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: | Frame, right side
|
| 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 2024 TractorData.com® |
| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. |
| Peter Easterlund - owner/author |
| Email: Peter@TractorData.com |
| Updated on November 30, 2020 |
©2000-2024 - TractorData.com®. Notice: Every attempt is made to ensure the data listed
is accurate. However, differences between sources, incomplete listings,
errors, and data entry mistakes do occur.
Consult official
literature from the manufacturer before attempting any service or repair.
Engine details ...
Transmission details ...
David Brown 990 photos...
Full dimensions and tires ...