international harvester 766

1971 - 1976

66 Series

Row-Crop tractor

66 Series

Row-Crop tractor

NTTL 1094: gasoline Torque Amplifier 2WD

NTTL 1117: diesel Torque Amplifier 2WD

Gasoline Torque Amplifier 2WD 4/20/1972 Link: Nebraska Tractor Test 1094 file

PTO performance

Power at rated engine speed

79.73 hp 59.5 kW

Fuel use

7.1 gal/hour 26.9 l/hour

Power at rated PTO speed

73.96 hp 55.2 kW

Fuel use

6.3 gal/hour 23.8 l/hour

Drawbar performance

Max power

71.32 hp 53.2 kW

Fuel use

7.3 gal/hour 27.6 l/hour

Gear 1-Hi-TA used for power test.

Max pull

8,841 lbs 4010 kg

Gear 2-Lo-Direct used for pull test.

Diesel Torque Amplifier 2WD November 10 - December 5, 1972 Link: Nebraska Tractor Test 1117 file

PTO performance

Power at rated engine speed

85.45 hp 63.7 kW

Fuel use

6.2 gal/hour 23.5 l/hour

Power at rated PTO speed

85.66 hp 63.9 kW

Fuel use

5.8 gal/hour 22.0 l/hour

Drawbar performance

Max power

73.37 hp 54.7 kW

Fuel use

6.1 gal/hour 23.1 l/hour

Gear 1-Hi-TA used for power test.

Max pull

9,236 lbs 4189 kg

Gear 2-Lo-Direct used for pull test.