20842990 Compressor Compatible with Volvo NH12 D12C

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. It is engineered to provide consistent air pressure through its robust two-cylinder design, ensuring the reliable operation of air brake systems under demanding conditions. The unit is constructed with high-strength components to withstand continuous heavy-duty service cycles.

Vehicle and engine compatibility

This specific model is designed for use in Volvo NH12 trucks equipped with D12C engines. It ensures seamless integration within the vehicle's air management system, providing the necessary pneumatic force required for safety-critical braking operations. The unit is also compatible with various heavy commercial vehicle configurations requiring high-capacity air delivery.

Technical specifications and installation

The technical configuration includes an Ø85.00 mm cylinder bore and a 62 mm stroke, resulting in a swept volume of 704cm³. For installation and maintenance, technicians should note the M26x1.5 air outlet port and M16x1.5 water inlet/outlet ports. This water-cooled design helps maintain optimal operating temperatures during prolonged use.

Maintenance and troubleshooting

Regular inspection of the water-cooled valve plate and air unloader ports is recommended to prevent system pressure fluctuations. Maintaining clean coolant and air lines ensures the longevity of this twin cylinder component.

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.