Many of the larger vehicles on our roads have one intriguing thing in common: They can make sudden, loud, gas-escaping hissing noises. These noises, admittedly, have made this writer jump — on more ...

When the brakes are applied, circuits send compressed air from the storage tanks to front and rear service chambers that push the brake shoes into the brake drums, thus slowing down the vehicle. Semis ...

The emergency and supply lines that stretch between a tractor and trailer offer a colorful reminder that compressed air is the lifeblood of your brake system. The hoses are a respective red and blue, ...

If there’s one thing on commercial vehicles that operations and maintenance professionals need to understand, it’s braking systems. Not getting a truck to start rolling on time will cause delayed ...

Autonomous vehicles and battery-electric trucks are no longer figments of engineers’ imaginations. They are poised to reshape almost everything we know about building and operating heavy trucks — ...

Peterbilt will make front-axle air disc brakes standard across its entire Class 8 truck and tractor line. The announcement capped a highly upbeat press briefing Wednesday, March 30, in which Paccar ...

Add Yahoo as a preferred source to see more of our stories on Google. When the brakes are applied, circuits send compressed air from the storage tanks to front and rear service chambers that push the ...