After falling out with his brother over the safety and future of aviation Ferguson decided to go it alone, and in 1911 founded a company selling
Maxwell,
Star and
Vauxhall cars and Overtime Tractors. Ferguson saw at first-hand the weakness of having tractor and plough as separate articulated units, and in 1917 he devised a plough that could be rigidly attached to a
Model T Ford car—the
Eros, which became a limited success, competing with the
Model F Fordson. In 1917 Ferguson met
Charles E. Sorensen while Sorensen was in England scouting production sites for the Fordson tractor. They discussed methods of hitching the implement to the tractor to make them a unit (as opposed to towing the implement like a trailer). In 1920 and 1921 Ferguson demonstrated early versions of his
three-point linkage on Fordsons at
Cork and at
Dearborn. Ferguson and
Henry Ford discussed putting the
Ferguson System of hitch and implements onto Fordson tractors at the factory, but no deal was struck. At the time the hitch was mechanical. On 12 February 1925, at Belfast, Northern Ireland, Ferguson filed a patent titled "Apparatus for Coupling Agricultural Implements to Tractors and Automatically Regulating the Depth of Work" which is today known as the Ferguson Master Patent. This is the invention of the modern tractor for which Ferguson is best known. In it, Ferguson states different ways to attach quickly interchangeable implements to tractors so that for the first time in history tractor and implements act as a single unit. Automatic depth control and weight transfer are other important parts of the patent. This can be achieved by electrical, mechanical or fluid means. Ferguson and his team of longtime colleagues, including Willie Sands and Archie Greer, soon developed a hydraulic version, which was patented in 1926. After one or two false starts, Ferguson eventually founded the Ferguson-Sherman Inc., with Eber and George Sherman. The new enterprise manufactured the Ferguson plough incorporating the patented "Duplex" hitch system mainly intended for the Fordson "F" tractor. Following several more years of development, Ferguson's new hydraulic version of the
three-point linkage was first seen on his prototype
Ferguson black tractor or 'Irish tractor' as Harry called it, now in the
Ulster Transport Museum. A production version of the "Black" was introduced in May 1936, made at one of the
David Brown factories in Huddersfield, Yorkshire, and designated Ferguson Model A tractor. File:Ferguson-Brown Type A.jpg|Ferguson Model A tractor 1936 File:Ford Ferguson 9N tractor 1942.jpg|Ford-Ferguson tractor 1939 File:Harry Ferguson's Ford-Ferguson Ferguson System 3 point hydraulic linkage demonstrator.jpg|Ferguson system demonstrator File:Ferguson Tractor on an exhibition.jpg|Ferguson TE20 tractor 1946 File:Early Ferguson TEA 20.jpg|1947 Ferguson TEA 20 File:Massey Ferguson 35 industrial.JPG|Massey Ferguson tractor 1957 Ferguson's interests were merged with those of
David Brown junior to create the
Ferguson-Brown Company. In October 1938, Ferguson demonstrated his latest tractor to Henry Ford at Dearborn, and they made the famous "
handshake agreement". Ferguson took with him his latest patents covering future improvements to the Ferguson tractor and it is these that led to the
Ford-Ferguson 9N introduced to the world on 29 June 1939. The 1938 agreement intended that the Ferguson tractor should also be made in the UK at the
Ford Ltd factory at Dagenham, Essex but Ford did not have full control at Dagenham and, while Ford Ltd did import US-made 9N/2Ns, Dagenham did not make any.
Henry Ford II, Ford's grandson, ended the handshake agreement on 30 June 1947, following unsuccessful negotiations with Ferguson, but continued to produce a tractor, the 8N, incorporating Ferguson's inventions, the patents on almost all of which had not yet expired, and Ferguson was left without a tractor to sell in North America. Ferguson's reaction was a lawsuit demanding compensation for damage to his business and for Ford's illegal use of his designs. The case was settled out of court in April 1952 for just over $9 million. The court case cost him about half of that and a great deal of stress and ill health. By 1952, most of the important Ferguson patents had expired, and this allowed Henry Ford II to claim that the case had not restricted Ford's activities too much. It follows that all the world's other tractor manufacturers could also use Ferguson's inventions, which they duly did. A year later Ferguson merged with Massey Harris to become Massey-Harris-Ferguson Co., later
Massey Ferguson.
