. FOREWORD NECESSARY INFORMATION NECESSARY 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 On the center right of the front frame. The design of the nameplate differs according to the territory. EPA REGULATIONS, ENGINE NUMBER PLATE On the upper left of the cylinder block, when seen from the fan side. EPA: Environmental Protection Agency, U.S.A. 1 - 7