Camshaft for Cummins N855

The camshaft N855/N is a component within the valve train system of Cummins N855 diesel engines. Its primary function is to regulate the opening and closing of the intake and exhaust valves in coordination with the movement of the engine pistons. As the camshaft rotates, the precision-machined lobes actuate the lifters and pushrods, ensuring that valves open and close at the exact intervals required for the combustion cycle. This synchronization is necessary for the intake of air and fuel and the subsequent expulsion of exhaust gases.

This component is compatible with the Cummins N855 engine series, which is commonly found in industrial cranes, construction equipment, and power generation units. The part is manufactured by Cummins. Proper valve timing, facilitated by the specific profile of the camshaft lobes, directly impacts the power output, fuel consumption, and emission levels of the engine.

In internal combustion engines, the camshaft serves as the mechanical controller for the valve train. By converting rotational motion into linear motion, it dictates the duration and lift of each valve cycle. Maintaining the integrity of the camshaft profile is necessary for consistent engine performance and to prevent issues such as loss of compression or irregular engine operation.