4 ms·
Not in the US. US trucks are built using standard truck parts, including off-the-shelf air brakes that fail safe.
by driverdan 4y ago
Not in the US. US trucks are built using standard truck parts, including off-the-shelf air brakes that fail safe.
- m463 4y agothey didn't always fail safe. I remember a house at the bottom of a steep mountain grade that got plowed into on a regular basis especially during that time. EDIT: hmm... seems freezing might still be a way to cause failure?
- kevinpet 4y agoFailure at the bottom of a steep hill is a different type of failure caused by brake fade due to the brake drum swelling with heat as the truck goes down the hill.
- m463 4y agoBut I believe at some point air brakes had to be reversed by law. In other words, the brakes would apply on loss of pressure, instead of via pressure.