PRODUCT IDENTIFICATION 1.4.5 SWING MOTOR SERIAL NUMBER (for PC20R only) The serial number of the swing reduction gear is stamped on the plate positioned on the swing motor head. RWA09980 1.4.6 SWING REDUCTION GEAR SERIAL NUMBER (for PC27R only) The serial number is stamped on the plate positioned laterally on the reduction gear body. RWA09990 1.4.7 CAB SERIAL NUMBER The CAB serial number is stamped on the plate positioned on the top left side. 8