How does trailer length affect the amount of off-tracking during a turn?
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Correct answer to question 125 (Combination Vehicles): A longer trailer generally off-tracks more, cutting a tighter path relative to the tractor
Why
Generally, the longer the trailer (or the combination overall), the more its rear wheels cut inside the tractor's path during a turn, which is why longer combinations need to swing wider before turning.
Updated: November 2026