The trailer has a (can be steered) front trailer called a full trailer, no front wheel, and the trailer on the front of the trailer is called a flatbed trailer.
Similarities between flatbed trailers and full trailers:
They are all vehicles that carry cargo for loading and unloading.
The load of the trailer is entirely borne by itself, and the locomotive is only connected by hooks. The locomotive only provides power to help the trailer overcome road frictional resistance. The full hang can rely on its own tires upright; the flatbed trailer side requires the locomotive to provide a support point, and the locomotive is responsible for providing power and half the load of the trailer. That is, part of the weight of the semi-hanging is to be carried on the tractor, and the semi-hanging must stand on the front leg.
Their different uses:
A full trailer, that is, an ordinary car is followed by a full-hanging car, and the two are connected by hooks. The trailer can increase the loading capacity of the truck and reduce the fuel consumption, thereby reducing the transportation cost; the tank type trailer-loading part is a trailer with a closed tank structure; the flat trailer-to-cargo part has a flat structure and no fence Full trailer; container trailer-loading part is frame structure and no floor, special trailer for transporting the container; self-unloading trailer-loading part with automatic dumping device.
The flatbed trailer is composed of a flat trailer connected to the rear of a tractor, and is supported on the tractor by a traction bracket of the flatbed trailer. Common flatbed trailers are trailers, large container transporters; tank flatbed trailers, flatbed flatbed trailers, container flatbed trailers, self-unloading flatbed trailers, which carry the same cargo parts as trailers; flatbed trailers have no tires in the front half of the compartment. The weight is borne by the rear wheel of the car and the main car and the weight of the full trailer is borne by the four wheels of the car, the same is pulled by the main car.
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