20774294 SP1 Twin Cylinder Compressor for Volvo FM13

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 required for the safe operation of the braking and suspension systems. Built with high-strength components, it ensures durability under intense thermal and mechanical stress during long-haul operations.

Compatible vehicles and engines

This specific model is designed for Volvo FM13 trucks equipped with D13C engines. It features a water-cooled design with a Ø85.00 mm cylinder bore and a 56 mm stroke to meet the air demand of the vehicle's pneumatic system. The unit includes an ESS feature and a water-cooled valve plate to maintain optimal operating temperatures.

Installation and maintenance

Technicians should verify the drive mechanism and port configurations during installation. This unit features an M26x1,5 air outlet port, an M16x1,5 air unloader port, and M16x1,5 water inlet and outlet ports. It is essential to ensure the water cooling lines and mounting flange align perfectly with the existing engine configuration.

Troubleshooting and selection

Proper maintenance of the cooling circuit and regular inspection of the air inlet port (Ø35) will help prevent premature wear. Checking the integrity of the through drive mechanism is also recommended during scheduled service intervals to maintain system reliability.

OE cross-reference

1300 190 003 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20774294SP1.