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1400 040 002 Twin Cylinder Air Compressor for Scania

1400 040 002

Summary

This twin cylinder air compressor is designed for Scania heavy commercial vehicles. It features a 75.00 mm cylinder bore, 50 mm stroke, and a 440cm³ swept volume. This water-cooled unit includes an ESS feature and is built with high-strength components for reliable air brake system performance. Equivalent to OE Knorr-Bremse 1189106 and Scania 10571185.

Product identifiers
EAN Code8699031049069
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Compatible OEM Codes

  • SCANIA
    • 394441
    • 1348919
    • 1300366
    • 10571185
  • KNORR-BREMSE
    • KZ642/2X50
    • KZ642/2RM
    • KZ642
    • 1189106

Description

What does a twin cylinder compressor do?

This twin cylinder compressor serves as a vital engine-driven component within the air brake system of heavy commercial vehicles. By utilizing two piston-cylinder assemblies, it provides a higher air output compared to single-cylinder variants, ensuring faster reservoir replenishment. The unit is engineered with high-strength components to withstand demanding operating conditions in heavy-duty environments.

Vehicle compatibility and technical specifications

This specific model is compatible with Scania trucks and meets the requirements for high-air-demand applications. It features a water-cooled design with M18x1.5 inlet and outlet ports, a M12x1.5 air unloader port, and an integrated ESS feature for optimized performance. The assembly includes a water-cooled valve plate and is suitable for professional workshop installation.

Installation and maintenance guidance

For optimal service life, technicians should inspect the water cooling lines and ensure all connection ports are properly sealed during installation. Regular checks of the through drive mechanism and unloader functionality help prevent system pressure drops. Consult your authorized distributor for installation guidance.

System performance and reliability

The unit's robust construction ensures it maintains stable pressure even under continuous load in heavy commercial vehicle systems.

OE cross-reference

1400 040 002 (Twin Cylinder Compressor) is the equivalent of the Knorr-Bremse and Scania OE numbers. This part directly replaces Knorr-Bremse OE numbers 1189106, KZ642, KZ6422RM, KZ6422X50. It also replaces Scania OE numbers 10571185, 1300366, 1348919, 394441.

Technical Specifications

Technical Specifications
Cylinder BoreØ75.00
Stroke50 mm
Swept Volume440cm³
Number of Cylinders2
Through DriveOK
Air Unloader PortM12x1,5
Water (W) or Air (A) CooledW
Water Inlet PortM18x1,5
Water Outlet PortM18x1,5
With ESS FeatureOK
Water Cooled Valve PlateOK
Weight22,5 KG

Other OEMs

KNORR-BREMSE

  • KZ642/2X50
  • KZ642/2RM
  • KZ642
  • 1189106

SCANIA

  • 394441
  • 1348919
  • 1300366
  • 10571185

Related Products

Compatible Vehicles

Compatible Vehicles
BrandModelModel TypeEngine
KNORR-BREMSE
SCANIA

FAQ

What is the primary function of this twin cylinder compressor?
It generates compressed air via two piston assemblies to fill brake reservoirs quickly in heavy commercial vehicles.
Which vehicles is this compressor compatible with?
This unit is designed for Scania trucks requiring high air output for their pneumatic braking systems.
What are the cooling requirements for this unit?
This is a water-cooled model requiring connections to the engine's cooling system via M18x1.5 ports.
How can I identify if the compressor needs replacement?
Technicians should look for slow reservoir filling or inconsistent pressure levels within the air brake system.
What are the OE reference numbers of this part?
1400 040 002 directly replaces Knorr-Bremse OE numbers 1189106, KZ642, KZ6422RM, KZ6422X50. It also replaces Scania OE numbers 10571185, 1300366, 1348919, 394441.