Crankshaft for Cummins ISDE 4D 4.5

The crankshaft, identified by part number 5289842, serves as the primary rotating component within the Cummins ISDE 4D 4.5 internal combustion engine. It converts the linear, reciprocating motion of the pistons into continuous rotational motion, which is then transferred to the transmission system to drive the machinery. The component includes specific journals for connecting rods and main bearings, providing the necessary surfaces for rotation within the engine block.

This part is compatible with the Cummins ISDE 4D 4.5 engine model. Beyond its role in power transmission, the crankshaft also drives auxiliary engine components such as the oil pump, water pump, and timing system through integrated gears or pulleys. Proper installation and alignment are required to maintain engine balance and ensure the synchronized operation of the entire powertrain assembly.