david brown 990

David Brown 990 Implematic tractor photo
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
990 Implematic  gear speeds
Transmission
Type
partially synchronized
Gears
12 forward and 4 reverse
Twelve-speed transmission introduced in 1963.

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