How to judge dump trucks and tractors?
The full trailer is usually two carriages, the front of the car and tractor head is one, and then back with a car
Half hung all hang, now basically no big difference, boundaries are very vagueA 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 nameThe semi - trailer is only a tractor - driven car with a long carriage, and the tractor head and carriage are split.
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.
In fact, you ask a very fuzzy, truck stand-alone, a trailer, they are dump and not to take a dump truck.Tractor two sets of brand, two driving license, one is tractor, one is bucket, from the rear view is XXXX hanging, tractor can run without a bucket.A simple distinction is that the rear part of the tractor has a space at the back, which is used to turn the corner. Single car front and bucket are connected, only a little gap, which is used to repair the car.The tractor turns the car into a broken line, the single car turns and the body is in a straight line,The dump truck has a hydraulic assembly for unloading. A hydraulic cylinder can be seen at the bottom of the car. (some tractors now have dump functions)
