You never see them, but you always need them. Behind those rear brake drums they lead thankless lives, and hopefully are always ready to slow your 3,500-pound musclecar down. In a world of four-wheel ...

Semi trucks continue to rely on drum brakes as their primary braking system due to their reliability under heavy loads. This ...

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 ...

Though a decade ago it was far from the case, nowadays, the likelihood for a technician to work on a newer truck with air disc brakes (ADBs) is about the same as one with drum brakes. “Almost half of ...

Being the hopeless hot rodders we are it's only natural that we all like going fast. But, as much fun as we may have doing so, at one point or another we're gonna have to slow down or even stop. So, ...

Porsche's existing wheel hubs all used the drum brake as an integral part of the corner, mounting the wheel on its face in a "wide five" bolt pattern. Because of the company's engineering expertise ...

The following was published in CCJ's Air Brake Book, 11th edition, sponsored by SilverbackHD. CCJ's Air Brake Book is a complementary industry resource, courtesy of our partnership with SilverbackHD, ...

We usually don’t even think twice about adding lift kits along with larger tires and wheels to our Jeeps, but bigger and heavier rolling stock can wreak havoc on braking performance. In most cases, it ...

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 ...