Heavy-haul freight trains require fully charged brakes. When operating a train on a downgrade, brake usage levels on individual cars climb, equipment heats up, and braking power levels can drop ...

September 2014 marks the start of a year-long New York Air Brake celebration “honoring 125 years of making freight railroads safer and more productive,” according to NYAB President Mike Hawthorne. The ...

In 1992, commercial vehicle air brake systems took a tentative step into the future when antilock braking systems were mandated by the federal government. Some truckers had a hard time trusting the ...

As much as I enjoy driving tractor-trailers, one thing that has irked me for many years is the parking brake valves on the dashboard. The two push-pull valves -- the yellow one for tractor brakes and ...

The following was published in CCJ's Air Brake Book, 11th edition, sponsored by SilverbackHD. CCJ's Air Brake Book is a complementary industry resource, courtesy of our partnership with SilverbackHD, ...

Many of the larger vehicles on our roads have one intriguing thing in common: They can make sudden, loud, gas-escaping ...

In countless ways, this hurricane season’s extensive and severe flooding has been devastating for people and property. With truck drivers and the trucking industry so vital to the recovery and ...

The Mining Safety and Health Administration offers some pretty sobering statistics and investigations. Take one recent incident, for example. A 50-year-old haul truck operator was fatally injured ...

Air-brake systems are subject to excessive oil contamination. As reliable as they are, vehicle compressors can and do fail. One form of announcing this problem to the diagnostic technician is the ...

Plumbing up a trailer with air-brakes might be almost as simple as tying your laces, but it’s a different story with tractor pneumatics. While the system itself is beautifully straightforward in ...

Hydraulic-over-air relay valves are designed to convert hydraulic-modulated input pressure to a proportional output air pressure. The valves are suited for on and off-highway applications ...