Q: While driving north on Route 512 leaving Bath, I noticed signs that said “Brake Retarders Prohibited.” I used to live in Bath and have driven that stretch millions of times, never noticing them, so ...

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 ...

While it's not unusual for classic truck owners to talk about how much horsepower is under the hood of their haulers, seldom does anyone brag about brakes. And while most of us appreciate the feeling ...