Read more about the construction of the long trailer

Any trailer has a loading platform mounted on the frame, axles with wheels, springs, a turning device, and a device for coupling with the car. How long are trailers? Trailers can be single-, double-, or multi-axis. Trailers, which carry particularly heavy loads, usually have a large number of wheels (rollers). So how long is a trailer?

If the trailer has more than one axis, then it has a turning device, which consists of a turntable and a front axle with a sub-frame. The front part of the trailer frame rests on the turntable of the sub-frame. It is the extended trailer. Between the two swivel circles, balls or rollers are placed, facilitating the rotation of the front axle of the trailer. A drawbar is attached to the front axle of the long trailer, at the front end of which there is a coupling device. The coupler can be rigid or spring-loaded, depending on which the longs trailer repair differs.

green and white vintage truck

Purpose of the equipment

There are general-purpose trucks and special ones. This modification works both for modern trailers and for 1953 trailer, for example. Media trailer of general purpose is a car with an open platform with folding sides for the transport of any kinds of cargo, including off-road cars with all driving wheels, and equipped with a coupling device for towing trailers and semitrailers. Together with the trailer or a semi-trailer, the car forms a road train. Specialized cars and road trains are designed to transport one or several homogeneous types of cargoes (loose materials, pipes, trusses, concrete products, etc.). Separate types of specialized vehicles are equipped with lifting devices for autonomous loading and unloading of goods.

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Freight vehicles include trucks, tractors, trailers, and semi-trailers. Trucks, trailers, and semi-trailers, in turn, are divided into general-purpose rolling stock and specialized, the bodies of which are adapted for the carriage of goods of certain types (dump trucks, cisterns, etc.). Cars designed for permanent work with trailers are called tractors, and with semitrailers – truck tractors.

For work with two or more trailers, for the performance of the duties of the freight forwarder in non-centralized transportation, the correction factors to piece rates increase when loading cars in the opposite direction.