Travel Motor Assembly Final Drive Gearbox 21T-27-00400 21T-27-00410 21T-27-00402 For Komatsu PC2000-8 Excavator Spare Parts Travel Motor Assembly Final Drive Gearbox 92480040 90603140 For Komatsu PC4000-6 Excavator Spare Parts Product Overview The travel drive assembly (Final Drive) of Komatsu PC2000-8 large mining excavator integrates high-pressure piston travel motor and heavy-duty multi-stage planetary gear reducer. Mounted at the end of track frame, it drives the sprocket