What is a tractor, what is a trailer, half hung, all hung difference, what is dump truck?
Tractors are the only cars that have no front or warehouseThe trailer is not welded to the front of the warehouseThe dump truck is a freight car with pushing, lifting, pushing and dropping columns, which carries more scattered goods.Half hung all hang, now basically no big difference, boundaries are very vague
The full trailer is usually two carriages, the front of the car and tractor head is one, and then back with a car
The semi - trailer is only a tractor - driven car with a long carriage, and the tractor head and carriage are split.
A tractor is a single car, and it is used to drive the car behind which can not move by itselfTrailer is generally tractor + car full name