Five years ago, when federal authorities announced that stopping-distance rules for heavy tractors would get stricter, there was talk that this would finally cause a conversion from drum brakes to air ...

Semi trucks continue to rely on drum brakes as their primary braking system due to their reliability under heavy loads. This practice is not only seen in commercial vehicle engineering but also in ...

Excessive brake heating of trucks on downgrades is a cause of continuing concern for the Wyoming Department of Transportation (WYDOT). Brake failure on downgrades characteristically takes a ...

Most modern cars stopped using drum brakes years ago, adopting disc brakes for their improved performance and heat resistance. Those sound like pretty good reasons, so you'd think they'd be just as ...