International Harvester 666 Tests


International Harvester 666 tractor photo
1972 - 1976
Row-Crop tractor
Series map:
666
75.0hp
Tractor Tests
NTTL 1151: 312 diesel Torque Amplifier 2WD
NTTL 1152: gasoline Torque Amplifier 2WD
NTTL 1154: gasoline hydrostatic 2WD
NTTL 1155: diesel hydrostatic 2WD
Nebraska Tractor Test 1151
666 fuel use from test 1151
Nebraska Tractor Test 1151
312 diesel Torque Amplifier 2WD
November 3 - 14, 1973
Link: Nebraska Tractor Test 1151 file
PTO performance
Power at rated engine speed66.29 hp
49.4 kW
Fuel use4.7 gal/hour
17.8 l/hour
Drawbar performance
Max power58.01 hp
43.3 kW
Fuel use4.6 gal/hour
17.4 l/hour
Gear 3-Direct used for power test.
Max pull8,012 lbs
3634 kg
Gear 2-TA used for pull test.
Nebraska Tractor Test 1152
666 fuel use from test 1152
Nebraska Tractor Test 1152
Gasoline Torque Amplifier 2WD
November 5 - December 3, 1973
Link: Nebraska Tractor Test 1152 file
PTO performance
Power at rated engine speed66.30 hp
49.4 kW
Fuel use12.0 gal/hour
45.4 l/hour
Drawbar performance
Max power57.29 hp
42.7 kW
Fuel use5.7 gal/hour
21.6 l/hour
Gear 3-Direct used for power test.
Max pull7,981 lbs
3620 kg
Gear 2-TA used for pull test.
Nebraska Tractor Test 1154
666 fuel use from test 1154
Nebraska Tractor Test 1154
Gasoline hydrostatic 2WD
November 14 - December 3, 1973
Link: Nebraska Tractor Test 1154 file
PTO performance
Power at rated engine speed69.61 hp
51.9 kW
Fuel use6.9 gal/hour
26.1 l/hour
Power at rated PTO speed64.10 hp
47.8 kW
Fuel use5.8 gal/hour
22.0 l/hour
Drawbar performance
Max power53.86 hp
40.2 kW
Fuel use7.7 gal/hour
29.1 l/hour
Max pull8,427 lbs
3822 kg
Nebraska Tractor Test 1155
666 fuel use from test 1155
Nebraska Tractor Test 1155
Diesel hydrostatic 2WD
November 14 - December 3, 1973
Link: Nebraska Tractor Test 1155 file
PTO performance
Power at rated engine speed69.51 hp
51.8 kW
Fuel use5.6 gal/hour
21.2 l/hour
Power at rated PTO speed65.41 hp
48.8 kW
Fuel use5.3 gal/hour
20.1 l/hour
Drawbar performance
Max power53.10 hp
39.6 kW
Fuel use5.6 gal/hour
21.2 l/hour
Max pull8,310 lbs
3769 kg
Page information
Peter Easterlund - owner of TractorData.com
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Updated on February 6, 2024
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