Mercedes-Benz
Crankshaft for Mercedes-Benz
This crankshaft is a central engine component designed for Mercedes-Benz machinery. It facilitates the conversion of reciprocating piston motion into rotational power for the drivetrain.
Specifications
- Part number
- A3440306701
- Brand
- Mercedes-Benz
The crankshaft, part number A3440306701, serves as the primary rotating assembly within the engine block of Mercedes-Benz heavy equipment. Its function is to convert the linear force generated by the combustion process in the cylinders into rotational torque. This torque is then transferred through the flywheel to the transmission and subsequent drive systems of the crane or heavy machine. The component features precisely machined journals for connecting rods and main bearings to ensure correct alignment and clearance during engine operation.
This component is engineered specifically for use in Mercedes-Benz diesel engines. It is manufactured to meet the original design specifications for rotational balance and structural integrity required for heavy-duty engine applications. Proper installation and maintenance of the crankshaft are necessary to ensure the engine operates within its intended power and efficiency parameters.
In any internal combustion engine, the crankshaft acts as the backbone of the power delivery system. It must withstand the continuous rotational forces and cyclical stresses applied by the pistons and connecting rods. By maintaining the correct geometry and surface finish on the bearing journals, the crankshaft supports the lubrication film necessary to reduce friction between moving parts, which is essential for the longevity of the entire engine assembly.

