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The connector plate slid into a female receptacle on the rear of the trailer in front and was secured with a steel pin. At the head of a Road Railer train there was an adaptor truck equipped with one fifth wheel and one regular AAR Type "E" or Type "F" automatic coupler. Each semi-trailer had one king pin at each end.
Road–rail excavator British jeep in France, 1945. A road–rail vehicle or a rail–road vehicle is a dual-mode vehicle which can operate both on rail tracks and roads. [1] [2] They are also known as two-way vehicles (‹See Tfd› German: Zweiwegefahrzeug), [3] hi-rail (from highway and railway, or variations such as high-rail, HiRail, Hy-rail [failed verification]), [4] and rail and road ...
A diesel road train in Alice Springs, c. 1938 - 1939. A road train, also known as a land train or long combination vehicle (LCV) is a semi-truck used to move road freight more efficiently than single-trailer semi-trucks. It consists of one semi-trailer or more connected together with or without a tractor. [1]
A "Victory Oil" semi-trailer truck from 1943. The trucking industry in the United States has affected the political and economic history of the United States in the 20th century. Before the invention of automobiles, most freight was moved by train or horse-drawn vehicle. During World War I, the military was the first to use trucks extensively.
In the UK, tractor unit and trailer combinations are referred to as articulated lorries, or "artics". [1]A semi-trailer truck, also known as a semitruck, [1] (or semi, [2] eighteen-wheeler, [3] big rig, [4] tractor-trailer [5] or, by synecdoche, a semitrailer) [6] [a] is the combination of a tractor unit and one or more semi-trailers to carry freight.
Scammell Scarab in British Railways livery, London, 1962. Scammell Scarab with dual headlamps. The Scammell Scarab is a British 3-wheeled tractor unit produced by the truck manufacturer Scammell between 1948 and 1967. These vehicles are often known as "Snub-nose Trucks" or "Snub-nose Lorries" because of the round hood in front of the cab.
Conventional style cab tractor A cab over semi-tractor Tractor with an end-dump trailer A FAW semi-trailer truck in China A semi-trailer truck (also known by a wide variety of other terms - see below) is the combination of a tractor unit and one or more semi-trailers to carry freight. A semi-trailer attaches to the tractor with a type of hitch called a fifth wheel. Other terms There are a wide ...
A barrier transfer machine, also known as zipper machine or road zipper, is a type of heavy vehicle that is used to transfer concrete lane dividers, such as Jersey barriers, in order to relieve traffic congestion during rush hours. Many other cities use them temporarily during construction work. [2][3][4][5] The lanes created by the machine are ...