David Brown 990 Selectamatic Tests


David Brown 990 Selectamatic tractor photo
1961 - 1980
Model year
Selectamatic Series
Utility tractor
Series:880990 Selectamatic
Nebraska Tractor Test 977
990 Selectamatic fuel use from test 977
Nebraska Tractor Test 977
3.2L diesel 6-speed 2WD
May 27 - June 3, 1968
Link: Nebraska Tractor Test 977 file
PTO performance
Power at rated engine speed:52.07 hp
38.8 kW
Fuel use:3.2 gal/hour
12.1 l/hour
Power at rated PTO speed:49.65 hp
37.0 kW
Fuel use:3.0 gal/hour
11.4 l/hour
Drawbar performance
Max power:43.31 hp
32.3 kW
Fuel use:3.1 gal/hour
11.7 l/hour
Gear 1-High used for power test.
Max pull:7,142 lbs
3239 kg
Gear 1-Lo used for pull test.
Page information
Last update:November 30, 2020
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