What kind of car is a trailer? On this issue, in fact, there is no unified, clear concept of expression, in the search engine input "what is a trailer", often can find a lot of different explanations, summed up can be divided into the following: 1. Road wrecker, also known as trailer, road rescue vehicle, towing vehicle, with lifting, pulling and lifting traction and other functions. 2, tractor, also known as the locomotive, such as often said "a tow a hang", refers to a tractor + a trailer. 3.Top semi trailer manufacturers claimed The bucket with no driving force. It is said that in the early days, the trailer not only does not have the driving force, also does not have its own braking force, from this point, with the trailer bucket is different, because whether it is a semi trailer, full trailer or middle axle trailer, generally with braking function. With the continuous development of vehicle technology, some trailers for safety and other factors, also added braking function, so the difference with the trailer bucket is not so obvious. Owners in some areas often refer to trailers as trailers or trailers. Although the above three models can be called "trailer", but in the vehicle market, "trailer" generally refers to the undriven, can carry the independent bucket. What are the common trailers? 1. Flatbed trailer This is a more common type of trailer, the main role is to transport goods, especially in logistics warehouses, factory parks, construction sites, airports, ports, docks, stations and other places widely used. According to the different types of goods, its tonnage is also different in size, generally more concentrated in 3t - 25t. Due to different transportation needs, some flatbed trailers will also be equipped with warehouse grids, railings or car bodies. 2. Farm trailer Agricultural trailer refers to agricultural vehicles mainly pulled by tractors, also can be called agricultural trailers, is an important mode of mechanized transport in rural China, can give full play to the role of tractors. According to the application field and application function, agricultural trailer can be divided into many kinds, its tonnage is generally concentrated in 2t-10t, there are also special cases. Here are some of them: (1) Transport trailer. Mainly used for grain transportation, the top part is mainly to the main plate. The small trailer is suitable for rural short distance or field transport, medium or large for township or rural road transport. (2) Wet and dry fertilizer sprinkling car. Can be used for fields, orchards and other manure sprinkling fertilizer, dry fertilizer, wet fertilizer can be applicable, compared to manual sprinkling, more efficient work. (3) liquid fertilizer sprinkling car. Function and wet and dry fertilizer sprinkling car, suitable for liquid fertilizer sprinkling, to a certain extent can liberate the manual. (4) Forage/straw pickup trailer. It can automatically pick up the scattered straw in the field or the scattered grass in the pasture and collect it into the carriage. It has fast operation speed and high efficiency. It can even be used to pick up the discarded mulch. (5) Agricultural machinery transport trailer. The main role is to transport agricultural machinery, such as harvesters and so on. In order to facilitate mechanical loading and unloading, hydraulic ladder or inclined type is generally used. 3. Car/engineering truck trailer. The function of this trailer is similar to the common wrecker, mainly used for hauling cars or construction machinery, but its model is tractor + trailer type. The general design has hydraulic ladder or lifting chassis. 4, dump trailer Dump trailer refers to the trailer equipped with hydraulic top. According to the different installation position of lifting rod, it can be divided into rear dump trailer and side dump trailer, and the tonnage size is determined according to the actual demand. 5. Travel trailer Is usually called the trailer trailer, also known as the trailer, the carriage is generally designed with tables and chairs, cookware, bathroom, lighting and other special facilities, mainly used in tourism or field staff camping, some of the tonnage and volume of small, internal facilities relatively simple models can also be called camping trailer. 6. Small/micro trailer Such as livestock trailer, motorcycle trailer, Marine trailer, luggage trailer, bicycle trailer, etc., these trailers are smaller, lighter weight, but also more simple and practical. Thus, the trailer application field is very wide, the function is also very powerful. Compared to the one-piece vehicle, the trailer can be attached or dismounted at any time, which is more flexible and more efficient.