21101027 Volvo FM11 D11A Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor is a vital component within the pneumatic braking system, responsible for providing consistent air pressure to the vehicle's braking and suspension systems. Built with high-strength components, it ensures reliable operation under demanding heavy commercial vehicle service conditions.

Engine and vehicle compatibility

This specific unit is engineered for Volvo FM11 trucks equipped with D11A engines. It is designed to meet the technical requirements of the engine's air supply system, maintaining optimal pressure through its 720cm³ swept volume and dual-cylinder configuration.

Technical specifications and installation

The assembly features water cooling for thermal management, with M18x1.5 inlet and outlet ports. Technical specifications include an M26x1.5 air inlet port, an M22x1.5 air outlet port, and an M10x1 unloader port. The unit is designed with a through-drive configuration to ensure seamless integration with the engine's drive gear.

Maintenance and selection guidance

To ensure proper installation, technicians should verify that all port sizes and mounting flanges match the existing installation. Regular inspection of the water cooling lines and air ports is recommended to prevent pressure drops or overheating in the pneumatic circuit.

OE cross-reference

1300 220 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 21101027.