Ferguson hitch arrangement. The postwar Ford 8N, equipped with Ferguson's three-point hitch, became the top-selling tractor of all time in North America. Ferguson TE20 After the split with Ford, Ferguson took the opportunity to have the Standard Motor Company of the UK produce a new design, the Model TE20. The model name came from Tractor, England but is affectionately known as the Little Grey Fergie. There were several variants of the TE20; the first tractors were designated TE20 Using an imported Continental Z120 engine. In 1948 the TEA20 was introduced with a Standard brand petrol engine, following the introduction of the TED20 which ran on TVO (tractor vapourising oil, similar to paraffin). Later a diesel model was introduced, the TEF20. There were other variants with narrow tracks for working in vineyards and orchards, such as the TEB20 and TEC20. Over 500,000 Little Grey Fergies were built between 1946 and 1956, and many survive today. So successful was the TE20 that Ford nicknamed it the "Grey Menace" as sales of the tractor spread across the world. Some were used on an expedition to the South Pole in 1958 by Sir Edmund Hillary, a testament to the durability of the machine. Ford ultimately settled the legal proceedings with a multimillion-dollar sum that allowed Ferguson to further expand his own manufacturing interests. There is a monument in Wentworth on the junction of the Darling and Murray Rivers in commemorating the time in 1956 when both rivers flooded and a fleet of Little Grey Fergies was used to build defensive banks to save the town. Ferguson Park Ferguson built a plant in Detroit where the TO20, TO30, and F40 were assembled. He named it Ferguson Park, perhaps because the 8Ns were then being assembled at Highland Park. Massey Ferguson stopped production at this plant in 1984. Part of the plant is currently in use by an auto parts manufacturer. Three-point linkage The principal feature of the Ferguson System was the three-point linkage. This allowed trailed implements to be supported on a hydraulic system. Two drag links attached under the rear axle with a single compression link connected to the upper rear transmission case automatically regulating the hydraulic suspension's height. This allowed lighter implement to be used, with no attached wheels or separate manual controls. By assisting the tractor to maintain traction from a combined drag and rotary force to the axle, which kept the