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OEM Precision Engine Crankshaft Parts 6BT 5.9 3929037 3903828 3905619 3907804
OEM Engine Crankshaft Parts
,6BT 5.9 Engine Crankshaft Parts
,3929037
Engine Crankshaft Parts precision machined Crankshaft 6BT 5.9 3929037 3903828 3905619 3907804
This crankshaft part number 3929037 is developed for 6BT 5.9L series diesel engines, one of the most popular engines fitted on heavy trucks, wheel loaders, excavators and generator units. The engine runs under frequent heavy torque and variable load conditions. This crankshaft is made of premium forged steel. All main journals and crank pin journals are precision ground and nitrided to boost surface hardness and anti-wear capability. Fillet rolling strengthens the stress area to prevent fatigue fracture during continuous operation. Each unit is tested for dynamic balance and full dimensions. Tight machining tolerances guarantee easy fitment, reduce bearing wear and deliver stable performance for repair workshops and fleet overhaul jobs.
Crankshaft | 3929037 6BT 5.9L
▪ OE Part No.: 3929037 ▪ Compatible Engine: 6BT, 6BTA5.9
▪ Application: Heavy truck, excavator, loader, generator set
▪ Material: High-strength forged steel
▪ Machining: Precision journal grinding + nitriding treatment
▪ QC Standard: Dynamic balance, dimensional inspection, fillet check
Description: This heavy-duty crankshaft is the core rotating assembly for 6BT 5.9L diesel engines. Nitrided journals provide excellent wear resistance. Reinforced fillet structure improves fatigue performance and avoids cracking under long-time heavy loads. Every crankshaft passes complete QC tests before shipment to ensure smooth rotation and reliable power.
| Item | Specification |
|---|---|
| Product Name | Engine Crankshaft |
| Engine Model | 6BT 5.9L / 6BTA5.9 |
| OE Number | 3929037 |
| Material | High-strength Forged Steel |
| Surface Treatment | Precision Grinding + Nitriding |
| Inspection Items | Dynamic Balance Test, Dimension Check, Fillet Inspection |
| Cylinder | 6 Cylinder Diesel Engine |
| Application | Heavy Truck, Loader, Excavator, Generator Set |
| Product Type | Aftermarket Replacement Spare Part |
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