20845313 Air Brake Compressor — Volvo FM

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component in the pneumatic braking system of heavy commercial vehicles. By converting mechanical energy into compressed air, it provides the necessary pressure required for the braking and suspension systems to function safely under load. This unit is constructed with heavy-duty grade materials to ensure long-term durability in demanding environments.

Compatible Volvo FM models

This compressor is specifically designed for use in Volvo FM series trucks, including models such as the FM 380, FM 460, FM 440, and FM 480. It is compatible with various configurations across the FM range, ensuring precise fitment for fleet maintenance and workshop repairs. Check the compatibility list.

Technical specifications and installation

The unit features a water-cooled design to manage thermal loads effectively during operation. Key technical specifications include an Ø85.00 mm cylinder bore, a 62 mm stroke, and a 704cm³ swept volume. The assembly includes an M26x1,5 air outlet port and M16x1,5 ports for water inlet/outlet and unloader functions to facilitate standard installation procedures.

Maintenance and troubleshooting

To maintain optimal performance, technicians should regularly inspect the water cooling lines and air ports for leaks or blockages. Ensuring the through drive mechanism is correctly aligned during installation will prevent premature wear of the internal components.

OE cross-reference

1300 190 005 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20845313.