Understanding Drum Brakes and Disc Brakes
Heavy duty truck brakes
Did you know it usually takes the length of two football fields for a semi-truck traveling at 65 mph to stop moving when brakes are operating normally? Because big rigs have longer stopping distances, it’s important to understand the different types of brakes, how they function, and how to maintain them so you can drive and stop safely. Commercial vehicles have air brake systems that are equipped with drum or disc brakes (or both) — the information below can help you understand each type.