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 ...

" Since a 13-liter diesel engine with 40 tons in tow will never match the get-up-and-go of a Porsche 911 GT3, we G-force junkies have to get our fix with air disc brakes." Equipment Editor Jim Park ...

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 ...