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20774294 VOLVO Twin Cylinder, Air Compressor

1300 190 001

Summary

The 20774294 Twin Cylinder, Air Compressor is a high-strength component designed for heavy commercial vehicles. Features: ●Cylinder Bore: Ø85.00 ●Stroke: 56 mm ●Swept Volume: 636cm³ ●Air Inlet Port: Ø35 ●Air Outlet Port: M26x1,5 ●Number of Cylinders: 2 ●Through Drive: OK ●Air Unloader Port: M16x1,5 ●Water (W) or Air (A) Cooled: W ●Water Inlet Port: M16x1,5 ●Water Outlet Port: M16x1,5 ●With ESS Feature: OK ●Water Cooled Valve Plate: OK.

EAN Code8699031049007
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Description

This twin cylinder air compressor is a critical component within the pneumatic braking system of heavy-duty vehicles. Designed to provide consistent air pressure, it ensures the reliable operation of the air brake system under demanding driving conditions. The unit features a robust construction with a water-cooled design to maintain optimal operating temperatures during heavy-duty service cycles.

20774294 is the OE-equivalent of the VOLVO 20774294 twin cylinder air compressor used in VOLVO heavy commercial vehicles. This high-strength component is engineered to meet strict technical specifications, ensuring seamless integration and long-term durability in the vehicle's pneumatic system.

For workshop technicians, this unit offers precise assembly thanks to its standardized port configurations. The water-cooled valve plate and specific port sizes—including the M26x1,5 air outlet and M16x1,5 unloader ports—ensure high-precision fitment. Regular maintenance of the cooling system and checking for any air leaks at the connection points are recommended to ensure optimal performance and prevent system downtime.

Technical Specifications

Cylinder BoreØ85.00
Stroke56 mm
Swept Volume636cm³
Air Inlet PortØ35
Air Outlet PortM26x1,5
Number of Cylinders2
Through DriveOK
Air Unloader PortM16x1,5
Water (W) or Air (A) CooledW
Water Inlet PortM16x1,5
Water Outlet PortM16x1,5
With ESS FeatureOK
Water Cooled Valve PlateOK
Weight22,9 KG

Other OEMs

VOLVO

  • 20774294

WABCO

  • 912 512 004 0
  • 912.512.004.0
  • 9125120040

Related Products

Vehicles Used

BrandModelEngine
VOLVO
WABCO

FAQ

What is the OEM equivalent for this air compressor?
This product is the direct OE-equivalent for the VOLVO 20774294 model.
Is this component compatible with VOLVO heavy vehicles?
Yes, this twin cylinder air compressor is specifically designed for compatibility with VOLVO heavy commercial vehicle systems.
What are the main technical specifications of the ports?
The unit features an Air Inlet Port of Ø35, an Air Outlet Port of M26x1,5, and an Air Unloader Port of M16x1,5.
Does this air compressor utilize a water cooling system?
Yes, this is a water-cooled (W) unit featuring a water-cooled valve plate for improved thermal management.
What is the cylinder bore and stroke measurement?
The technical specifications include a Cylinder Bore of Ø85.00 and a Stroke of 56 mm.