. FOREWORD PRODUCT INFORMATION PRODUCT INFORMATION When requesting service or ordering replacement parts, please inform your Komatsu distributor of the following items. PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE EPA REGULATIONS, ENGINE NUMBER PLATE On the upper side of the engine cylinder head cover. 1 - 5 On the bottom right of the op The design of the nameplate differs according to the territory. EPA: Environmental Protecti on Agency, U.S.A.