Innovative Products of America says its Mobile Universal Trailer Tester (MUTT) allows users to troubleshoot and repair trailer electrical systems and perform leak-down tests on trailer air brakes ...

The trucks used for this test were off-the-shelf Freightliner Cascadias with the company’s standard brake offerings. There was nothing special about the brakes used in the test. Due to the transfer of ...

Many of the larger vehicles on our roads have one intriguing thing in common: They can make sudden, loud, gas-escaping hissing noises. These noises, admittedly, have made this writer jump — on more ...

When the brakes are applied, circuits send compressed air from the storage tanks to front and rear service chambers that push the brake shoes into the brake drums, thus slowing down the vehicle. Semis ...

Brake fade is a thing of the past with air disc brakes. On repeated hard stops and on long descents, brake performance improves as operating temperatures increase. Our first tango with disc brakes ...