. FOREWORD NECESSARY INFORMATION NECESSARY INFORMATION When requesting service or ordering replacement parts, please inform your Komatsu distributor of the following items. 1 - 8 PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL On the center right of the fron t frame. differs according to the territory. The design of the nameplate ENGINE SERIAL NO. P This is on the side face of the engine cover on the right EPA: Environmental Protecti on Agency, U.S.A.