Full trailer

Full trailer means any motor vehicle other than a pole trailer which is designed to be drawn by another motor vehicle and so constructed that no part of its weight, except for the towing device, rests upon the self-propelled towing motor vehicle. A semitrailer equipped with an auxiliary front axle (converter dolly) shall be considered a full trailer.

Source

49 CFR § 390.5

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Scoping language

Unless specifically defined elsewhere, in this subchapter:

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