David Brown 990 Selectamatic
| | 1961 - 1980 |
|
| Selectamatic Series | | Utility tractor |
|
Series map:
880
990
34.3kw
41.0kw
| Production |
| Manufacturer | David Brown
|
| Utility tractor |
| Built in Meltham Mills, Huddersfield, England |
| Original price was $9,000 in 1976 |
| David Brown 990 Power |
| Engine (gross) | 55 hp
41.0 kW
|
| Drawbar (claimed) | 4 hp
3.0 kW
|
| PTO (claimed) | 52.9 hp
39.4 kW
|
| Plows | 4
|
| Drawbar (tested) | 43.31 hp
32.3 kW
|
| PTO (tested) | 52.07 hp
38.8 kW
|
 Performance test details ... |
| Mechanical |
| Two- or four-wheel drive |
| Differential lock | mechanical rear
|
| Steering | manual
|
| | hydrostatic power OptOptional
|
| Differential mechanical expanding shoe brakes |
| Open operator station. |
| Hydraulics |
| Type | open center
|
| Pressure | 2000 psi
137.9 bar
|
| Pump flow | 7.2 gpm
27.3 lpm
|
| Tractor hitch |
| Rear Type | II/I
|
| Control | position and draft control
|
| Rear lift (at ends) | 2000 lbs
907 kg
|
| Power Take-off (PTO) |
| Rear PTO | transmission
|
| | live OptOptional
|
| Rear PTO Type | 540/1000 (1.375)
|
| Engine RPM | 540@1800
|
| | 1000@2000
|
| 990 Serial Numbers |
| Location: | Serial number on the right side of the tractor frame.
|
| 1961 | 440001
|
| 1962 | 441323
|
| 1963 | 450376
|
| 1964 | 460376
|
| 1965 | 472273
|
| 1966 | 483768
|
| 1967 | 496283
|
| 1968 | 504690
|
| 1969 | 808150
|
| 1970 | 818301
|
| 1971 | 826009
|
| 1972 | 850600
|
| 1973 | 854403
|
| 1974 | 859367
|
| 1975 | 863900
|
| 1976 | 11070001
|
| 1977 | 11080236
|
| 1978 | 11089141
|
| 1979 | 11096828
|
| 1980 | 11104577
|
FAQ: How to read a serial number table.
|
| Electrical |
| Charging system | generator
|
| Battery volts | 12
|
| Battery AH | 96
|
| References |
 |
| Selectamatic published in 1965, by David Brown |
| 990 & 880 Diesel Tractors published in 1965, by David Brown |
| Selectamatic published in 1965, by David Brown |
| Page information |
 |
| Copyright 2026 TractorData.com® |
| Email me: Peter@TractorData.com |
| TractorData is a family-owned small business located in Minnesota. I have been researching tractor history and providing specifications for free since 1999. |
| Peter Easterlund - owner/author |
| This machine's data modified on January 13, 2026 |
©2000-2026 - TractorData.com®. Notice: Every attempt is made to ensure the data listed
is accurate. However, differences between sources, incomplete listings,
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Consult official
literature from the manufacturer before attempting any service or repair.
Engine details ...
Transmission details ...
David Brown 990 photos...
Full dimensions and tires ...