Unmanned tractor based on natural navigation

The utility model discloses an unmanned tractor based on natural navigation. Tractor comprising a tractor body, a guide vehicle head is arranged at one end of the tractor main body; the bottom of theguide vehicle head is fixed with the loading chassis; a driving wheel is mounted at one end of the loading chassis; a driven wheel is arranged at the other end of the carrying chassis; a traction saddle fixed with the loading chassis is horizontally arranged above the driven wheel; a GPS navigator is mounted between the traction saddle and the guide headstock; an anti-collision mechanism is arranged at the periphery of the guide headstock; the utility model discloses an unmanned tractor based on natural navigation. An anti-collision mechanism is arranged on the periphery of a guide headstock;a first protective rod and a first buffer plate corresponding to one end of the guide headstock are arranged in the middle of the anti-collision mechanism; the two ends of the anti-collision mechanismare provided with a second