Tractors > Oliver > 660

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
Contact: Peter Easterlund
Updated on January 25, 2023
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