5257936 Twin Cylinder Compressor for Cummins

What does a twin cylinder compressor do?

This twin cylinder compressor functions as a critical engine-driven component within the air brake system of heavy commercial vehicles, utilizing two piston-cylinder assemblies to generate compressed air. By producing two compression strokes per crankshaft revolution, it delivers higher air output than single-cylinder units, ensuring faster reservoir filling for high-demand applications.

Compatibility and technical specifications

This specific model is designed to be compatible with Cummins systems. It features a water-cooled design to manage operating temperatures effectively, with M16x1,5 water inlet and outlet ports. The unit includes a water-cooled valve plate and is configured for through-drive operation to maintain reliable performance under heavy loads.

Installation and maintenance guidance

Technicians should verify that the M26x1,5 air inlet and outlet ports align with the existing installation requirements. During maintenance, it is essential to inspect the water cooling lines and the valve plate integrity to prevent pressure drops in the pneumatic system. Check the compatibility list for specific fitment details.

System performance and troubleshooting

For optimal performance, ensure the compressor is mounted securely to the engine and that all connections are tightened to specification to prevent leaks in the high-pressure circuit.

OE cross-reference

2500 170 001 (Twin Cylinder Compressor) is the equivalent of the Cummins OE number. This part directly replaces Cummins OE number 5257936.