. FOREWORD PRODUCT INFORMATION PRODUCT INFORMATION When requesting service or ordering replacement parts, please inform your Komatsu distributor of the following items. ENGINE SERIAL NUMBER PLATE AND ITS LOCATION This is on the side face of the engine cylinder block. 1 - 8 PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. P On the bottom right of the o The design of the namepla te differs according to the territory.