. FOREWORD NECESSARY INFORMATION NECESSARY INFORMATION When requesting service or ordering replacement parts, please inform your Komatsu distributor of the following items. MACHINE SERIAL NO. PLATE AND POSITION On the center right of the front frame. EPA: Environmental Protection Agency, U.S.A. 1 - 8 ENGINE SERIAL NO. PL ATE AND POSITION This is on the side face of the engine cover on the right side of the ma