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KZ1228 KNORR-BREMSE Twin Cylinder, Air Compressor

1400 040 003

Summary

●Cylinder Bore: Ø75.00 ●Stroke: 50 mm ●Swept Volume: 440cm³ ●Number of Cylinders: 2 ●Through Drive: OK ●Air Unloader Port: M12x1,5 ●Water (W) or Air (A) Cooled: W ●Water Inlet Port: M18x1,5 ●Water Outlet Port: M18x1,5 ●With ESS Feature: OK ●Water Cooled Valve Plate: OK ●Weight: 22,2 KG

EAN Code	8699031066899

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Compatible OEM Codes

SCANIA 571181 394941 1300366
KNORR-BREMSE KZ1228

Description

The twin cylinder air compressor is a vital component within the pneumatic braking system of heavy commercial vehicles. It is engineered to provide consistent air pressure through a robust two-cylinder design, ensuring the reliability of the vehicle's braking functions. This component utilizes a water-cooling system to maintain optimal operating temperatures during heavy-duty service cycles.

KZ1228 is the OE-equivalent of the KNORR-BREMSE Twin Cylinder, Air Compressor used in KNORR-BREMSE systems. This high-strength component is designed to meet strict technical standards for fitment and performance. The unit features a cylinder bore of Ø75.00 and a stroke of 50 mm, providing a swept volume of 440cm³ to support heavy-duty pneumatic requirements.

Workshop technicians should ensure that the water inlet and outlet ports (M18x1,5) are correctly connected to the cooling circuit to prevent overheating. The air unloader port utilizes an M12x1,5 specification. Proper installation and regular maintenance of the cooling lines are essential for maintaining the longevity of the valve plate and the overall compressor efficiency in heavy commercial vehicle fleets.

Technical Specifications

Cylinder Bore	Ø75.00
Stroke	50 mm
Swept Volume	440cm³
Number of Cylinders	2
Through Drive	OK
Air Unloader Port	M12x1,5
Water (W) or Air (A) Cooled	W
Water Inlet Port	M18x1,5
Water Outlet Port	M18x1,5
With ESS Feature	OK
Water Cooled Valve Plate	OK
Weight	22,2 KG