Category 1 - Sealing parts: Oil Seal, O-rings, seal kits, etc.
Category 2 - Hydraulic parts: Hydraulic pump, main valve, hydraulic cylinder, final drive, travel motor, swing machinery, swing motor, etc.
Category 3 - Engine parts: Engine assembly, piston, piston ring, cylinder block, cylinder head, crankshaft, turbocharger, fuel injection pump, starting motor, alternator, etc.
Category 4 - Undercarriage parts: Track roller, carrier roller, track link, track shoe, sprocket, idler, idler cushion, etc.
Category 5 - Cab parts: Operator's cab, wiring harness, monitor, controller, seat, door, etc.
Category 6 - Cooling parts: Radiator, air conditioner, compressor, after cooler, etc.
Category 7 - Other parts: Service kit, filter, swing circle, engine hood, swivel joint, fuel tank, boom, arm, bucket, etc.