20478151 Volvo VHD D12 Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor provides essential air compression for heavy commercial vehicle braking systems, ensuring consistent pressure through high-strength components. It is engineered to withstand rigorous thermal cycles and mechanical stress in demanding environments.

Vehicle and engine compatibility

The unit is specifically compatible with Volvo VHD trucks equipped with D12 engines. This air compressor is built to meet the requirements of heavy-duty service, providing reliable performance for the vehicle's pneumatic systems.

Technical specifications and cooling

Technical specifications include an Ø85.00 bore and a 62 mm stroke, resulting in a 704cm³ swept volume. This water-cooled unit features an M26x1,5 air outlet port and M16x1,5 ports for water inlet and outlet, facilitating efficient thermal management during operation.

Maintenance and installation

To ensure optimal performance, technicians should regularly inspect the water cooling connections and the M16x1,5 air unloader port. Proper installation ensures the integration of the ESS feature works correctly within the vehicle's air management system.

OE cross-reference

1300 180 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20478151.