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Fifth Wheel - Coupling device attached to a tractor or dolly which supports the front of a semitrailer and locks it to the tractor or dolly. The fifth wheel's center is designed to accept a trailer's kingpin, around which the trailer and tractor or dolly pivot in turns. Reference: Truck Writers of North America (TWNA)
Related Terms: Fifth Wheel - sliding fifth wheel | trucking |
Search History: [ Fifth Wheel ]
|WWW Virtual Library of Logistics
Ver 4, Sep, 1999, Matthew D. Cox, firstname.lastname@example.org
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