Trailer

What is a trailer? Trailer are vehicles without automotive, that are being pulled by a traction engine which is normally a truck or a car.
Mainly the trailer is being measured by their tow bar load, but also according to the number of its axles. A coupling device or hitch connects the traction engine and the trailer. Roughly one differs between toy trailers and motocycle trailers that can be towed by a commonly accessible pickup truck or van. Also there exist semi-trailers that has no front axle.A large proportion of its weight is supported either by a road tractotra or by a detachable front axle assembly known as a dolly. The majoriy of trailers that are being pulled by a car or tractor have an open case, or platform that can be covered with a canvas cover.