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1933 Harry Ferguson demonstrates his Black Tractor and then spent the next couple of years overcoming problems with the hydraulic system.
In 1935 these difficulties were resolved and a deal was struck whereby David Brown Tractors would build the machines at their Huddersfield works and Harry Ferguson Ltd would sell them.
The tractor was built at Park Gear Works, Huddersfield initially and later at the Meltham Mills factory. The 'Black Tractor' then became known as the Type A. The colour was changed to battleship grey, a colour which Harry Ferguson would subsequently choose for production tractors with which he had a close involvement. An 18-20 HP Coventry Climax engine was used for the first production run of Type A. The tractor featured a three speed gearbox and the Ferguson System linkage.
The tractor was powered by a four-cylinder engine with the first 500 having a Coventry Climax Type E engine and the other 1,350 having a 2010 cc David Brown engine.
1939 Following the production of 1,350 of these updated models David Brown and Harry Ferguson parted.