Description: 1) Komatsu engine parts: engine block, cylinder block, the cylinder assembly, four matching, crankshaft, camshaft, the size of tile, intake and exhaust valves, overhaul kits, cylinder head (cylinder head), turbocharger , water pump, oil pump, generator, starter motor, oil pan, diesel pumps, high pressure pumps, fuel injectors, fuel injector, thermostat. 2) Komatsu hydraulic accessories: hydraulic pump assembly and accessories (pumps bile, piston, valve plate, abalone plate, copper ball, swing plane) rotary motor, slewing gear, rotation body assembly, slewing bearings, slewing turntable, swivel joints, center joints, joint repair kits, dispensing valve, multi-valve, the main valve, the boom cylinder, boom cylinder, arm cylinder, arm cylinder, bucket cylinder, cylinder repair kits. 3) Komatsu chassis parts: chain, track shoe, ring, supporting wheels, roller, guide wheel, up tight cylinder, tensioner spring, bucket, bucket, pin sets, walking motor, running gear, final drive . 4) Cab Accessories: cab, the driver's door lock cylinder, interior panels, glass, display, monitor, computer board, the engine computer board, pump controller, seats, the main wiring harness, inside outside, the air conditioning control panel, walking PPC valve, floor mats, dashboard, wiper assembly, wiper motor assembly, the pilot, the pilot pump. 5) water radiator bulk oil bulk oil cooled oil cooler assembly boom boom assembly assembly assembly arm assembly arm extended arm size main business companies: Komatsu PC60, PC200, PC210, PC220, PC270, PC300, PC360, PC400 excavator series; Shantui SD32-5, TY320B, SD23, SD22, SD16, SD13, SD13B, SD08 bulldozer; WA320,380,420,470,600 Komatsu loaders; Komatsu D50, D60, D65, D80, D85, D155, D355 bulldozer.