Trailer and Semi trailer
There are, broadly speaking, two types of trailers：full trailers and semi trailers
Semitrailer：is a trailer with no front axle. The front of the trailer is supported by the tail of the tractor which tows it. When a semitrailer is uncoupled, the front is normally supported on legs.
Full trailers:have axles either front and back or in the middle, and have a drawbar so that they can be towed behind another vehicle.
What is the advantage of trailers?
The trailer is more capable of improving the comprehensive economic benefits of road transport. Transport efficiency can be increased by 30-50%, cost reduced by 30-40% and fuel consumption decreased by 20-30%.
Classification of semi-trailers
Self-dumping semi-trailer is suitable for the transportation of coal, ore, building materials and other bulk and scattered goods. Self-dumping semi-trailers can be divided into two categories according to their uses: one category belongs to heavy and super heavy dump trailers for non-highway transportation, which mainly undertake transportation tasks of large mines and projects, and are usually used in conjunction with excavators. The other category belongs to the road transport of light and medium-sized ordinary dump trailer mainly undertake gravel, soil, coal and other loose cargo transportation, usually with the loader supporting the use.
Lowbed semi-trailer is usually used to transport heavy vehicles (such as tractors, buses, special cars, etc.), rail vehicles, mining machines forestry machines, agricultural machines (such as excavators, bulldozers, loaders, pavers, cranes, etc.) and other heavy-duty cargo, the lower its center of gravity, the better its stability and safety, and the stronger its ability to transport super-high cargo and pass overhead obstacles.
It is mainly used for the transportation of agricultural and sideline products and other light cargo.
Box trailer are generally split structure, such as van-type LTL truck, refrigerated insulated truck, etc.Box trailer are usually used for the transportation of household appliances, light textile goods, coal, sand and gravel and other construction materials, as well as the transportation of charted goods.
It is mainly used for transporting liquid, bulk materials and bulk cement, etc. 1、Tank truck series are divided into oil tanker, concrete mixer, powder granular material and bulk cement truck, water supply truck, etc.