. FOREWORD LOCATION OF PLATES, TABLE TO ENTER SERIAL NO. AND DISTRIBUTOR PRODUCT IDENTIFICATION NUMBER (PIN)/MACHINE SERIAL NO. PLATE EPA REGULATIONS, ENGINE NUMBER PLATE 1 - 6 LOCATION OF PLATES, TABLE TO ENTER SERIAL DISTRIBUTOR When requesting service or orde ring replacement parts, contact your Komatsu dis It is lo cated on the left front end The d esign of the nameplate diff It is lo cated on the upper left sid e of the engine cylinder block if you look from the EPA: Environmental Protection Agency, U.S.A.