Fan pulley for Cummins

The fan pulley, part number 3090090, serves as a component within the engine cooling system. It facilitates the transfer of rotational power from the engine crankshaft to the cooling fan via a drive belt. By driving the fan, this pulley enables the movement of air through the radiator to dissipate heat and maintain the engine at its required operating temperature.

This component is compatible with various Cummins engines used in heavy machinery and industrial equipment. It is engineered to align with the accessory drive system of the engine, ensuring that the belt maintains proper tension and tracking during operation. The pulley is designed to handle the rotational forces and belt tension required for consistent cooling performance.

In internal combustion engines, the fan pulley is part of the accessory drive assembly. Its primary function is to provide the mechanical interface necessary to spin the fan at a speed proportional to the engine RPM. Proper alignment and surface integrity of the pulley are necessary to prevent belt slippage and ensure the cooling system functions as intended under load.