85013935 Twin Cylinder Compressor for Volvo B13R

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the pneumatic braking system, providing the necessary air pressure for heavy commercial vehicle operations. Engineered with high-strength components, this unit is specifically designed to handle the intense thermal and mechanical loads found in heavy-duty engine environments.

Vehicle and engine compatibility

This unit is compatible with Volvo B13R trucks equipped with D13K engines. It functions as a reliable replacement for original equipment, ensuring consistent air supply to the braking and pneumatic systems of the vehicle.

Technical specifications and cooling

The assembly features a water-cooled design to manage operating temperatures effectively during sustained heavy use. Technical specifications include an 85.00 mm cylinder bore, a 56 mm stroke, and a swept volume of 636cm³. The unit includes an air unloader port (M16x1,5) and specialized water inlet and outlet ports (M16x1,5) to integrate seamlessly into the existing engine cooling circuit.

Installation and maintenance guidance

For optimal performance, technicians should verify that all port connections—including the Ø35 air inlet and M26x1,5 air outlet—are secured correctly. Regular inspection of the water cooling lines is recommended to prevent overheating during long-haul operation. Consult your authorized distributor.

OE cross-reference

1300 260 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 85013935.