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			Bobtail - 




Tractor operating without a trailer. Also refers to straight truck. 









 Bobtail

 Reference: Truck Writers of North America (TWNA)





	
	
Related Terms: Bobtail - straight truck | tractor | trailer | truck | trucking |
LogisticsWorld Database Search: Bobtail - straight truck | tractor | trailer | truck | trucking |
LogisticsWorld Acronyms: Bobtail - straight truck | tractor | trailer | truck | trucking |
Web Search Wizard: Bobtail - straight truck | tractor | trailer | truck | trucking |

Container Chassis - Single-purpose semitrailer designed to carry a shipping container. Reference: Truck Writers of North America (TWNA)

Related Terms: Container Chassis - container | shipping container | trucking |
LogisticsWorld Database Search: Container Chassis - container | shipping container | trucking |
LogisticsWorld Acronyms: Container Chassis - container | shipping container | trucking |
Web Search Wizard: Container Chassis - container | shipping container | trucking |

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)

Related Terms: Converter Dolly - dolly | trucking |
LogisticsWorld Database Search: Converter Dolly - dolly | trucking |
LogisticsWorld Acronyms: Converter Dolly - dolly | trucking |
Web Search Wizard: Converter Dolly - dolly | trucking |

Cube - Interior volume of a truck body, semitrailer or trailer, measured in cubic feet. Reference: Truck Writers of North America (TWNA)

Related Terms: Cube - cubic capacity | trucking |
LogisticsWorld Database Search: Cube - cubic capacity | trucking |
LogisticsWorld Acronyms: Cube - cubic capacity | trucking |
Web Search Wizard: Cube - cubic capacity | trucking |

Cubic Capacity - Interior volume of a truck body, semitrailer or trailer, measured in cubic feet. Reference: Truck Writers of North America (TWNA)

Related Terms: Cubic Capacity - cube | trucking |
LogisticsWorld Database Search: Cubic Capacity - cube | trucking |
LogisticsWorld Acronyms: Cubic Capacity - cube | trucking |
Web Search Wizard: Cubic Capacity - cube | trucking |

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 |
LogisticsWorld Database Search: Dolly - converter dolly | trucking |
LogisticsWorld Acronyms: Dolly - converter dolly | trucking |
Web Search Wizard: Dolly - converter dolly | trucking |

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 |
LogisticsWorld Database Search: Doubles - converter dolly | pintle hook | trucking | twins | twin trailers |
LogisticsWorld Acronyms: Doubles - converter dolly | pintle hook | trucking | twins | twin trailers |
Web Search Wizard: Doubles - converter dolly | pintle hook | trucking | twins | twin trailers |

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 |
LogisticsWorld Database Search: Fifth Wheel - sliding fifth wheel | trucking |
LogisticsWorld Acronyms: Fifth Wheel - sliding fifth wheel | trucking |
Web Search Wizard: Fifth Wheel - sliding fifth wheel | trucking |

Full Truck Load - A shipment in which the freight completely fills the trailer or container. Acronym: FTL

Related Terms: Full Truck Load - container | freight | less than truckload | trailer | truck | truckload | shipment |
LogisticsWorld Database Search: Full Truck Load - container | freight | less than truckload | trailer | truck | truckload | shipment |
LogisticsWorld Acronyms: Full Truck Load - container | freight | less than truckload | trailer | truck | truckload | shipment |
Web Search Wizard: Full Truck Load - container | freight | less than truckload | trailer | truck | truckload | shipment |

Gross Combination Weight - Total weight of a loaded combination vehicle, such as a tractor-semitrailer or truck and full trailer(s). Acronym: GCW Reference: Truck Writers of North America (TWNA)

Related Terms: Gross Combination Weight - gross vehicle weight | trucking |
LogisticsWorld Database Search: Gross Combination Weight - gross vehicle weight | trucking |
LogisticsWorld Acronyms: Gross Combination Weight - gross vehicle weight | trucking |
Web Search Wizard: Gross Combination Weight - gross vehicle weight | trucking |

Headache Rack - Heavy protective barrier mounted behind the tractor's cab. Designed to prevent "headaches" caused by load shifting forward from the trailer and crushing the cab. Reference: Truck Writers of North America (TWNA)

