S-cam drum brakes are the most common air foundation brakes on the road. They are a familiar sight to every wheel-end technician in the North American trucking industry. The right preventive ...

Channellock’s No. 444 air brake tool is a 12-inch tongue-and-groove plier with seven channel adjustments designed to quickly and accurately check the clearance between the drum and brake shoe on S-cam ...

Work is underway on a long-overdue TMC Recommended Practices document addressing excessive applied stroke in S-cam brakes – a problem too often incorrectly addressed by adjusting the automatic brake ...