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Tractor Unit
A tractor unit, also known as a truck unit, lorry unit, power unit, prime mover, ten-wheeler, semi-tractor, semi-truck, semi-lorry, tractor cab, truck cab, lorry cab, big rig tractor, big rig truck or big rig lorry or simply a tractor, truck, lorry, semi, big rig or rig, is a characteristically heavy-duty towing engine that provides motive power for hauling a towed or trailered load. The largest such vehicles are similar to locomotives. These fall into two categories: heavy- and medium-duty military and commercial rear-wheel-drive semi-tractors used for hauling semi-trailers, and very heavy-duty typically off-road-capable, often 6×6, military and commercial tractor units, including ballast tractors. It should not be confused with a tractor-trailer which is a combination of a tractor unit and semi-trailer, whereas a ''tractor unit'' describes only the tractor portion. Overview Tractor units typically have large-displacement diesel engines for power, durability, an ...
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Peterbilt Truck 6
Peterbilt Motors Company is an List of American truck manufacturers, American truck manufacturer specializing in the production of heavy-duty (Truck classification#Class 8, Class 8) and medium-duty (Classes 5–7) commercial vehicles. The namesake of company founder T.A. Peterman, T. A. "Al" Peterman, it was established in 1939 from the acquisition of Fageol, Fageol Truck and Motor Company, and has operated as part of Paccar, PACCAR since 1958. Competing alongside sister division Kenworth, Kenworth Truck Company, it sustains one of the longest-running marketplace rivalries in Trucking industry in the United States, American truck manufacturing. Peterbilt trucks are identified by a red oval emblem that has been in use since 1953. A "bird"-style hood ornament has also been used on conventional-cab trucks since 1965. Headquartered in Denton, Texas, the company also manufactures trucks at PACCAR facilities in Sainte-Thérèse, Quebec, Sainte-Thérèse, Quebec, Canada and Mexicali ...
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Truck
A truck or lorry is a motor vehicle designed to transport freight, carry specialized payloads, or perform other utilitarian work. Trucks vary greatly in size, power, and configuration, but the vast majority feature body-on-frame construction, with a cabin that is independent of the payload portion of the vehicle. Smaller varieties may be mechanically similar to some automobiles. Commercial trucks can be very large and powerful and may be configured to be mounted with specialized equipment, such as in the case of refuse trucks, fire trucks, concrete mixers, and suction excavators. In American English, a commercial vehicle without a trailer or other articulation is formally a "straight truck" while one designed specifically to pull a trailer is not a truck but a " tractor". The majority of trucks currently in use are powered by diesel engines, although small- to medium-size trucks with gasoline engines exist in North America. Electrically powered trucks are more popu ...
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Gross Axle Weight Rating
Vehicle weight is a measurement of wheeled motor vehicles; either an actual measured weight of the vehicle under defined conditions or a gross weight rating for its weight carrying capacity. Curb or kerb weight Curb weight (American English) or kerb weight (British English) is the total mass of a vehicle with standard equipment and all necessary operating consumables such as motor oil, transmission oil, brake fluid, coolant, air conditioning refrigerant, and sometimes a full tank of fuel, while not loaded with either passengers or cargo. The gross vehicle weight is larger and includes the maximum payload of passengers and cargo. This definition may differ from definitions used by governmental regulatory agencies or other organizations. For example, many European Union manufacturers include the weight of a driver and luggage to follow EU Directive 95/48/EC. Organizations may also define curb weight with fixed levels of fuel and other variables to equalize the value for the com ...
