A semi-trailer is a trailer whose axle is placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded) and equipped with coupling devices that can transmit horizontal and vertical forces to the tractor. Semi-trailers are generally three-axle semi-trailers, and their types are divided into eleven-meter warehouse rail semi-trailers, 13-meter warehouse rails, low-level semi-trailers and other types. It is a heavy-duty transportation vehicle connected with a semi-trailer head through a towing pin.
Compared with "single-type"
Cars, semi-trailers can improve the comprehensive economic benefits of road transport. Transportation efficiency can be increased by 30-50%, costs by 30-40%, and fuel consumption by 20-30%. More importantly, the use of semi-trailers can also promote the organization of logistics in my country to a certain extent.
The semi-trailer is a large cargo that is mainly transported in a large volume and is not easy to split, such as excavators, etc., the fence type is more suitable for pulling fresh goods, such as vegetables, fruits, etc. The
Van type is more suitable for pulling bulk goods and moisture resistance More expensive goods
Unlike a trailer, a semi-trailer is a trailer where the axle is placed behind the center of gravity of the vehicle (when the vehicle is evenly loaded), and is equipped with a coupling device that can transmit horizontal or vertical forces to the tractor! Generally, there are two axles for a full trailer and one axle for a semi-trailer. A semi-trailer refers to a vehicle that has no power by itself and carries a vehicle that is driven by the main vehicle.
Simply put, the trailer is connected to the front truck with a hook. The semi-trailer is connected to the traction seat of the tractor through a traction pin. The common container transport vehicle is a typical semi-trailer, and the rear loading part is a semi-trailer.
There are also differences in uses. Full trailers are mainly used for short-distance transportation in factories, ports, docks, warehouses and other fields, while semi-trailers are mainly used for long-distance transportation of goods.
