Crankshaft for Mercedes-Benz OM403

The crankshaft, part number OM407/, functions as the central rotating component within the Mercedes-Benz OM403 engine assembly. It converts the linear, reciprocating motion of the engine pistons into the rotational torque required to drive the machine drivetrain. This component features precision-machined crankpins for connecting rod attachment and integrated counterweights to maintain dynamic balance during engine operation.

This part is compatible with Mercedes-Benz OM403 and OM407 engine models found in various industrial cranes and heavy machinery. The design ensures proper alignment with the engine block and bearing surfaces to facilitate consistent lubrication and minimize friction during high-load cycles. It is engineered to manage the torsional and bending forces generated during the combustion process.

In internal combustion engines, the crankshaft acts as the backbone of the power transmission system. It transfers energy from the pistons to the flywheel and transmission, allowing the engine to produce usable mechanical work for the machine systems.