Agricultural machinery traction device

The utility model provides an agricultural machinery traction device which comprises a main beam and a traction assembly, one end of the main beam is provided with a connecting body connected with a tractor in a matched mode, the other end of the main beam is vertically provided with a supporting beam, and the main beam and the supporting beam are respectively provided with a supporting unit. The supporting unit comprises a fixing frame, an oil cylinder and a wheel carrier with land wheels, the wheel carrier is hinged to the lower portion of the fixing frame, one end of the oil cylinder is hinged to the upper portion of the fixing frame, the other end of the oil cylinder is hinged to the wheel carrier, and a piston rod of the oil cylinder drives the wheel carrier to vertically swing when stretching out and drawing back. The tractor is reasonable in structural design, small in turning resistance, flexible in turning and convenient to drag, the working efficiency is improved, and the requirement for power of th