Quote:
Originally Posted by cdowns
people that know nothing about bigrigs always throw them in to justify things// they dont layframe and have backup springs and can run coast to coast if need be without air
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If something happens to the air system in an 18 wheeler, you are going nowhere, let alone coast to coast, everything on a rig is air, and most importantly the brakes, no air, no brakes. Truck trailers don't just roll away when detached from the tractor because without air the brakes are *locked*.