Category:B-Trains

**bitrem**
	vehicle consisting of a prime mover towing a specialised lead trailer that has a fifth-wheel mounted on the rear towing another semi-trailer, resulting in two articulation points
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	Wikipédia
Instância de	trucks classification;
Subclasse de	camião;
Composto de	fifth wheel coupling (2);
Arquivo de autoridade
	Q1374561; identificador Thesaurus BNCF: 39572
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English: A B-Train is a type of road train where one or more of the trailers are connected using a 5th wheel coupling (excluding examples where the only 5th wheel coupling present is the one between a tractor and first trailer). The name derives from the classification of that type of coupling as the 'B-Type', in contrast to an A-Type (a coupling which uses a single rigid tow bar) or a C-Type (two rigid two bars side by side). Where B-Type couplings are the only type present in a road train, the more specific names of B-Double (two trailers) and B-Triple (three trailers) are often used instead of the more general B-Train.