The trackless transporter consists of power supply, driving mechanism, steel load-bearing frame, steering system, traveling mechanism, control module and fault diagnosis module. The power supply passes through the electrical control module system to provide power for the traction motor, realizing the start, stop, forward and backward of the trackless transporter as well as other functions. Considering the weight of the transported goods, the corresponding model can be selected without considering the rail cost and the running site. It can rotate freely on the ground. It is flexible, convenient and simple to operate.