A turnpike double is two 53ft trailers in an A train configuration. A B train removes one articulation point and usually comprises of a triaxle with a 5th wheel over the axles pulling a tandem. The turnpike double offers more cubic capacity and most firms use them to run two trailers that are going to or coming from the USA. I can pull two trailers that can be loaded so that they’re at 80,000lbs GVW when running single into the States.
There is no aerofoil on that truck and the boss is me, with the rest of the blunt surfaces and sticky out bits on the classic long nose trucks, a roof spoiler is not going to do much good, a bit like putting lipstick on a pig, so I didn’t bother.
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