The Revolutionary 3-Point Hitch In Britain, 1926, Harry Ferguson patented the revolutionary 3-point hitch for farm tractors. The 3-point hitch transferred stress and weight to the back wheels, in conjunction with the hydraulics system. Harry Fergusons infamous handshake agreement with Henry Ford led to the introduction of the Ford 9N tractor in 1939. Suddenly, the Ford tractor had an advantage over competitors. Tractor designers had to develop competing weight transfer hitch designs. When the patents expired, the 3-point hitch became standard. In 1956, John Deere & Co. introduced their 20 series 2-cylinder tractors that was comparable to the 3-point hitch. John Deere 520 and 620 tractors utilized a unique three-point design. The John Deere 720 Tractor used the same design, however the draf