. FOREWORD PRODUCT INFORMATION PRODUCT INFORMATION service or ordering replacement parts, please inform your Komatsu distributor following ENGINE SERIAL NUMBER PLATE AND ITS LOCATION 1 - 8 When requesting items. of the MACHINE SERIAL NUMBER PLATE AND ITS LOCATION On th e front bottom right of the operator's cab ( On th e right side of the e ngine cylinder block h (The E PA auxiliary name plate is on the top of t he No. 5 cylinder head cover EPA: Environmental Prot ection Agency, U.S.A .