... 7/8 Komatsu genuine parts: Travel motor / final drive parts: bub,bearing,carrier, gear,washer, sprocket 1. excavator parts: Engine:cylinder head, ... shoe, track link, front idler, track roller, carrier roller,track frame and parts etc. Work equipment: boom, arm, bucket and ... , Sumitomo, Kato, and other Komatsu parts.Final drive ass'y and all parts are in stock. Planet carrier- excavator final travel ...