... excavator travel motor 1.inner parts:Bub,bearing,carrier gear,washer, sprocket 2.PC55/56/60/200/220/300-7/8 Komatsu ... genuine parts: Travel motor / final drive parts: bub,bearing,carrier, gear ... Under carriage: Track shoe, track link, front idler, track roller, carrier roller,track frame and parts etc. Work equipment: boom, arm ...