8500006 SP1 Compatible Compressor for Volvo B12 D12A

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. By utilizing two piston-cylinder assemblies, it provides a higher air output compared to single-cylinder units, ensuring rapid reservoir inflation. This specific model is engineered with heavy-duty grade materials to withstand the intense thermal and pressure cycles typical of professional service environments.

Vehicle and engine compatibility

This unit is specifically designed for Volvo B12 trucks equipped with D12A engines. It is engineered to meet the strict requirements of the vehicle's air brake system, ensuring precise pressure delivery. Its construction includes a water-cooled valve plate and an integrated ESS feature to maintain optimal operating temperatures during continuous use.

Installation and technical specifications

When performing installation or maintenance, technicians should verify the mounting interface and port connections. This model features an M26x1,5 air outlet port and an M22x1,5 air unloader port. The unit has a swept volume of 608cm³ and a total weight of 23 KG. Always ensure the water inlet and outlet ports (M16x1,5) are properly sealed to prevent cooling system leaks.

Maintenance and selection guidance

To ensure proper system interplay, check that the through drive mechanism and gear compatibility align with the existing engine configuration. Maintaining clean air filtration at the Ø29 air inlet port will help prevent premature wear in the cylinders.

OE cross-reference

1300 050 002 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 8500006SP1.