Oliver 990 Tests


Oliver 990 tractor photo
1958 - 1961
900 Series
Standard-tread tractor
Series map:
950
990
995
66.4hp
93.4hp
94.9hp
Nebraska Tractor Test 661
990 fuel use from test 661
Nebraska Tractor Test 661
Diesel 6-speed 2WD
July 7 - 18, 1958
Link: Nebraska Tractor Test 661 file
Belt power (max)84.10 hp
62.7 kW
Belt fuel use (max)6.3 gal/hour
23.8 l/hour
Drawbar performance
Max power61.46 hp
45.8 kW
Fuel use5.0 gal/hour
18.9 l/hour
Gear 3 used for power test.
Max pull12629 lbs
5728 kg
Gear 1 used for pull test.
Page information
Contact: Peter Easterlund
Updated on July 5, 2022
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