20774294 Volvo FM Air Brake Compressor Equivalent

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the pneumatic braking system of heavy commercial vehicles. It utilizes a dual-cylinder design to ensure consistent air pressure delivery, which is vital for the safety and responsiveness of the air brake system. Built with high-strength components, this unit is engineered to withstand demanding thermal and mechanical loads during operation.

Vehicle compatibility and fitment

This specific model is engineered to fit a wide range of Volvo FM series trucks, including the FM 300, FM 340, FM 370, FM 380, FM 390, FM 400, FM 410, FM 420, FM 430, FM 440, FM 450, FM 460, and the high-output FM 480 and FM 500 models. It provides an exact fitment for these heavy commercial vehicle applications.

Technical specifications and installation

Technical specifications include a Ø85.00 mm cylinder bore and a 56 mm stroke, providing a swept volume of 636cm³. The unit features water cooling with M16x1,5 inlet and outlet ports and includes an ESS feature for optimized performance. For correct installation, ensure the water-cooled valve plate is properly seated and all M26x1,5 outlet connections are secure.

Maintenance and troubleshooting

Regular inspection of the air unloader port (M16x1,5) and the through drive mechanism is recommended to prevent system leaks or pressure fluctuations. Maintaining clean coolant flow through the water ports will extend the service life of the internal components.

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.