20770303 Compatible Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the air brake system, ensuring consistent pneumatic pressure for heavy commercial vehicle braking operations. Built with heavy-duty grade materials, it is designed to withstand high thermal loads through its integrated water-cooling system, maintaining stable performance under continuous load.

Vehicle and engine compatibility

This specific model is compatible with Volvo FM11 trucks equipped with D11B engines. It features a through-drive design and includes an ESS feature for optimized system integration. The unit is engineered to meet the rigorous demands of heavy commercial vehicle service environments, ensuring reliable air supply for the entire pneumatic circuit.

Installation and maintenance guidance

For correct installation, technicians should verify the M26x1,5 air outlet port and M16x1,5 water inlet/outlet ports match the existing system configuration. Given the water-cooled design, ensuring proper coolant flow through the M16x1,5 ports is essential for preventing overheating during operation.

Troubleshooting and selection

When replacing an existing unit, it is vital to ensure that the drive gear and mounting flange align perfectly with the engine specifications to avoid system mismatch.

OE cross-reference

1300 190 008 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20770303.