international harvester 666

International Harvester 666 tractor photo
1972 - 1976 Row-Crop tractor
1972 - 1976
Row-Crop tractor
1972 - 1976
Row-Crop tractor
1972 - 1976
Row-Crop tractor
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
666 fuel use from test 1151
666 fuel use from 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 speed
66.29 hp 49.4 kW
Fuel use
4.7 gal/hour 17.8 l/hour
Drawbar performance
Max power
58.01 hp 43.3 kW
Fuel use
4.6 gal/hour 17.4 l/hour
Gear 3-Direct used for power test.
Max pull
8,012 lbs 3634 kg
Gear 2-TA used for pull test.
Nebraska Tractor Test 1152
666 fuel use from test 1152
666 fuel use from test 1152
666 fuel use from 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 speed
66.30 hp 49.4 kW
Fuel use
12.0 gal/hour 45.4 l/hour
Drawbar performance
Max power
57.29 hp 42.7 kW
Fuel use
5.7 gal/hour 21.6 l/hour
Gear 3-Direct used for power test.
Max pull
7,981 lbs 3620 kg
Gear 2-TA used for pull test.
Nebraska Tractor Test 1154
666 fuel use from test 1154
666 fuel use from test 1154
666 fuel use from 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 speed
69.61 hp 51.9 kW
Fuel use
6.9 gal/hour 26.1 l/hour
Power at rated PTO speed
64.10 hp 47.8 kW
Fuel use
5.8 gal/hour 22.0 l/hour
Drawbar performance
Max power
53.86 hp 40.2 kW
Fuel use
7.7 gal/hour 29.1 l/hour
Max pull
8,427 lbs 3822 kg
Nebraska Tractor Test 1155
666 fuel use from test 1155
666 fuel use from test 1155
666 fuel use from 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 speed
69.51 hp 51.8 kW
Fuel use
5.6 gal/hour 21.2 l/hour
Power at rated PTO speed
65.41 hp 48.8 kW
Fuel use
5.3 gal/hour 20.1 l/hour
Drawbar performance
Max power
53.10 hp 39.6 kW
Fuel use
5.6 gal/hour 21.2 l/hour
Max pull
8,310 lbs 3769 kg

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