. FOREWORD PRODUCT INFORMATION PRODUCT INFORMATION When requesting service or ordering replacement parts, your Komatsu distributor following items. ENGINE SERIAL NUMBER PLATE AND ITS LOCATION 1 - 8 please infor of the MACHINE SERIAL NUMBER PLATE AND ITS LOCATION On the front bottom right of the o perator's cab (side of upper This is at the top of the startin g motor on the right side f ace of the e ngine (rear of machine)