Oliver 660 Tests


Oliver 660 tractor photo
1959 - 1964
Row-Crop tractor
Series map:
550
660
770
46.0hp*
45.6hp*
52.2hp*
*Estimated engine power for comparison only.
Tractor Tests
NTTL 541: gasoline 6-speed 2WD
NTTL 544: diesel 6-speed 2WD
Nebraska Tractor Test 541
660 fuel use from test 541
Nebraska Tractor Test 541
Gasoline 6-speed 2WD
May 16 - 19, 1955
Link: Nebraska Tractor Test 541 file
Belt power (max)33.62 hp
25.1 kW
Belt fuel use (max)3.1 gal/hour
11.7 l/hour
Drawbar performance
Max power27.99 hp
20.9 kW
Gear 4 used for power test.
Max pull4,309 lbs
1954 kg
Gear 1 used for pull test.
Nebraska Tractor Test 544
660 fuel use from test 544
Nebraska Tractor Test 544
Diesel 6-speed 2WD
May 19 - 26, 1955
Link: Nebraska Tractor Test 544 file
Belt power (max)33.69 hp
25.1 kW
Belt fuel use (max)2.4 gal/hour
9.1 l/hour
Drawbar performance
Max power27.48 hp
20.5 kW
Gear 4 used for power test.
Max pull4,393 lbs
1992 kg
Gear 1 used for pull test.
Page information
Peter Easterlund - owner of TractorData.com
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Peter Easterlund - owner/author
Email: Peter@TractorData.com
Updated on January 25, 2023
©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.