Related Terms: Headache Rack - trailer | truck | trucking |
LogisticsWorld Database Search: Headache Rack - trailer | truck | trucking |
LogisticsWorld Acronyms: Headache Rack - trailer | truck | trucking |
Web Search Wizard: Headache Rack - trailer | truck | trucking |

Jackknife - To place the trailer at a very sharp angle to the tractor. Reference: Truck Writers of North America (TWNA)

Related Terms: Jackknife - trailer | truck | trucking |
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LogisticsWorld Acronyms: Jackknife - trailer | truck | trucking |
Web Search Wizard: Jackknife - trailer | truck | trucking |

Kingpin Trailer - Anchor pin at the center of a semitrailer's upper coupler which is captured by the locking jaws of a tractor's fifth wheel to attach the tractor to the semitrailer. Reference: Truck Writers of North America (TWNA)

Related Terms: Kingpin Trailer - kingpin axle | trucking |
LogisticsWorld Database Search: Kingpin Trailer - kingpin axle | trucking |
LogisticsWorld Acronyms: Kingpin Trailer - kingpin axle | trucking |
Web Search Wizard: Kingpin Trailer - kingpin axle | trucking |

Landing Gear (1) - Retracting legs which support the front of a semitrailer when it is not coupled to a tractor.  Landing Gear (1) Reference: Truck Writers of North America (TWNA)

Related Terms: Landing Gear (1) - trailer | trucking |
LogisticsWorld Database Search: Landing Gear (1) - trailer | trucking |
LogisticsWorld Acronyms: Landing Gear (1) - trailer | trucking |
Web Search Wizard: Landing Gear (1) - trailer | trucking |

Less Than Truckload - A shipment in which the freight does not completely fill the trailer or container; or a particular consignor's freight when combined with others to produce a full truckload or full container load. Acronym: LTL Reference: less than container load,

Related Terms: Less Than Truckload - container | freight | full truckload | trailer | truck | truckload | shipment |
LogisticsWorld Database Search: Less Than Truckload - container | freight | full truckload | trailer | truck | truckload | shipment |
LogisticsWorld Acronyms: Less Than Truckload - container | freight | full truckload | trailer | truck | truckload | shipment |
Web Search Wizard: Less Than Truckload - container | freight | full truckload | trailer | truck | truckload | shipment |

Long Combination Vehicle - In general, vehicles longer than a standard doubles rig (tractor and two 28-foot semitrailers). Examples of LCVs which are permitted in some U.S. western states and eastern toll roads: Twin 48-foot trailers; triple 28-foot trailers. Acronym: LCV Reference: Truck Writers of North America (TWNA)

Related Terms: Long Combination Vehicle - trailer | trucking |
LogisticsWorld Database Search: Long Combination Vehicle - trailer | trucking |
LogisticsWorld Acronyms: Long Combination Vehicle - trailer | trucking |
Web Search Wizard: Long Combination Vehicle - trailer | trucking |

Lowboy - Open flat-bed trailer with a deck height very low to the ground, used to haul construction equipment or bulky or heavy loads. Reference: Truck Writers of North America (TWNA)

Related Terms: Lowboy - trailer | trucking |
LogisticsWorld Database Search: Lowboy - trailer | trucking |
LogisticsWorld Acronyms: Lowboy - trailer | trucking |
Web Search Wizard: Lowboy - trailer | trucking |

Mule - Special tractor used to move trailers around a terminal, warehouse, distribution center, etc. Reference: Truck Writers of North America (TWNA)

Related Terms: Mule - trucking | yard mule | yard tractor |
LogisticsWorld Database Search: Mule - trucking | yard mule | yard tractor |
LogisticsWorld Acronyms: Mule - trucking | yard mule | yard tractor |
Web Search Wizard: Mule - trucking | yard mule | yard tractor |

Piggyback - Semitrailer built with reinforcements to withstand transport by a railroad flatcar. Reference: Truck Writers of North America (TWNA)

Related Terms: Piggyback - container on flat car | trailer on flat car | trucking |
LogisticsWorld Database Search: Piggyback - container on flat car | trailer on flat car | trucking |
LogisticsWorld Acronyms: Piggyback - container on flat car | trailer on flat car | trucking |
Web Search Wizard: Piggyback - container on flat car | trailer on flat car | trucking |