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A Fox NBC-detection Vehicle Is Transported By A HETS Trailer
A, or a, is the first letter and the first vowel letter of the Latin alphabet, used in the modern English alphabet, and others worldwide. Its name in English is '' a'' (pronounced ), plural ''aes''. It is similar in shape to the Ancient Greek letter alpha, from which it derives. The uppercase version consists of the two slanting sides of a triangle, crossed in the middle by a horizontal bar. The lowercase version is often written in one of two forms: the double-storey and single-storey . The latter is commonly used in handwriting and fonts based on it, especially fonts intended to be read by children, and is also found in italic type. In English, '' a'' is the indefinite article, with the alternative form ''an''. Name In English, the name of the letter is the ''long A'' sound, pronounced . Its name in most other languages matches the letter's pronunciation in open syllables. History The earliest known ancestor of A is ''aleph''—the first letter of the Phoenician ...
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Kenworth
Kenworth Truck Company is an List of American truck manufacturers, American truck manufacturer. Founded in 1923 as the successor to Gersix Motor Company, Kenworth specializes in production of heavy-duty (Truck classification#Class 8, Class 8) and medium-duty (Class 5–7) commercial vehicles. Headquartered in the Seattle suburb of Kirkland, Washington, Kenworth has been a wholly owned subsidiary of Paccar, PACCAR since 1945, operating alongside sister company (and marketplace rival) Peterbilt, Peterbilt Motors. Kenworth marked several firsts in truck production; the company introduced a raised-roof sleeper cab, and the first heavy-duty truck with an aerodynamically optimized body design. The Kenworth W900 has been produced continuously since 1961, serving as one of the longest production runs of any vehicle in automotive history. The K100 was also released in 1961. History 1912-1923: Gerlinger Motors Kenworth traces its roots to the 1912 founding of Gerlinger Motors in Por ...
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Freightliner Trucks
Freightliner Trucks is an American semi truck manufacturer. Founded in 1929 as the truck-manufacturing division of Consolidated Freightways (from which it derives its name), the company was established in 1942 as Freightliner Corporation. Owned by Daimler Truck from 1981 to 2021, Freightliner is now a part of Daimler Truck subsidiary Daimler Truck North America (along with Western Star, Detroit Diesel, and Thomas Built Buses). Freightliner produces a range of vans, medium-duty trucks, and heavy-duty trucks; under its Freightliner Custom Chassis subsidiary, the company produces bare chassis and cutaway chassis for multiple types of vehicles. The company popularized the use of cabover (COE) semitractors, with the Freightliner Argosy later becoming the final example of the type sold in North America. The company is headquartered in Portland, Oregon (the city of its founding); vehicles are currently manufactured in Cleveland, North Carolina, and Mount Holly, North Carolina ...
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Federal Bridge Gross Weight Formula
The Federal Bridge Gross Weight Formula, also known as Bridge Formula B or the Federal Bridge Formula, is a mathematical formula in use in the United States by truck drivers and Department of Transportation (DOT) officials to determine the appropriate maximum gross weight for a commercial motor vehicle (CMV) based on axle number and spacing. The formula is part of federal weight and size regulations regarding interstate commercial traffic (intrastate traffic is subject to state limits). The formula is necessary to prevent heavy vehicles from damaging roads and bridges. CMVs are most often tractor-trailers or buses, but the formula is of most interest to truck drivers due to the heavy loads their vehicles often carry. Early 20th-century weight limits were enacted to protect dirt and gravel roads from damage caused by the solid wheels of heavy trucks. As time passed, truck weight limits focused primarily on gross weight limits (which had no prescribed limits on length). By 197 ...
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Truck Sleeper
A truck sleeper or sleeper cab is a compartment attached behind the cabin of a tractor unit used for rest or sleeping. Origin In many countries, drivers are subject to work-time regulations which limit the amount of time they can drive before taking a mandated minimum rest period. Many drivers chose to sleep in the cab or cabin of their trucks rather than pay for a roadside motel. Truck manufacturers took notice of this and began developing tractor units with extended cabs to provide a sleeping area for drivers. Work-time regulations apply in the United States, Europe, Australia and in other parts of the world. Sleeper cabins Sleeping berths came into use as early as the 1920s, but they were often unsafe and uncomfortable.NTSB, Truck parking areas', Diane Publishing, May 2001, p. 6 They nonetheless allowed owner-operators to spend months at a time on road, often driving in teams of two (one drove while the other slept). With this successful formula, drivers began making req ...
