Komatsu
Piston for Komatsu
This piston is a core engine component designed for use in various Komatsu heavy machinery applications. It functions within the combustion chamber to convert energy from the air-fuel mixture into mechanical motion, facilitating the operation of the engine.
Specifications
- Part number
- 6137-31-2112
- Brand
- Komatsu
The piston 6137-31-2112 serves as a primary component within the internal combustion engine of Komatsu machinery. It is responsible for transferring the force generated by the combustion process to the connecting rod and crankshaft, thereby creating the mechanical energy required to power excavators, wheel loaders, bulldozers, and cranes. The component is engineered to maintain a precise fit within the cylinder bore, which is necessary for effective compression and the efficient conversion of thermal energy into linear movement.
This part is manufactured to meet the specific design requirements of Komatsu engine systems. It is compatible with a range of heavy equipment models that utilize this engine configuration. The component is produced by Komatsu to ensure it meets the dimensional and structural specifications necessary for integration into the engine assembly. Proper installation and maintenance of the piston are required to support the overall operational efficiency of the engine block.
In any internal combustion engine, the piston acts as a movable barrier that seals the combustion chamber. It must manage high pressures and thermal loads during the power stroke while facilitating the intake and exhaust cycles. By maintaining a tight seal against the cylinder walls, the piston ensures that the engine maintains the compression ratios required for consistent power delivery.

