Komatsu
Crankshaft for Komatsu machinery
This crankshaft 6211311010 serves as a central component within the engine assembly of Komatsu heavy equipment. It is designed to facilitate the conversion of linear piston movement into the rotational force required to drive the machine transmission and hydraulic systems.
Specifications
- Part number
- 6211311010
- Brand
- Komatsu
The crankshaft is a fundamental internal engine component that converts the reciprocating linear motion of the pistons into rotational motion. This rotational energy is transferred to the flywheel and subsequently to the transmission, powering the drivetrain and hydraulic pump systems of the heavy machinery. Proper alignment and balance of this component are necessary for the smooth operation of the engine assembly.
This part is compatible with various Komatsu heavy equipment models. It is manufactured to meet specific design requirements for engine integration. As a core rotating assembly, the crankshaft must maintain precise tolerances to interface correctly with connecting rods and main bearings within the engine block.
In heavy machinery engines, the crankshaft acts as the primary output shaft. It is supported by main bearings and experiences significant rotational forces during operation. By converting piston strokes into torque, the crankshaft enables the machine to perform its intended work, whether in lifting applications or ground engagement tasks.

