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			Converter Dolly - 




Auxiliary axle assembly equipped with a fifth wheel (coupling device), towed by a semitrailer and supporting the front of, and towing, another semitrailer. 









 Reference: Truck Writers of North America (TWNA)





	
	
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Dolly - Auxiliary axle assembly equipped with a fifth wheel (coupling device), towed by a semitrailer and supporting the front of, and towing, another semitrailer. Reference: Truck Writers of North America (TWNA)

Related Terms: Dolly - converter dolly | trucking |
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Doubles - Combination of a tractor and two semitrailers connected in tandem by a converter dolly. Reference: Truck Writers of North America (TWNA)

Related Terms: Doubles - converter dolly | pintle hook | trucking | twins | twin trailers |
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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.  Fifth Wheel Reference: Truck Writers of North America (TWNA)

Related Terms: Fifth Wheel - sliding fifth wheel | trucking |
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Pintle Hook - Coupling device used in double trailer, triple trailer and truck-trailer combinations. It has a curved, fixed towing horn and an upper latch that opens to accept the drawbar eye of a trailer or dolly. Reference: Truck Writers of North America (TWNA)

Related Terms: Pintle Hook - doubles | converter dolly | trucking | twins | twin trailers |
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Semitrailer (1) - Truck trailer supported at the rear by its own wheels and at the front by a fifth wheel mounted to a tractor or dolly. Reference: Truck Writers of North America (TWNA)

Related Terms: Semitrailer (1) - trailer | trucking |
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Twin Trailers - Combination of a tractor and two semitrailers connected in tandem by a converter dolly. Reference: Truck Writers of North America (TWNA)

Related Terms: Twin Trailers - converter dolly | doubles | pintle hook | trucking | twins |
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Twins - Combination of a tractor and two semitrailers connected in tandem by a converter dolly. Reference: Truck Writers of North America (TWNA)

Related Terms: Twins - converter dolly | pintle hook | trucking | twin trailers |
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Upper Coupler - Load bearing surface on the underside of the front of a semitrailer. It rests on the fifth wheel of a tractor or dolly and has a downward-protruding kingpin which is captured by the locking jaws of the fifth wheel. Reference: Truck Writers of North America (TWNA)

Related Terms: Upper Coupler - fifth wheel | trucking |
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Search History: [ Dolly ]




Unless otherwise indicated, all entries in the LogisticsWorld Logistics Glossary are copyright 1997, Matthew D. Cox, logistics@logisticsworld.com.

 

WWW Virtual Library of Logistics
Ver 4, Sep, 1999, Matthew D. Cox, logistics@logisticsworld.com
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Copyright 1995, 1996, 1997, 1998, 1999 MDC, All rights reserved.