Cummins
Crankshaft for Cummins 6L
This crankshaft is designed for the Cummins 6L engine. It facilitates the conversion of reciprocating piston motion into rotational force to drive the machinery.
Compatible models
Specifications
- Part number
- 4989436
- Brand
- Cummins
The crankshaft, identified by part number 4989436, serves as a primary rotating component within the Cummins 6L engine assembly. It functions by converting the linear reciprocating motion of the engine pistons into the rotational torque required to power the machine. This component is engineered to manage the compression and combustion forces exerted within the engine cylinders during operation, while also accommodating the torsional and bending loads inherent in the engine cycle.
This crankshaft is compatible with the Cummins 6L engine series. It is manufactured to meet the specific dimensional and balance requirements of this engine platform to ensure proper integration and rotational stability. Maintaining the structural integrity of the crankshaft is necessary for the mechanical output of the engine.
In internal combustion engines, the crankshaft acts as the central axis for power transmission. It connects to the connecting rods and rotates within the engine block, supported by main bearings. By translating piston movement, it provides the rotational output that eventually drives the transmission and hydraulic systems of the crane or heavy equipment.

