1941346301@qq.com
19924579082
Product Overview:
The 4939064 3914431 heavy-duty ductile iron flywheel fits 80–220HP Cummins B-series 4/6-cylinder engines for trucks & construction gear. Integrally cast with hardened gear teeth, it handles frequent start-stop & variable loads stably. Standard SAE #3 balanced interface matches clutches/crankshafts.
4939064 3914431 flywheel Specification:
| Item | Specs |
|---|---|
| PN | 4939064 3914431 |
| Cross Ref PN | 3900053 |
| Fit Engines | Cummins 4BT3.9 / 4BTA3.9 / 6BT5.9 / 6BTA5.9 / ISB5.9 / 6C8.3 |
| Power Coverage | 80–220 HP |
| Usage | Construction machinery & on-highway commercial trucks |
| Standard Interface | SAE #3 |
| Ring Gear | 159 induction-hardened teeth |
| Material | High-strength ductile iron, one-piece solid structure (no dual mass) |
| Mounting | 8 crankshaft bolt holes |
| Net Weight | 11.16 kg (24.6 lbs) |
| Balance | 100% factory dynamic balancing |
| Compatible Clutch | 10/11-inch single dry disc clutch |
Application:
✅Construction machinery: Excavators, loaders, motor graders
✅Commercial vehicles: Medium trucks, coaches, dump trucks
✅Stationary power: Generator sets, industrial water pumps, power units
Why Chooos Us?
✅ Promise Genuine Original Cummins Quality
✅China Cummins Parts Supplier with Price Advantage
✅ 6-month warranty, 100% dynamic balance test to avoid crack & slip
✅Moisture-proof wooden case for sea/land shipment, exports to EU, US & SE Asia
Name: Aandy
Mobile：
Tel：19924579082
Email：1941346301@qq.com
Add：5F, Block 4, Next Industrial Park, 136 Zhongkang Road, Futian Dist, Shenzhen
