3000 040 001 Air Compressor Compatible with Cummins

What does a single cylinder air compressor do?

This single cylinder air compressor serves as a critical component within the pneumatic brake system, converting engine power into the compressed air required for braking and auxiliary functions. Built with high-strength components, this water-cooled unit is designed to maintain optimal operating temperatures during sustained heavy-duty use, ensuring consistent pressure delivery to the air processing unit.

Vehicle and engine compatibility

This specific model is compatible with various heavy commercial vehicles, including KamAZ 6520, 65115, and 5308 models. It is also fitted to Dongfeng Captain and Tianjin units, as well as Volkswagen Constellation and Ford Trucks Cargo vehicles. The compressor is engineered to work seamlessly with Cummins ISBe, ISLe, and ISDe engines to ensure maximum system reliability.

Installation and maintenance guidance

Installation and maintenance should focus on the water cooling circuit and the M16x1,5 water inlet and outlet ports to prevent overheating. Technicians should regularly inspect the M26x1,5 air inlet port and M22x1,5 outlet port for any debris or leaks. Maintaining proper lubrication within the single cylinder housing is essential for long service life.

System reliability and selection

When replacing this unit, ensure that the through drive mechanism and ESS feature are correctly aligned with the engine requirements to prevent premature wear.

OE cross-reference

3000 040 001 (Single Cylinder Compressor) is the equivalent of the Cummins and Knorr-Bremse OE numbers. This part directly replaces Cummins OE number 3968694. It also replaces Knorr-Bremse OE numbers K002974TU, LK3870.