Traction-height-adjustable tractor

The invention discloses a traction-height-adjustable tractor. The tractor comprises a steering handle, a tractor body, a traction system and a pedal assembly, wherein the steering handle is arranged on the rear part of the tractor body; the pedal assembly is arranged on the tail part of the tractor body; a driver can stand on the pedal assembly to operate the steering handle; a left switch and a right switch are respectively arranged on the two sides of the steering handle; the left switch controls an oil cylinder to ascend; the right switch controls the oil cylinder to descend; slide rails are symmetrically arranged on the two sides of the middle part of the tractor body; the traction system comprises a traction rack and the oil cylinder; rolling wheels are arranged on the two sides of the traction rack and can slide up and down in the slide rails on the middle part of the tractor body; the upper end of the oil cylinder is fixed to the upper end of the traction rack ; the lower end of the oil cylinder is fixed to the tractor body; the lifting of the oil cylinder can directly drive the lifting of the traction rack. When a trailer is towed, the traction height can be adjusted in a hydraulic way to adapt to trailers with different heights, so that the labor intensity of operators is reduced, and the application range of the tractor is widened.