Glossary of Tractor Trailer Wreck Terms

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Walking Beam Suspension: Type of truck and tractor rear suspension consisting of two beams, one at each side of the chassis, which pivot in the center and connect at the front to one axle of a tandem and at the rear to the other axle.

WIM (Weigh-In-Motion): Technology for determining a vehicle's weight without requiring it to come to a complete stop.