More common, with a large empty bed at the rear, which can be tilted into a slope by hydraulic devices, and vehicles can drive on it or winch it into place and then level it for towing. It is mainly used to transport goods and is widely used in logistics warehouses, factory parks, construction sites, airports, ports and other places. The tonnage is generally 3t-25t.

Pulled by a tractor, it is an important mechanized transportation method in rural areas. It can be divided into transport trailers, dry and wet fertilizer spreaders, liquid fertilizer spreaders, forage/straw picking trailers, agricultural machinery transport trailers, etc. It is suitable for agricultural production and transportation, and the tonnage is generally 2t-10t.

Used to tow cars or construction machinery, with functions similar to tow trucks, and the vehicle model is a tractor + trailer type.

It is equipped with a hydraulic jack. Depending on the installation position of the lifting jack, it is divided into a rear-flip dump trailer and a side-flip dump trailer. It can unload automatically, and the tonnage is determined according to actual needs.

A trailer-type RV with special facilities such as tables and chairs, cooking utensils, bathroom, lighting, etc. in the car, which is mainly used for tourism or camping of field workers.

Such as livestock trailers, motorcycle trailers, boat trailers, luggage trailers, bicycle trailers, etc., with smaller tonnage, lighter weight, simple and practical.