20774383 Volvo B11R D11A Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the air brake system, providing the necessary compressed air for reliable braking performance. Engineered with high-strength components, it ensures consistent pressure delivery even under the demanding operating conditions of heavy commercial vehicles.

Vehicle and engine compatibility

This specific unit is compatible with Volvo B11R trucks equipped with D11A engines. It is designed to meet the exacting requirements of the vehicle's pneumatic system, ensuring seamless integration with existing engine mounting and cooling setups.

Technical specifications and installation

Technicians should note that this is a water-cooled model featuring a water-cooled valve plate and ESS feature. Key specifications include an air inlet port of Ø35, an air outlet port of M26x1,5, and a total weight of 23.6 KG. When replacing, verify that the through drive and all port connections match the existing installation.

Maintenance and troubleshooting

Regular inspection of the water inlet/outlet ports (M16x1,5) and the air unloader port (M16x1,5) is recommended to prevent leaks or pressure drops in the braking circuit. Consult your authorized distributor to ensure correct fitment.

OE cross-reference

1300 190 011 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 20774383.