Crankshaft for Cummins K50/K T50

The crankshaft, part number 3629276, functions as the central rotating component within the Cummins K50/K T50 engine. Its primary role is to convert the reciprocating linear motion of the engine pistons into rotational motion, which provides the mechanical power necessary to drive the machine. This component is engineered with integrated counterweights to manage internal forces and maintain balance during engine operation.

This part is compatible with Cummins K50 and K T50 engine models. It is designed to interface with the engine block and connecting rods, requiring precise dimensional tolerances to ensure proper seating of the main and connecting rod bearings. The crankshaft is subjected to significant torsional and bending loads during the combustion cycle, making its structural integrity essential for the mechanical output of the engine.

In heavy machinery engines, the crankshaft acts as the backbone of the internal combustion system. By translating piston movement into torque, it enables the delivery of power to the drivetrain or hydraulic systems. Proper alignment and surface finish are critical to maintaining oil film thickness in the bearing journals, which supports the overall operation of the engine assembly.