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The combination of a semi-trailer and a tractor truck is called a semi-trailer truck (also known simply as a "semi-trailer", "tractor trailer", or "semi" in the United States). [1] A large proportion of a semi-trailer's weight is supported by a tractor unit, or a detachable front-axle assembly known as a dolly, or the tail of another trailer ...
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 ...
The M15A2 was the trailer that the M123 was intended to tow. It had a higher load plate and larger coupling pin than a standard semi-trailer. Early M123 had a larger fifth wheel mounted above the frame rails, but as more standard trailers were used, the M123C and all following models had lowered fifth wheels.
A three-trailer livestock road train in Australia An early road train at Alice Springs on the way to Tennant Creek, c. 1938–1948 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-trailer used to move road freight more efficiently than single-trailer semi ...
The new X series of Western Star trucks includes; 47X, 48X (Australia only), 49X and 57X. The 47X is the entry-level model, used mostly for vocational purposes, such as adding a dump bed or cement mixer. The 47X can also be used with a standard fifth wheel connector to tow standard trailers.
Air brake system has high flow air compressor and large air tanks to provide air for 2 or more trailers and the air starter (if fitted). Integrated vertical air intake snorkels keep dust and dirt out of the filters prolonging their life. High power engines from Cummins (ISX & Signature) and Caterpillar (C-16). Until 2000/2001, the Mack 16.4 ...
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.
In 2006 rival semi trailer manufacturing business SFM Engineering was purchased. [2] [3] In 2010, Howard Porter completed a 320 trailer contract for the Gorgon gas project, reportedly the biggest trailer contract ever in Australia. [6] [7] In 2012 a subsidiary trading as Global Trailer Solutions was established in Asia. [8] [9]