Low-flat semi-trailer is usually used to transport heavy vehicles (e.g. towing vehicles, buses, special vehicles, railway vehicles, mining machinery, forestry machinery, construction machinery (such as excavators, bulldozers, loaders, paving machines, cranes, etc.) and other heavy cargo, the lower the center of gravity, the better stability and safety, The stronger the ability to transport ultra-high cargo and to pass overhead barriers.
Low-flat semi-trailer is usually a concave-beam (or well-shaped) frame, the front of the frame is the goose neck (the traction pin of the front of the goose neck is connected with the traction saddle on the tractor, the back end of the goose neck is connected with the semi-trailer frame), the middle is the pallet (the lowest part of the frame), and the rear end is the wheel frame (including the
When loading mechanical equipment on a lower flat-panel semi-trailer, it is usually necessary to load the mechanical equipment from the rear of the trailer, that is, by moving the mechanical equipment from the rear wheel frame or removing the wheel, and then fixing the mechanical equipment to the semitrailer.