Difference Between Full Trailer and Semi-Trailer

1 Answers
DeCorbin
07/30/25 9:06am
1. Connection Method to Tractor Full Trailer: The load is entirely borne by itself, connected to the tractor only by a hitch. The tractor does not need to bear the trailer load, only providing traction; Semi-Trailer: In addition to providing a support point and power, the tractor also needs to bear part of the trailer load. 2. Standing Method A full trailer can stand on its own tires, with the entire load borne by the trailer itself, connected to the main vehicle only by a hitch. The main vehicle does not need to bear the trailer load, only providing power to achieve traction and steering of the full trailer. A semi-trailer must rely on the front landing legs. Semi-trailers evolved from full trailers. A semi-trailer has its front half resting on the fifth wheel coupling of the tractor's rear section, with the rear axle of the tractor bearing part of the trailer's weight.
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