B-double
The English word “B-double” has 1 meaning listed here.
noun
Etymology
So-called -"double" in Australia partly because of industry concerns about negative public attitudes to road trains. The "B" refers the load sharing axle group of the bridge "B" lead trailer with a 5th wheel coupling at the rear (between the trailers)- followed by a 5th wheel/turntable connected semitrailer as the second in the configuration. B-Doubles were initially developed in Canada, as…
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