. FOREWORD LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR 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 1 - 7 LOCATION OF PLATES, TABLE TO ENTER SERIAL DISTRIBUTOR It is located on the left front end The design of the nameplate diff It is located on the upper left sid e of the engine cylinder block if you look from the EPA : Environmental Protection Agency, U.S.A.