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Leyland T45 Roadtrain Tractor Unit 1988
Leyland may refer to: Places * Leyland, Lancashire, an English town ** Leyland Hundred, an hundred of Lancashire, England * Leyland, Alberta, a community in Canada Companies * Leyland Line, a shipping company Automotive manufacturers * Leyland Motors, a defunct vehicle manufacturer based in Leyland, Lancashire * Ashok Leyland, an Indian company * British Leyland, a defunct vehicle manufacturer * Leyland Bus, a defunct bus manufacturer * List of Leyland buses * Leyland DAF, a defunct commercial vehicle manufacturer * Leyland Trucks, a medium and heavy duty truck manufacturer based in Leyland * Leyland Eight, a luxury car * Leyland P76, a car People * Carl Sonny Leyland (born 1965), English pianist * Frederick Richards Leyland (1832-1892), English shipowner * Jim Leyland (born 1944), American baseball manager * Joseph Bentley Leyland (1811-1851), English sculptor * Kellie-Ann Leyland (born 1986), British footballer * Mal Leyland (born 1945), Australian explorer and film-mak ...
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Truck Sleeper
A truck sleeper or sleeper cab is a compartment attached behind the cabin of a tractor unit used for rest or sleeping. Origin In many countries, drivers are subject to work-time regulations which limit the amount of time they can drive before taking a mandated minimum rest period. Many drivers chose to sleep in the cab or cabin of their trucks rather than pay for a roadside motel. Truck manufacturers took notice of this and began developing tractor units with extended cabs to provide a sleeping area for drivers. Work-time regulations apply in the United States, Europe, Australia and in other parts of the world. Sleeper cabins Sleeping berths came into use as early as the 1920s, but they were often unsafe and uncomfortable.NTSB, Truck parking areas', Diane Publishing, May 2001, p. 6 They nonetheless allowed owner-operators to spend months at a time on road, often driving in teams of two (one drove while the other slept). With this successful formula, drivers began making req ...
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Drawbar (haulage)
A drawbar is a solid coupling between a hauling vehicle and its hauled load. Drawbars are in common use with rail transport; road trailers, both large and small, industrial and recreational; and agricultural equipment. Agriculture and horse-drawn vehicles Agricultural equipment is hauled by a tractor-mounted drawbar. Specialist agricultural tools such as ploughs are attached to specialist drawbars which have functions in addition to transmitting tractive force. This was partly made redundant with Ferguson's development of the three-point linkage in his famous TE20. A wooden drawbar extends from the front of a wagon, cart, chariot or other horse-drawn vehicles to between the horses. A steel drawbar attaches a three-point hitch or other farm implement to a tractor. Road A drawbar is a towing or pushing connection between a tractive vehicle and its load. Light vehicles On light vehicles, the most common coupling is an A-frame drawbar coupled to a 1 7/8 inch or 50 mm ...
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Cargo
In transportation, cargo refers to goods transported by land, water or air, while freight refers to its conveyance. In economics, freight refers to goods transported at a freight rate for commercial gain. The term cargo is also used in case of goods in the cold-chain, because the perishable inventory is always in transit towards a final end-use, even when it is held in cold storage or other similar climate-controlled facilities, including warehouses. Multi-modal container units, designed as reusable carriers to facilitate unit load handling of the goods contained, are also referred to as cargo, especially by shipping lines and logistics operators. When empty containers are shipped each unit is documented as a cargo and when goods are stored within, the contents are termed containerized cargo. Similarly, aircraft ULD boxes are also documented as cargo, with an associated packing list of the items contained within. Description Marine Seaport terminals handle a wide ra ...
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