FOREWORD Necessary information Machine serial No. plate and position Necessary information 0. When requesting service or ordering replacement parts, please inform your Komatsu distributor of the following items. Machine serial No. plate and position 0. On the center right of the front frame. Engine serial No. plate and position 0. This is on the side face of the engine cover on the right side of the machine. EPA: Environmental Protection Agency, U.S.A. 1-7