20842990 Volvo FM12 D12D Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the pneumatic braking system, providing the necessary compressed air for heavy commercial vehicle operations. Built with high-strength components, it is designed to withstand the rigorous thermal and mechanical demands of continuous duty cycles in heavy-duty environments.

Vehicle and engine compatibility

The unit is specifically engineered for fitment in Volvo FM12 trucks utilizing the D12D engine. It provides seamless integration into the vehicle's pneumatic circuit, ensuring consistent air delivery for braking and auxiliary systems. This compressor is also compatible with other heavy commercial vehicle configurations requiring high-volume air output.

Technical specifications and maintenance

Technical specifications include a 62 mm stroke and a swept volume of 704cm³. The unit features water cooling (W) with M16x1,5 inlet and outlet ports, an Ø35 air inlet port, and an M26x1,5 air outlet port. Maintenance technicians should regularly inspect the water cooling lines and unloader port connections to ensure optimal performance.

Installation guidance

Proper installation requires verifying that the through-drive alignment is correct and that the ESS feature is properly integrated into the control system. For correct fitment, always check the compatibility list.

OE cross-reference

1300 180 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20842990.