Semi trailer introduction

A semi trailer is a trailer with its axle placed behind the center of gravity of the vehicle (when the vehicle is uniformly loaded) and equipped with a coupling device that can transmit horizontal and vertical forces to the towing vehicle. Semi trailers are generally three axle semi trailers, some are 2 axles and 4 axle, some are even more axles. Semi trailer can be divided into many types, such as eleven meter semi trailers, thirteen meter semi trailers, and low platform semi trailers. It is a heavy-duty transportation vehicle connected to the head through a traction pin.

Compared to “single body” vehicle, semi trailers 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 play a certain role in promoting the organizational form of logistics in Global market.

Semi trailers are mainly used to transport bulky and difficult to separate large cargo, such as excavators. Fence type cargo is more suitable for transporting fresh and live goods, such as vegetables, fruits, etc. Box type cargo is more suitable for transporting bulk cargo and moisture-proof expensive goods. There are also various fuels oil, chemical liquid, palm oil, powder materials, bulk cement powder, asphalt, compressed gases such as lpg lng cng, etc.

Unlike a full trailer, a semi trailer is a trailer with its axles placed behind the center of gravity of the vehicle (when the vehicle is uniformly loaded) and equipped with a coupling device that can transmit horizontal or vertical forces to the towing vehicle.
Simply saying, the full trailer is connected to the front truck with a hook. A semi trailer is connected to the truck head through a traction pin. Container transport flatbed is a typical semi trailer.
There are also differences in usage. Full trailers are mainly used for short distance transportation in factories, ports, docks, warehouses, and other areas, while semi trailers are mainly used for long-distance transportation of goods.

According to different shapes and uses, semi-trailers can be classified as follows: skeleton semi-trailer, flat bed semi-trailer, fence semi-trailer, side wall semi-trailer, low flat bed gooseneck lowboy semi-trailer, dump tipper semi-trailer, oil tank semi-trailer, asphalt tank semi-trailer, chemical liquid tank semi trailer, car transport semi trailer, lpg lng cng tank semi trailer, modular trailer, etc.