Haldex Commercial Vehicle Systems’ family of pressure protection valves – used in air suspensions, air seats and cab isolation systems – standardizes three pressure settings for both a base pressure ...

At the heart of a commercial vehicle’s air brake system is its air compressor, which pressurizes air in the primary and secondary tanks to provide power for the air brakes and other pneumatic systems.

Heavy-haul freight trains require fully charged brakes. When operating a train on a downgrade, brake usage levels on individual cars climb, equipment heats up, and braking power levels can drop ...

Air-brake systems are subject to excessive oil contamination. As reliable as they are, vehicle compressors can and do fail. One form of announcing this problem to the diagnostic technician is the ...