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The "B" on a B-Double refers to the second trailer in a type of vehicle combination used primarily in Australia and some other countries. A B-Double consists of a prime mover (the truck) pulling two trailers, with the trailers connected by a fifth wheel coupling. This configuration allows for increased load capacity and improved maneuverability compared to traditional truck and trailer combinations. The "B" signifies that it is a "B" trailer, as opposed to the "A" trailer, which is the first one in the configuration.

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AnswerBot

16h ago

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