An agricultural traction system having a) two agricultural machineries, respectively one left-handed machinery and one right-handed machinery, each machinery having a rectilinear frame having four corners, four wheels, each attached to one of the four corners of the rectilinear frame, a driving and reversible control unit mounted on the frame between two adjacent wheels of the four wheels, a hoist connected to the frame and provided with a safety clutch, jacks arranged on one side of the frame and configured to steady the machinery, counterweights, arranged on another side of the frame, opposite to the side of the frame on which the jacks are arranged, and means, provided inside the control unit, for independent and remote automatic driving, b) a cable configured to wind and unwind around respective hoists of the two machineries, c) an agricultural tool that moves along the cable as the cable winds and unwinds around the hoists; and d) a telescopic arm attached to the agricultural tool and configured to extend the cable during movement of the agricultural tool along the cable.