. FOREWORD NECESSARY INFORMATION NECESSARY INFORMATION When requesting service or ordering replacement parts, please inform your Komatsu distributor of the following items. EPA REGULATIONS, ENGINE NUMBER PLATE This is on the side face of the engine on the right side of the machine. 1 - 5 PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLA On the center right of the front frame. iffers according to the territory. The design of the nameplate d EPA: Environmental Protectio n Agency, U.S.A.