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David Brown Tractors

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David Brown Engineering Limited is an English engineering company, principally engaged in the manufacture of gears and gearboxes. Their major gear manufacturing plant is in Swan Lane, Lockwood, Huddersfield, adjacent to Lockwood railway station. It is named after the company's founder, David Brown, though it is more closely associated with his grandson, Sir David Brown.

Founded in 1860 as a pattern manufacturing company, by 1873 David Brown had begun to concentrate on gear systems, and by 1898 was specialising in machine-cut gears. The company moved in 1902 to Park Works at Huddersfield, where the firm is based today. When David Brown died in 1903, his sons Percy and Frank took over and began the manufacture of complete gear units, bearings and shafts and worm drive gears. Gearing manufactured by David Brown Ltd. and powered by electric motors manufactured by Brook Crompton (Electric) Motors, whose factory was in Brockholes are used to rotate the top of the BT Tower in London.

In 1913 they established a joint venture in America with Timken for worm drive units. By the end of World War I the workforce had increased from 200 to 1000 as they started building propulsion units for warships, and drive mechanisms for armaments. By 1921 the company was the largest worm gear manufacturer in the world.

In 1930 the company took over P.R. Jackson Ltd, another local firm of gear manufacturers and steel founders. Percy's eldest son (Sir David Brown) became managing director in 1931 following Percy's death, with Frank becoming chairman. The firm formed another overseas joint venture with Richardson Gears (Pty) Ltd of Footscray, Victoria, Australia in 1934. In 1934 the company also built a new factory on a site at Meltham, on the south side of Huddersfield. Brown started building tractors with Harry Ferguson there in 1936.

The company obtained a patent for a tank transmission using controlled differential steering system, known as the Merritt-Brown system in 1935. The first vehicle to use this system was the Churchill tank, and it was subsequently used on the Centurion tank and the Conqueror tank, as well as the Tortoise heavy tank.


David Brown tractors are relatively few, as compared to other tractor manufacturers like Ford, New Holland, John Deere and others. Aftermarket tractor parts for David Brown are available for 1200, 1210, 1212, 1410, 1412, 755, 780, 880, 885, 885N, 950, 990, 995 and 996.

The David Brown model 25 and 950 were manufactured in 1950’s, models 850, 880, 990, 770, 780, 1200 and 3800 in the 1960’s, while the 1970’s produced the 885, 995, 1210, and the 1212. Other models produced were the 895, 1390 and the 1490. Parts are available for most of these tractors.

Typically, all the David Brown tractors engines are between 9 hp to 99 hp. The most popular David Brown tractor engines are the AD3/49A, AD3/55, AD3/55A, AD4/47, AD4/49, AD4/55, and the turbocharged late engines, AD4/55T, and the 6 cylinder engine AD6/55 and turbocharged AD6/55T.

David Brown parts are provided for both the 2 wheel drive and the 4 wheel drive tractors. These machines comes with manual steering for the early machines, and later power steering for the 770, 780, 880, 885, 950 and the 1200. Hydrostatic steering was introduced on later models.
David Brown Tractor parts are still provided for the well known Carraro front axles.

David Brown Tractor parts includes cab glass, cab parts, clutch, clutch parts, transmission gears, axle parts, PTO parts, radiators, thermostats, radiator hoses, engine parts, engine kits, oil, lube, hydraulic, transmission filters, hoods, grills, decals, starters, alternations, fan belts, mufflers, exhaust pipes, water pumps, steering pumps, hydraulic pumps, rims, hitch, drawbar, seats, and service manuals.
Know what type of David Brown tractor parts to order, requires a knowledge of the tractor. The most important factor, is whether a tractor is “Implematic” or “Selectamatic”. This refers to the transmission design. The mechanic may be able to determine which design in on your tractor.

Both David Brown and Case IH parts are now relabeled with the Case IH number system, typically being labeled with the part number beginning with a “K”.
With part number identification being a problem when ordering parts, its recommended that the dealer be contacted for a proper and correct parts catalog. Once that is had, parts ordering will be as simple as inputting part numbers on this website, and checking price and availability
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These subtle differences can assist in choosing generators, for example. There are two types of generators, vented and non-vented. For personnel that does not know the difference, simple, check the parts catalog for the correct part number.

The serial number is essential in choosing radiators, fan belts, and radiator caps. There are two series of tractors,  and replacement maintenance parts chosen will vary  with the serial number of the tractor.
David  Brown tractors are relatively few, as compared to other tractor  manufacturers like Ford, New Holland, John Deere and others. Aftermarket  tractor parts are available for 1200, 1210, 1212, 1410, 1412, 755, 780,  880, 885, 885N, 950, 990, 995 and 996.

The model 25 and 950 were  manufactured in 1950’s, models 850, 880, 990, 770, 780, 1200 and 3800  in the 1960’s, while the 1970’s produced the 885, 995, 1210, and the  1212. Other models produced were the 895, 1390 and the 1490. Typically,  all the David Brown tractors engines are between 9 hp to 99 hp. The most  popular David Brown tractor engines are the AD3/49A, AD3/55, AD3/55A,  AD4/47, AD4/49, AD4/55, and the turbocharged late engines, AD4/55T, and  the 6 cylinder engine AD6/55 and turbocharged AD6/55T. David Brown  Tractor parts are provided for both the 2 wheel drive and the 4 wheel  drive tractors. These machines comes with manual steering for the early  machines, and later power steering for the 770, 780, 880, 885, 950 and  the 1200. Hydrostatic steering was introduced on later models. David  Brown Tractors comes with the well known Carraro front axle parts. Parts  includes cab glass, cab parts, clutch, clutch parts, transmission  gears, axle parts, PTO parts, radiators, thermostats, radiator hoses,  engine parts, engine kits, oil, lube, hydraulic, transmission filters,  hoods, grills, decals, starters, alternations, fan belts, mufflers,  exhaust pipes, water pumps, steering pumps, hydraulic pumps, rims,  hitch, drawbar, seats, and service manuals

Comments or Questions are welcome.All parts that are in stock are marked as "Available." Parts that are not shown on the shopping cart are not stocked and are not available. Our customer service representatives have access to this identical information