What Is A Semi-trailer

A semi-trailer is a trailer with its axle placed behind the vehicle's center of gravity (when the vehicle is uniformly loaded) and equipped with a coupling device that can transmit horizontal and vertical forces to the towing vehicle. A semi-trailer is generally a three axle semi-trailer, which can be divided into many types such as eleven meter compartment semi-trailer, thirteen meter compartment semi-trailer, low flatbed semi-trailer, etc. It is a heavy-duty transportation vehicle that is connected to the semi-trailer head through a towing pin.
Compared with "unibody" vehicles, semi-trailer trucks can better improve the comprehensive economic benefits of road transportation. Transportation efficiency can be improved by 30-50%, costs can be reduced by 30-40%, and fuel consumption can be reduced by 20-30%. More importantly, the use of semi trailers can also promote the organizational form of logistics in China to a certain extent.
A semi-trailer is mainly used for transporting large and difficult to disassemble goods, such as excavators, etc. The fence style is more suitable for transporting fresh goods, such as vegetables, fruits, etc The box type is more suitable for transporting bulk cargo and moisture resistant and valuable goods.