Pigtail - Cable used to transmit electrical power from the tractor to the trailer. So named because it is coiled like a pig's tail. Reference: Truck Writers of North America (TWNA)

Related Terms: Pigtail - trailer | truck | trucking |
LogisticsWorld Database Search: Pigtail - trailer | truck | trucking |
LogisticsWorld Acronyms: Pigtail - trailer | truck | trucking |
Web Search Wizard: Pigtail - trailer | truck | trucking |

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 |
LogisticsWorld Database Search: Pintle Hook - doubles | converter dolly | trucking | twins | twin trailers |
LogisticsWorld Acronyms: Pintle Hook - doubles | converter dolly | trucking | twins | twin trailers |
Web Search Wizard: Pintle Hook - doubles | converter dolly | trucking | twins | twin trailers |

Pull Trailer - Short, full trailer (supported by axles front and rear) with an extended tongue. Reference: Truck Writers of North America (TWNA)

Related Terms: Pull Trailer - trailer | trucking |
LogisticsWorld Database Search: Pull Trailer - trailer | trucking |
LogisticsWorld Acronyms: Pull Trailer - trailer | trucking |
Web Search Wizard: Pull Trailer - trailer | trucking |

Pup Trailer - Short semitrailer, usually between 26 and 32 feet long, with a single axle. Reference: Truck Writers of North America (TWNA)

Related Terms: Pup Trailer - trailer | trucking |
LogisticsWorld Database Search: Pup Trailer - trailer | trucking |
LogisticsWorld Acronyms: Pup Trailer - trailer | trucking |
Web Search Wizard: Pup Trailer - trailer | trucking |

Reefer - Refrigerated trailer with insulated walls and a self-powered refrigeration unit. Most commonly used for transporting food. Reference: Truck Writers of North America (TWNA)

Related Terms: Reefer - trailer | trucking |
LogisticsWorld Database Search: Reefer - trailer | trucking |
LogisticsWorld Acronyms: Reefer - trailer | trucking |
Web Search Wizard: Reefer - trailer | trucking |

RoadRailer - Semitrailer specially designed to travel both on highway and on rails. Manufactured by Wabash Corp. Reference: Truck Writers of North America (TWNA)

Related Terms: RoadRailer - highway | rails | semitrailer | trucking |
LogisticsWorld Database Search: RoadRailer - highway | rails | semitrailer | trucking |
LogisticsWorld Acronyms: RoadRailer - highway | rails | semitrailer | trucking |
Web Search Wizard: RoadRailer - highway | rails | semitrailer | trucking |

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 |
LogisticsWorld Database Search: Semitrailer (1) - trailer | trucking |
LogisticsWorld Acronyms: Semitrailer (1) - trailer | trucking |
Web Search Wizard: Semitrailer (1) - trailer | trucking |

Slider - Mechanism that allows a tandem axle suspension to be moved back and forth at the rear of a semitrailer, for the purpose of adjusting the distribution of weight between the axles and fifth wheel. Reference: Truck Writers of North America (TWNA)

Related Terms: Slider - fixed tandem | sliding tandem | trucking |
LogisticsWorld Database Search: Slider - fixed tandem | sliding tandem | trucking |
LogisticsWorld Acronyms: Slider - fixed tandem | sliding tandem | trucking |
Web Search Wizard: Slider - fixed tandem | sliding tandem | trucking |

Sliding Tandem - Mechanism that allows a tandem axle suspension to be moved back and forth at the rear of a semitrailer, for the purpose of adjusting the distribution of weight between the axles and fifth wheel. Reference: Truck Writers of North America (TWNA)

Related Terms: Sliding Tandem - fixed tandem | slider | trucking |
LogisticsWorld Database Search: Sliding Tandem - fixed tandem | slider | trucking |
LogisticsWorld Acronyms: Sliding Tandem - fixed tandem | slider | trucking |
Web Search Wizard: Sliding Tandem - fixed tandem | slider | trucking |

Spread Axle - Tandem axle assembly spaced further apart than the standard spacing of 54 inches. The U.S. federal bridge formula favors trailer axles with an eight or nine foot spread by allowing higher weight than on tandems with standard spacing. Reference: Truck Writers of North America (TWNA)

