Mitchell 1 has added color air brake diagrams to Tractor-Trailer.net, its comprehensive Web-based truck repair manual system. The pneumatic diagrams will include the same widely-used features as the ...

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 ...

The air brake protects against a runaway train like the one that barreled through the small town of Lac-Megantic, Quebec, on Saturday and derailed, its cargo of crude oil from North Dakota bursting ...