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, ...

A handful of Super Duty trucks produced for the 2025 model year have been hit with a safety recall. The US-market vehicles in question may have been produced without a brake booster pushrod retaining ...

From the November 2003 issue. Most incidents involving total air-brake failures go unreported officially and simply become the stuff of legend. But a few too many of them have resulted in very public ...

Within the air brake systems of trucks and trailers, actuators play a vital, but largely unsung, role. Brake actuators are the devices that convert the compressed air force within a truck or trailer's ...

Typical, medium-duty, hydraulic brake system with front discs (red circuit) and rear drums (green circuit). Boost, or assist (blue circuit), is provided by an engine-driven pump, although the power ...

In hydraulic brake system, operating force applied to the brake pedal is delivered to the hydraulic unit which generates hydraulic pressure (using the Pascal’s law) for braking. Braking force is ...