70330056 Volvo VNL D12 Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor provides reliable pneumatic pressure for heavy commercial vehicle braking systems. It functions as a critical component within the air brake system, ensuring consistent air supply through its high-capacity dual-cylinder design. The unit is built with heavy-duty grade materials to withstand rigorous operating conditions in heavy-duty engines.

Vehicle and engine compatibility

This specific model is compatible with Volvo VNL vehicles equipped with D12 engines. It is engineered to meet strict industrial standards, ensuring seamless integration into the existing pneumatic circuit of the vehicle's braking system.

Technical specifications and installation

Technical specifications include a 704cm³ swept volume and a Ø85.00mm cylinder bore with a 62mm stroke. The unit features a water-cooled valve plate and M16x1.5 water inlet and outlet ports to manage thermal loads efficiently. For proper installation, ensure the M26x1.5 air outlet and M12x1.5 unloader port connections are torqued to specification.

Maintenance guidance

To maintain optimal performance, technicians should regularly inspect the water cooling lines and air ports for any signs of leakage or debris buildup.

OE cross-reference

1300 185 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 70330056.