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*
*Estimated engine power for comparison only.
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
Peter Easterlund - owner of TractorData.com
Copyright 2024 TractorData.com®
TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999.
Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on July 5, 2022
©2000-2024 - TractorData.com®. Notice: Every attempt is made to ensure the data listed is accurate. However, differences between sources, incomplete listings, errors, and data entry mistakes do occur. Consult official literature from the manufacturer before attempting any service or repair.