1) Komatsu engine parts: cylinder block ass'y, crankshaft, camshaft, main metal ass'y, thrust metal ass'y, piston, piston ring, connecting rod, intake valve ass'y, exhaust valve ass'y, service kit, cylinder head, turbocharger, water pump, oil pump, alternator, starting motor, oil pan, diesel pump and so on.

2) Komatsu hydraulic parts: hydraulic pump ass'y, hydraulic pump parts(block ass'y, plate valve, guide retainer, retainer shoe, piston sub ass'y, cradle ass'y--cradle, cam rocker), swing motor, swing machinery, swing circle, main control valve, travel motor, boom cylinder, arm cylinder, bucket cylinder and so on.