Mercedes-Benz
Crankshaft for Mercedes-Benz
This crankshaft is a central engine component designed for Mercedes-Benz power units. It facilitates the conversion of reciprocating piston movement into continuous rotational energy for the machine.
Specifications
- Part number
- A3520307402
- Brand
- Mercedes-Benz
The crankshaft, identified by part number A3520307402, serves as the central rotating component within Mercedes-Benz engines. It functions by transforming the linear reciprocating motion of the pistons, generated during the combustion cycle, into the rotational mechanical energy required to power the machinery. This component is engineered to withstand the torsional and bending forces exerted during engine operation, with precision-ground connecting rod and main bearing journals designed to interface with engine bearings for smooth rotation.
This part is compatible with various Mercedes-Benz engines used in industrial cranes, heavy-duty trucks, and other specialized equipment. The component is manufactured to specific tolerances to ensure proper dynamic balance and alignment within the engine block, which is necessary for the efficient transfer of power from the combustion process to the drivetrain or hydraulic systems. Proper installation and maintenance of the crankshaft are required to ensure the rotational stability of the engine assembly.
In internal combustion engines, the crankshaft acts as the primary output shaft. It is supported by main bearings and connected to the pistons via connecting rods, allowing it to translate the energy of the power stroke into a usable torque output for the machine.

