Komatsu
Crankshaft for Komatsu
This crankshaft is a primary engine component designed for Komatsu diesel engines used in heavy machinery and cranes. It facilitates the conversion of reciprocating piston movement into rotational output.
Specifications
- Part number
- 6710311112
- Brand
- Komatsu
The crankshaft 6710311112 serves as the central rotating shaft within the engine assembly. It is engineered to receive the linear force transmitted by the pistons and connecting rods, converting this energy into the continuous rotational motion required to drive the machine. The component features precision-machined connecting rod journals and main journals that interface with engine bearings to maintain smooth operation during the combustion cycle.
This part is compatible with various Komatsu diesel engines utilized across construction, mining, and crane equipment. The design incorporates integrated counterweights to manage inertial forces and ensure rotational balance during engine operation. Proper alignment and structural integrity of this shaft are necessary to maintain the power output and mechanical efficiency of the engine system.
In any internal combustion engine, the crankshaft acts as the backbone of the power delivery system. By translating the reciprocating action of the pistons into torque, it provides the rotational force necessary to power hydraulic pumps, transmissions, and other auxiliary systems. Maintaining the specified tolerances of the journals and the balance of the shaft is essential for the overall health of the engine block and its associated rotating assemblies.