Standard Motor Company As a consequence of Dagenham's failure to make the tractors, Harry Ferguson made a deal with Sir John Black of the
Standard Motor Company to refit their armaments factory at
Banner Lane, Coventry. Production of the latest Ferguson tractor, the
TE20, started in the autumn of 1946, with over 20,800 TEs being built by the end of 1947. To fill the gap in Ferguson's sales in the US, thousands of TEs were shipped over from England.
Harry Ferguson Inc Production of a US version, the TO20, started at a new plant, owned by Harry Ferguson Inc, in October 1948, leaving the UK plant to supply the rest of the world. Ferguson's research division went on to develop various cars and tractors, including the first
Formula One four-wheel-drive car (see
Ferguson Research Ltd.).
Four-wheel drive systems The Ferguson Formula for all-wheel control was developed by Harry Ferguson Research Ltd, a company formed by Harry Ferguson when he acquired Dixon-Rolt Developments, a company set up by two racing drivers,
Tony Rolt and Fred Dixon, whose aim was to make a super-safe family car with four-wheel drive. Rolt was made Managing Director and new premises were found in
Redhill, Surrey, close to both Dixon’s and Rolt’s homes. Ferguson’s investment enabled the company to produce a series of research vehicles with a system that allowed the car to be run with four-wheel drive permanently engaged and automatically controlled whenever traction was lost and wheels began to slip, unlike such vehicles like
Land Rover, the system of which could not be used on hard roads. Ferguson intended these cars to be license-built by a major motor manufacturer, as his tractors had been. However, the industry proved impossible to convince and when Ferguson died in 1960, his son-in-law, Tony Sheldon took over the chairmanship and changed the company’s approach, developing instead four-wheel drive systems that manufacturers could fit in their standard production vehicles. This became known at first as the Ferguson Principle. To promote the ideas, the company built the Ferguson-Climax Grand Prix car, known as “P99” from its company project number. In the hands of
Stirling Moss, it won the 1961
Oulton Park Gold Cup, becoming the only four-wheel drive grand prix car to win a race. The only motor company to adopt the Ferguson Principle was
Jensen Motors and when it was fitted to the
Jensen FF, the system’s name was changed to the Ferguson Formula. In an attempt to persuade the American auto industry to adopt the Ferguson Formula, a number of
Ford Mustangs were converted, but neither Ford nor any other US maker took it up. One Mustang can be seen in the Tampa Bay Auto Museum in Florida. A series of twenty-two
Ford Zephyr V6 MkIV saloons were fitted with four-wheel drive for use by various British police forces and although they made a huge improvement to the handling of these large cars in all weathers, they were expensive to build and run. When GKN took out a licence to build Ferguson Formula components at greatly reduced costs, it looked likely that a four-wheel drive
Ford Capri might be made, but the plan fell through. Two other Grand Prix cars were built with Ferguson four-wheel drive. They were the
BRM P67 of 1964 and the
Matra MS84 of 1967, but the performance of both cars was inferior to their two-wheel drive counterparts. A number of cars were converted to four-wheel drive, including two
Triumph Stags, two
Triumph 2.5Pi estate cars and a
Reliant Scimitar GTE, but the motor industry failed to show any interest. In 1971, after more than twenty years of trying and not achieving the results that were expected, Tony Sheldon finally called a halt to the expense and closed Harry Ferguson Research. Tony Rolt, however, felt the research was worth continuing, especially as a new Viscous Control unit had been developed that would reduce manufacturing costs, had been developed. With Tony Sheldon’s support, he formed
FF Developments Ltd in 1971. == Death ==