Tunway Heavy Machinery Industry Co., Ltd. is a professional supplier for heavy equipment replacement parts. Our business
covers Komatsu, Caterpillar, Hitachi, Volvo, Sumitomo, Kobelco, Kato, Doosan-Daewoo, Hyundai, Liebherr, etc.
With over 15 years experience in construction machinery field, we dedicated and knowledgeable engineering and sales
staff are well prepared to provide not only qualified products but also professional advice and recommendations.
Tunway's core business mainly covers
1. Hydraulic pump parts: head cover, cam rocker, retainer plate, ball guide, valve plate, piston, cylinder block, drive shaft,
center pin, coil spring, piston of cam rocker, socket bolt, holder, shoe plate, separation plate, etc.
2. Final drive parts and reduction gear parts: reduction gear unit, transmission gear,
RV gear, swing shaft, sun gear, crankshaft, planet shaft, planet gear, carrier, travel hub,
pump gas, bearing, shaft housing, bearing block, cover, etc.
3. Engine parts: liner kit, piston, liner, piston ring, engine bearing. cylinder block, cylinder head,
crankshaft, camshaft, connecting rod, valve, etc.
4. Seals and seal kits: Floating seal, piston seal, rod seal, dust seal, buffer ring, back up ring, o ring, oil
seal, boom cylinder seal kit, arm cylinder seal kit, bucket cylinder seal kit, center joint seal kit, main
pump seal kit, control valve seal kit, adjust seal kit, swing motor seal kit, travel motor seal kit, pilot valve
seal kit, etc.
5. Undercarriage: front idler, carrier roller, track roller, track link, track chain, sprocket, track shoe, bolt and nut, etc.
6. Electrical parts: controller, alternator, starter, relay, sensor, solenoid valve, start switch, pressure switch, pressure valve,
7. Filters: fuel filter, oil filter, hydraulic filter, air filter, pilot filter, strainer, oil water separator, etc.
8. Wearing parts and tools.