international harvester 1066

1971 - 1976

66 Series

Row-Crop tractor

66 Series

Row-Crop tractor

NTTL 1081: diesel Torque Amplifier 2WD

NTTL 1083: diesel hydrostatic 2WD

NTTL 1124: diesel gear 2WD

Diesel Torque Amplifier 2WD October 1 - 21, 1971 Link: Nebraska Tractor Test 1081 file

PTO performance

Power at rated engine speed

116.23 hp 86.7 kW

Fuel use

7.7 gal/hour 29.1 l/hour

Power at rated PTO speed

112.18 hp 83.7 kW

Fuel use

6.8 gal/hour 25.7 l/hour

Drawbar performance

Max power

100.5 hp 74.9 kW

Fuel use

7.6 gal/hour 28.8 l/hour

Gear 1-Hi-TA used for power test.

Max pull

11625 lbs 5273 kg

Gear 3-Lo-TA used for pull test.

Diesel hydrostatic 2WD October 7 - 25, 1971 Link: Nebraska Tractor Test 1083 file

PTO performance

Power at rated engine speed

113.58 hp 84.7 kW

Fuel use

7.9 gal/hour 29.9 l/hour

Power at rated PTO speed

109.32 hp 81.5 kW

Fuel use

7.0 gal/hour 26.5 l/hour

Drawbar performance

Max power

84.88 hp 63.3 kW

Fuel use

8.0 gal/hour 30.3 l/hour

Gear 5.4 MPH used for power test.

Max pull

9576 lbs 4343 kg

Gear 3.1 MPH used for pull test.

Diesel gear 2WD April 17 - 27, 1973 Link: Nebraska Tractor Test 1124 file

PTO performance

Power at rated engine speed

125.68 hp 93.7 kW

Fuel use

8.4 gal/hour 31.8 l/hour

Power at rated PTO speed

119.2 hp 88.9 kW

Fuel use

7.3 gal/hour 27.6 l/hour

Drawbar performance

Max power

105.95 hp 79.0 kW

Fuel use

8.3 gal/hour 31.4 l/hour

Gear 1-Hi-TA used for power test.

Max pull

13000 lbs 5896 kg

Gear 2-Lo-Direct used for pull test.