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 ...

You're driving a loaded diesel rig down a mountain pass, foot hovering over the brake pedal, heart racing. How do you slow 20,000 pounds safely without cooking your brakes? Cue the exhaust brake -– ...

Have you ever wondered why your car suddenly stops, why changing the gears is so easy, or even why it is a bit bumpy? The brakes and the clutches are operating. These are small but critical components ...