david brown 990
 | 1961 - 1980
Model year 1961-19651965-19701971-1980
Utility tractor | 1961 - 1980 | Model year 1961-19651965-19701971-1980 | Utility tractor |
|---|---|---|---|---|
1961 - 1980 | ||||
Model year 1961-19651965-19701971-1980 | ||||
Utility tractor | ||||
1961 - 1980 | |
|---|---|
Model year 1961-19651965-19701971-1980 | |
Utility tractor |
Production | |
|---|---|
Manufacturer | David Brown |
Utility tractor | |
Built in Meltham Mills, Huddersfield, England | |
David Brown 990 Engine | |
|---|---|
David Brown 3.0L 4-cyl diesel | |
Fuel tank | 13.74 gal
52.0 L |
Engine details ...  | |
David Brown 990 Transmissions | |
|---|---|
6-speed gear | |
12-speed partially synchronized | |
Transmission details ...  |
David Brown 990 Power | |
|---|---|
Engine | 52 hp
38.8 kW |
Drawbar (claimed) | 43 hp
32.1 kW |
PTO (claimed) | 48 hp
35.8 kW |
Drawbar (tested) | 43.47 hp
32.4 kW |
PTO (tested) | 51.60 hp
38.5 kW |
Performance test details ...  | |
Mechanical | |
|---|---|
Two-wheel drive | |
Differential lock | mechanical rear |
Steering | manual |
| hydrostatic power (optional) |
Differential mechanical expanding shoe brakes | |
Open operator station. | |
Photos | |
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 | |
David Brown 990 photos...  |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2000 psi
137.9 bar |
Total flow | 7.4 gpm
28.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | II/I |
Power Take-off (PTO) | |
|---|---|
Rear PTO | transmission |
| live (optional) |
Clutch | dry disc |
Rear PTO Type | 540/1000 (1.375) |
Engine RPM | 540@1800 (Low) |
| 540@1100 (High) |
| 1000@2000 |
Dimensions & Tires | |
|---|---|
Wheelbase | 76.75 inches
194 cm |
Weight | 4272 to 4312 pounds |
Front tire | 6.00-16 |
Rear tire | 11-32 |
Full dimensions and tires ...  | |
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 |
Batteries | 2 |
Battery volts | 6 |