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85000491 Compatible Twin Cylinder Compressor for Volvo FM9

1300 185 001

Summary

High-performance twin cylinder compressor compatible with Volvo FM9 D9B engines. This water-cooled unit features a Ø85.00 mm cylinder bore, 62 mm stroke, and an M26x1.5 air outlet port. Designed for heavy commercial vehicle air brake systems to ensure reliable pressure delivery. Equivalent to OE Volvo 85000491.

Product identifiers
EAN Code8699031049304
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Compatible OEM Codes

  • WABCO
    • 412 704 016 7
    • 412 704 016 0
    • 412 704 013 7
    • 412 704 013 0
    • 412 704 007 7
    • 412 704 007 0
    • 412 704 002 7
    • 412 704 002 0
  • VOLVO
    • 85000491
    • 70330056
    • 20866605
    • 20775224
    • 20574763

Description

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a critical component within the pneumatic braking system, ensuring consistent air pressure delivery for heavy commercial vehicles. Built with high-strength components, it utilizes a water-cooled design to maintain optimal operating temperatures during intensive use, preventing overheating in demanding environments.

Vehicle and engine compatibility

This specific model is designed for Volvo FM9 trucks equipped with D9B engines. It provides reliable performance for the air brake system and is engineered to meet the rigorous demands of heavy-duty service cycles. Check the compatibility list for more details.

Technical specifications and installation

The unit features a Ø85.00 mm cylinder bore and a 62 mm stroke, delivering a swept volume of 704cm³. Installation requires connection to the water cooling system via the M16x1.5 inlet and outlet ports, and the air outlet utilizes an M26x1.5 thread. Technicians should verify all port clearances and seal integrity during assembly.

Maintenance and troubleshooting

To maintain system efficiency, regular inspection of the water-cooled valve plate and unloader ports is recommended. Ensuring clean coolant flow through the M16x1.5 ports helps prevent internal scaling and maintains long-term pneumatic reliability.

OE cross-reference

1300 185 001 (Twin Cylinder Compressor) is the equivalent of the Volvo OE number. This part directly replaces Volvo OE number 85000491.

Technical Specifications

Technical Specifications
Cylinder BoreØ85.00
Stroke62 mm
Swept Volume704cm³
Air Inlet PortØ35
Air Outlet PortM26x1,5
Number of Cylinders2
Through DriveOK
Air Unloader PortM12x1,5
Water (W) or Air (A) CooledW
Water Inlet PortM16x1,5
Water Outlet PortM16x1,5
With ESS FeatureOK
Water Cooled Valve PlateOK
Weight22,5 KG

Other OEMs

VOLVO

  • 85000491
  • 70330056
  • 20866605
  • 20775224
  • 20574763

WABCO

  • 4127040167
  • 4127040160
  • 4127040137
  • 4127040130
  • 4127040077
  • 4127040070
  • 4127040027
  • 4127040020
  • 412.704.016.7
  • 412.704.016.0
  • 412.704.013.7
  • 412.704.013.0
  • 412.704.007.7
  • 412.704.007.0
  • 412.704.002.7
  • 412.704.002.0
  • 412 704 016 7
  • 412 704 016 0
  • 412 704 013 7
  • 412 704 013 0
  • 412 704 007 7
  • 412 704 007 0
  • 412 704 002 7
  • 412 704 002 0

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
RENAULT TRUCKS Magnum DXi12
VOLVO
VOLVO B9L D9B
VOLVO B9R D9B
VOLVO B9TL D9B
VOLVO FE D9B
VOLVO FH12 D12C
VOLVO FH12 D12D
VOLVO FH16 D16C
VOLVO FM10 D10A
VOLVO FM12 D12C
VOLVO FM12 D12D
VOLVO FM9 D9A
VOLVO FM9 D9B
VOLVO NH12 D12C
VOLVO TAD1140-1172VE D9
VOLVO VHD D12
VOLVO VNL D12
WABCO

FAQ

What is the primary function of this twin cylinder compressor?
It provides the necessary compressed air required for the vehicle's pneumatic braking system, ensuring reliable stopping power through consistent pressure regulation.
Which vehicle models is this compressor compatible with?
This unit is specifically designed for Volvo FM9 trucks that are powered by D9B engines, ensuring precise fitment for these heavy commercial vehicles.
How does the cooling system work on this unit?
This is a water-cooled component that uses M16x1.5 ports to circulate coolant through the valve plate, helping to manage heat during high-pressure operations.
What are the key technical dimensions for installation?
The unit features a Ø85.00 mm bore, a 62 mm stroke, an M26x1.5 air outlet port, and an M12x1.5 unloader port for precise system integration.
What are the OE reference numbers of this part?
1300 185 001 directly replaces Volvo OE number 85000491.