If drivers notice that the trailer front edge is too low for their tractor's fifth wheel to slide under, they should:

Question

Quizplus · Accepted Answer

Before actually sliding the tractor's fifth wheel under the trailer, drivers should always make a visual inspection to see if the trailer is high enough. If the trailer's front edge is too low, the driver should drain some air from the tractor's air ride bags. This will lower the back end of the tractor enough that it can be slipped under the trailer safely. The driver should then re-inspect to make sure that the tractor fifth-wheel is lower than the fifth-wheel plate on the underside of the trailer.

If Drivers Notice That the Trailer Front Edge Is Too