70330056 Volvo FM12 D12C Twin Cylinder Compressor

What does a twin cylinder compressor do?

This twin cylinder compressor is a vital component for maintaining consistent air pressure within the pneumatic braking system of heavy commercial vehicles. Engineered for durability, it utilizes high-strength components to withstand the rigorous thermal and mechanical stresses found in heavy-duty engine environments.

Engine and vehicle compatibility

The unit is specifically designed for compatibility with Volvo FM12 trucks equipped with D12C engines. It features a water-cooled design to manage operational temperatures effectively, ensuring stable performance during long-haul cycles. This part is engineered to meet the precise requirements of the Volvo engine system.

Technical specifications and installation

Technicians should note the technical specifications: it features a Ø85.00 mm bore, a 62 mm stroke, and an M26x1,5 air outlet port. The assembly includes a water-cooled valve plate and an M16x1,5 water inlet/outlet configuration to facilitate efficient thermal management during operation.

Maintenance and troubleshooting

Regular inspection of the air inlet port (Ø35) and unloader port (M12x1,5) is recommended during routine maintenance to prevent system contamination or pressure drops. Check the through drive mechanism and cooling lines periodically to ensure optimal system integrity.

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.