Related Terms: Spread Axle - axle | spread tandem | tandem axle | tandems | trucking |
LogisticsWorld Database Search: Spread Axle - axle | spread tandem | tandem axle | tandems | trucking |
LogisticsWorld Acronyms: Spread Axle - axle | spread tandem | tandem axle | tandems | trucking |
Web Search Wizard: Spread Axle - axle | spread tandem | tandem axle | tandems | trucking |

Spread Tandem - Tandem axle assembly spaced further apart than the standard spacing of 54 inches. The U.S. federal bridge formula favors trailer axles with an eight or nine foot spread by allowing higher weight than on tandems with standard spacing. Reference: Truck Writers of North America (TWNA)

Related Terms: Spread Tandem - axle | spread axle | trucking |
LogisticsWorld Database Search: Spread Tandem - axle | spread axle | trucking |
LogisticsWorld Acronyms: Spread Tandem - axle | spread axle | trucking |
Web Search Wizard: Spread Tandem - axle | spread axle | trucking |

Straight Truck - Vehicle which carries cargo in a body mounted to its chassis, rather than on a trailer towed by the vehicle. Reference: Truck Writers of North America (TWNA)

Related Terms: Straight Truck - bobtail | truck | trucking |
LogisticsWorld Database Search: Straight Truck - bobtail | truck | trucking |
LogisticsWorld Acronyms: Straight Truck - bobtail | truck | trucking |
Web Search Wizard: Straight Truck - bobtail | truck | trucking |

Tanker - A vehicle for transporting bulk liquid freight; a tanker ship; a tanker truck or trailer; or a tanker aircraft. The equivalent form of rail transport is the tank car.  Tanker

Related Terms: Tanker - aircraft | bulk | car | freight | railroad | ship | trailer | transportation | truck | vehicle |
LogisticsWorld Database Search: Tanker - aircraft | bulk | car | freight | railroad | ship | trailer | transportation | truck | vehicle |
LogisticsWorld Acronyms: Tanker - aircraft | bulk | car | freight | railroad | ship | trailer | transportation | truck | vehicle |
Web Search Wizard: Tanker - aircraft | bulk | car | freight | railroad | ship | trailer | transportation | truck | vehicle |

TL Carrier - Trucking company which dedicates trailers to a single shipper's cargo, as opposed to an LTL (Less Than Truckload) carrier which transports the consolidated cargo of several shippers and makes multiple deliveries. Reference: Truck Writers of North America (TWNA)

Related Terms: TL Carrier - less than truckload | ltl carrier | trucking | truckload |
LogisticsWorld Database Search: TL Carrier - less than truckload | ltl carrier | trucking | truckload |
LogisticsWorld Acronyms: TL Carrier - less than truckload | ltl carrier | trucking | truckload |
Web Search Wizard: TL Carrier - less than truckload | ltl carrier | trucking | truckload |

Tractor (1) - Truck designed primarily to pull a semitrailer by means of a fifth wheel mounted over the rear axle(s). Sometimes called a truck tractor or highway tractor to differentiate from it from a farm tractor.  Tractor (1) Reference: Truck Writers of North America (TWNA)

Related Terms: Tractor (1) - truck | trucking |
LogisticsWorld Database Search: Tractor (1) - truck | trucking |
LogisticsWorld Acronyms: Tractor (1) - truck | trucking |
Web Search Wizard: Tractor (1) - truck | trucking |

Tractor Trailer - Tractor and semitrailer combination.  Tractor Trailer Reference: Truck Writers of North America (TWNA)

Related Terms: Tractor Trailer - tractor | trailer | truck | trucking |
LogisticsWorld Database Search: Tractor Trailer - tractor | trailer | truck | trucking |
LogisticsWorld Acronyms: Tractor Trailer - tractor | trailer | truck | trucking |
Web Search Wizard: Tractor Trailer - tractor | trailer | truck | trucking |

Trailer On Flat Car (1) - Method of moving cargo which involves transporting semitrailers on railroad flat cars. Acronym: TOFC Reference: Truck Writers of North America (TWNA)

Related Terms: Trailer On Flat Car (1) - container on flat car | piggyback | trucking |
LogisticsWorld Database Search: Trailer On Flat Car (1) - container on flat car | piggyback | trucking |
LogisticsWorld Acronyms: Trailer On Flat Car (1) - container on flat car | piggyback | trucking |
Web Search Wizard: Trailer On Flat Car (1) - container on flat car | piggyback | trucking |

