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 ...

One reason that today's vehicles are the safest in history is that, since 1968, all vehicles come equipped with dual brake systems. Figure 14-1 shows a basic brake system with a brake booster, disc ...

One of the most important things going on with that hooptie of yours happens in between its brake pads and its rotors. It's there where a specific amount of friction determines whether or not you'll ...

The editors of Commercial Carrier Journal have completed the 7th edition of The Air Brake Book. The book, first published in 1988, serves as a complete, up-to-date reference on heavy vehicle air brake ...

Air disc brakes (ADBs) offer compelling benefits. They deliver shorter stopping distances and quicker pad replacement. But realizing their full value over time requires deliberate care. A new Bendix ...

Air brakes have a long history of reliable performance in the medium- and heavy-duty truck markets, yet these systems cannot be ignored without costly consequences. A good inspection process and ...

We place emphasis on going faster and making more power, but how often do we address safe and effective stopping? Not often enough. We don't need to say this, but we will anyway-stopping is more ...

The Mining Safety and Health Administration offers some pretty sobering statistics and investigations. Take one recent incident, for example. A 50-year-old haul truck operator was fatally injured ...

Brake adjustment might not be the greatest crisis of our time, but with all the talk of Red Seal certification, mandatory entry-level training (MELT) upgrades and driver competency generally, now ...