The flatbed trailer and the rail flatbed trailer are not the same type. The rail flatcar is a flatcar running on the track, which is generally powered, and uses rail power supply or battery and other power supply methods; Flat bed trailers are generally unpowered vehicles. They are towed and towed by forklifts or tractors, commonly known as traction flat bed trailers, and can run on rails or cement ground. There is also a trackless electric flat bed truck, which is powered but trackless, and can walk on flat roads or certain small slopes at will.

The trackless flat trailer, that is, the flat transport vehicle without tracks, is mainly different from the rail flat car in that the trackless flat car uses solid rubber coated wheels with strong bearing capacity. The wheel diameters configured according to the size of the load tonnage are different, and generally it will be equipped with a steering mechanism. The trackless flat trailer can run freely on the ground level or even turn on the spot. It can also be set as a fixed route according to customer requirements. Compared with other ground moving carriers, the trackless flat car has smaller volume and larger bearing capacity, lower trolley height, convenient loading and unloading, and is more suitable for the transfer of materials in the workshop. However, because of its bearing capacity, the trackless flat car has certain requirements on the ground. The ordinary cement ground can be used when the load is less than 30T. If the load is more than 30T, the ground needs to be tempered or paved with steel plates and other materials with high strength bearing capacity. Therefore, when purchasing trackless flat cars, customers should comprehensively consider the use conditions and choose the most suitable flat car for their own transportation