Tri-Axle - Truck, tractor or trailer with three axles grouped together at the rear. Reference: Truck Writers of North America (TWNA)

Related Terms: Tri-Axle - axle | tridem | trucking |
LogisticsWorld Database Search: Tri-Axle - axle | tridem | trucking |
LogisticsWorld Acronyms: Tri-Axle - axle | tridem | trucking |
Web Search Wizard: Tri-Axle - axle | tridem | trucking |

Tridem - Group of three axles on a truck, tractor or trailer. Tridems are most common on European semitrailers. Reference: Truck Writers of North America (TWNA)

Related Terms: Tridem - axle | tri-axle | trucking |
LogisticsWorld Database Search: Tridem - axle | tri-axle | trucking |
LogisticsWorld Acronyms: Tridem - axle | tri-axle | trucking |
Web Search Wizard: Tridem - axle | tri-axle | trucking |

Truck (1) - Vehicle which carries cargo in a body mounted to its chassis, rather than on a trailer towed by the vehicle.  Truck (1) Reference: Truck Writers of North America (TWNA)

Related Terms: Truck (1) - straight truck | tractor | trucking |
LogisticsWorld Database Search: Truck (1) - straight truck | tractor | trucking |
LogisticsWorld Acronyms: Truck (1) - straight truck | tractor | trucking |
Web Search Wizard: Truck (1) - straight truck | tractor | trucking |

Truckload - A shipment in which the freight completly fills the trailer or container. Acronym: TL

Related Terms: Truckload - container | freight | full truckload | less than truckload | shipment | trailer | truck |
LogisticsWorld Database Search: Truckload - container | freight | full truckload | less than truckload | shipment | trailer | truck |
LogisticsWorld Acronyms: Truckload - container | freight | full truckload | less than truckload | shipment | trailer | truck |
Web Search Wizard: Truckload - container | freight | full truckload | less than truckload | shipment | trailer | truck |

Truckload (1) - The quantity of freight required to fill a trailer; usually more than 10,000 pounds. Acronym: TL Reference: Truck Writers of North America (TWNA)

Related Terms: Truckload (1) - less than truckload | trucking |
LogisticsWorld Database Search: Truckload (1) - less than truckload | trucking |
LogisticsWorld Acronyms: Truckload (1) - less than truckload | trucking |
Web Search Wizard: Truckload (1) - less than truckload | trucking |

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 |
LogisticsWorld Database Search: Twin Trailers - converter dolly | doubles | pintle hook | trucking | twins |
LogisticsWorld Acronyms: Twin Trailers - converter dolly | doubles | pintle hook | trucking | twins |
Web Search Wizard: Twin Trailers - converter dolly | doubles | pintle hook | trucking | twins |

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 |
LogisticsWorld Database Search: Twins - converter dolly | pintle hook | trucking | twin trailers |
LogisticsWorld Acronyms: Twins - converter dolly | pintle hook | trucking | twin trailers |
Web Search Wizard: Twins - converter dolly | pintle hook | trucking | twin trailers |

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 |
LogisticsWorld Database Search: Upper Coupler - fifth wheel | trucking |
LogisticsWorld Acronyms: Upper Coupler - fifth wheel | trucking |
Web Search Wizard: Upper Coupler - fifth wheel | trucking |

Yard Mule - Special tractor used to move trailers around a terminal, warehouse, distribution center, etc. Reference: Truck Writers of North America (TWNA)

Related Terms: Yard Mule - trucking | yard jockey | yard tractor |
LogisticsWorld Database Search: Yard Mule - trucking | yard jockey | yard tractor |
LogisticsWorld Acronyms: Yard Mule - trucking | yard jockey | yard tractor |
Web Search Wizard: Yard Mule - trucking | yard jockey | yard tractor |

Yard Tractor - Special tractor used to move trailers around a terminal, warehouse, distribution center, etc. Reference: Truck Writers of North America (TWNA)

Related Terms: Yard Tractor - trucking | yard jockey | yard mule |
LogisticsWorld Database Search: Yard Tractor - trucking | yard jockey | yard mule |
LogisticsWorld Acronyms: Yard Tractor - trucking | yard jockey | yard mule |
Web Search Wizard: Yard Tractor - trucking | yard jockey | yard mule |


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

 

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