Have you ever tried to back up an 18-wheeler? It's no small feat, but once you understand how air brakes in semi trucks work, ...

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 ...

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 ...

I consider brakes the single most important system on a truck. Yet few drivers or even fleet maintenance personnel have ever had the opportunity to see what brakes can really do. I had such an ...