20866605 Volvo FM12 D12D Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder air compressor serves as a critical component in the pneumatic braking system, providing the necessary compressed air for heavy commercial vehicle operation. Built with high-strength components, it ensures stable air pressure delivery even under demanding thermal conditions.

Vehicle and engine compatibility

This specific model is designed for use in Volvo FM12 trucks equipped with D12D engines. It is engineered to match the exacting requirements of the vehicle's air system, ensuring seamless integration and reliable performance in heavy-duty service environments.

Technical specifications and ports

Technical specifications include a Ø85.00 cylinder bore and a 62 mm stroke, resulting in a 704cm³ swept volume. The unit features water cooling with M16x1,5 inlet and outlet ports, an M26x1,5 air outlet port, and an M12x1,5 unloader port to maintain optimal operating temperatures.

Maintenance and installation guidance

Maintenance technicians should regularly inspect the water cooling lines and air ports to prevent leaks or overheating. Ensuring proper lubrication and checking the unloader port functionality will help extend the service life of this compressor.

OE cross-reference

1300 185 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20866605.