Komatsu
Piston for Komatsu 4D94
This piston is designed for the Komatsu 4D94 diesel engine. It manages combustion pressure and transfers force to the crankshaft via the connecting rod.
Compatible models
Specifications
- Part number
- 6142-32-2120
- Brand
- Komatsu
The piston 6142-32-2120 functions within the cylinder of the Komatsu 4D94 diesel engine. It moves in a reciprocating motion to convert the energy released during combustion into mechanical force, which is then transmitted to the crankshaft through the connecting rod. The component includes specific grooves to accommodate piston rings, which maintain the seal of the combustion chamber and regulate oil consumption during engine operation.
This part is compatible with the Komatsu 4D94 engine model. It is designed to meet the operational requirements for compression and thermal transfer within the cylinder assembly. The piston facilitates the conversion of fuel energy into the mechanical power required for heavy machinery and construction equipment applications.
In internal combustion engines, pistons serve as the moving boundary of the combustion chamber. They must withstand the pressure and temperature cycles generated during the intake, compression, power, and exhaust strokes. By maintaining a precise fit within the cylinder bore, the piston ensures efficient compression and effective power delivery to the rest of the drivetrain.

