20774294 Volvo FMX Twin Cylinder Air Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a vital component within the pneumatic braking system, providing the necessary compressed air for braking and auxiliary pneumatic functions. Built with high-strength components, it is designed to withstand the rigorous thermal and pressure demands of heavy commercial vehicle operations.

Vehicle and engine compatibility

This specific unit is compatible with Volvo FM and FMX series trucks, including models such as the FM 440, FM 480, FMX II 420, and FMX 500. It is specifically designed to fit various engine configurations across these vehicle lines, ensuring precise integration with the existing air brake system architecture.

Installation and maintenance

Installation requires careful attention to the water cooling connections (M16x1,5) and the air outlet port (M26x1,5). Technicians should verify that the through drive mechanism and the ESS feature compatibility match the original equipment specifications to ensure proper system interplay and long-term reliability.

Troubleshooting guidance

To maintain optimal performance, regular inspection of the air inlet port (Ø35) and water inlet/outlet ports is recommended. If air pressure build-up slows or unloader performance fluctuates, consult your authorized distributor.

OE cross-reference

1300 190 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20774294.