2500 150 002 Air Compressor for Cummins Engines

What is a twin cylinder air compressor?

A twin cylinder air compressor is an engine-driven unit in the air brake system of heavy commercial vehicles that generates compressed air using two piston-cylinder assemblies.

Technical specifications and performance

This water-cooled compressor is engineered to meet the high air demand of heavy-duty applications. It features a Ø75.00 mm cylinder bore and a 56 mm stroke, delivering a swept volume of 495cm³. The unit is designed for reliability, featuring a water-cooled valve plate and ESS functionality to maintain thermal stability during sustained operation. It is compatible with Cummins ISC and ISL9 engines, ensuring efficient pressure build-up in the pneumatic system.

Vehicle and engine compatibility

This component is specifically fitted to various heavy commercial vehicles, including Freightliner, Kenworth, Peterbilt, and International models. It also serves bus applications such as Thomas Built Buses, Blue Bird, Ic Bus, Gillig, New Flyer, Nova Bus, and Orion Bus, particularly those utilizing Cummins engine configurations. Check the compatibility list to ensure correct fitment for your specific engine variant.

Installation and maintenance guidance

For optimal performance, technicians should verify the mounting interface and connection points, such as the M27x2 air outlet port and M10x1 unloader port. Regular inspection of the water cooling circuit and air intake is recommended to extend service life and maintain system efficiency.

OE cross-reference

2500 150 002 (Twin Cylinder Compressor) is the equivalent of the Cummins and WABCO OE numbers. This part directly replaces Cummins OE numbers 4945947, 5272391, 5286661. It also replaces WABCO OE number 9115160100.