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 |
Transmission options | |
|---|---|
6-speed gear | |
12-speed partially synchronized |
Transmission | |
|---|---|
Type | gear |
Gears | 6 forward and 2 reverse |
Clutch | 279mm dry disc |
Three gears (1-3) plus reverse (R) in low and high ranges. | |
Speeds | |
|---|---|
 |
Transmission | |
|---|---|
Type | partially synchronized |
Gears | 12 forward and 4 reverse |
Twelve-speed transmission introduced in 1963. | |