a trailer that has some of its weight carried on a towing unit, and some of the weight carried on the vehicle itself
a trailer without a front axle
(or Trailer) A non-powered vehicle for the carriage of goods, intended to be coupled to an articulated vehicle (motor vehicle). Semi-trailers may have to be specially adapted for use in Intermodal Transport.
a vehicle without motive power designed to be drawn by another vehicle and so constructed that some part of its weight and that of its load rests upon, or is carried by, a towing vehicle.
A freight-carrying, powerless truck trailer with one or more axles and constructed so that the front end rests upon a truck tractor.
A trailer that has only rear axles. The front of a semi-trailer either rests on the tractor or is supported by its landing gear when coupled.
A 45 foot trailer designed to be pulled singly by a tractor.
Trailer equipped with rear wheels only. The front of the trailer is supported by landing legs when not hooked to power. Generally used to refer to a full size (45 to 48-foot) trailer; as opposed to a doubles trailer.
Vehicle without motive power and with one or more axles designed to be drawn by a truck tractor.
Truck trailer equipped with one or more axles and constructed so that the front end rests upon the back of a truck tractor.
Trailer attached to a tractor through a fifth wheel.