATE POSITION This is located on the left side surface of ripper beam. 1 - 11 (The additional EPA nameplate is located on top of the engine head cover on the right si de of the engine as EPA: Environmental Protection Agency, U.S.A.