Komatsu
Crankshaft for Komatsu SAA12V140
This crankshaft is designed for the Komatsu SAA12V140 diesel engine used in heavy construction and mining machinery. It serves as the primary component for converting the linear reciprocating motion of the pistons into the rotational force required to drive the engine output.
Specifications
- Part number
- SAA12V140
- Brand
- Komatsu
The crankshaft SAA12V140 acts as the central rotating component within the Komatsu SAA12V140 diesel engine. It is engineered to convert the linear reciprocating motion generated by the pistons into rotational energy, which is then transmitted to the drivetrain to power heavy machinery such as excavators, wheel loaders, and dump trucks. This component features precision-machined connecting rod journals and main bearing journals designed to maintain specific tolerances during engine operation.
This part is compatible with the Komatsu SAA12V140 engine series. The design incorporates specific heat treatments on the journal surfaces to interface correctly with the engine bearings and connecting rods. Proper alignment and balance of this component are necessary for the mechanical function of the engine assembly.
In internal combustion engines, the crankshaft functions as the backbone of the power conversion system. It must withstand the significant torsional and bending forces exerted by the combustion process. By supporting the connecting rods and rotating within the engine block, it facilitates the continuous power delivery required for heavy equipment operation.