... excavator travel motor 1.inner parts:Bub,bearing,carrier gear,washer, sprocket 2.PC55/56/60/200/220/300- ... Komatsu genuine parts: Travel motor / final drive parts: bub,bearing,carrier, gear,washer, sprocket 1. excavator parts: Engine:cylinder head, cylinder ... carriage: Track shoe, track link, front idler, track roller, carrier roller,track frame and parts etc. Work equipment: boom, arm, bucket and ...