international harvester 544

1968 - 1973

Utility tractor

Utility tractor

NTTL 983: diesel Torque Amplifier 2WD

NTTL 984: gasoline Torque Amplifier 2WD

NTTL 1007: gasoline hydrostatic 2WD

NTTL 1029: diesel hydrostatic 2WD

Diesel Torque Amplifier 2WD September 7 - 20, 1968 Link: Nebraska Tractor Test 983 file

PTO performance

Power at rated engine speed

52.95 hp 39.5 kW

Fuel use

3.3 gal/hour 12.5 l/hour

Power at rated PTO speed

49.66 hp 37.0 kW

Fuel use

3.0 gal/hour 11.4 l/hour

Drawbar performance

Max power

44.56 hp 33.2 kW

Fuel use

3.3 gal/hour 12.5 l/hour

Gear 3-Direct used for power test.

Max pull

6,528 lbs 2961 kg

Gear 2-TA used for pull test.

Gasoline Torque Amplifier 2WD September 7 - 20, 1968 Link: Nebraska Tractor Test 984 file

PTO performance

Power at rated engine speed

52.84 hp 39.4 kW

Fuel use

4.4 gal/hour 16.7 l/hour

Power at rated PTO speed

50.29 hp 37.5 kW

Fuel use

4.1 gal/hour 15.5 l/hour

Drawbar performance

Max power

44.74 hp 33.4 kW

Fuel use

4.4 gal/hour 16.7 l/hour

Gear 3-Direct used for power test.

Max pull

6,521 lbs 2957 kg

Gear 2-TA used for pull test.

Gasoline hydrostatic 2WD April 23 - May 5, 1969 Link: Nebraska Tractor Test 1007 file

PTO performance

Power at rated engine speed

53.87 hp 40.2 kW

Fuel use

5.5 gal/hour 20.8 l/hour

Power at rated PTO speed

49.11 hp 36.6 kW

Fuel use

4.8 gal/hour 18.2 l/hour

Drawbar performance

Max power

40.33 hp 30.1 kW

Fuel use

5.5 gal/hour 20.8 l/hour

Max pull

6,518 lbs 2956 kg

Diesel hydrostatic 2WD November 1 - 7, 1969 Link: Nebraska Tractor Test 1029 file

PTO performance

Power at rated engine speed

55.52 hp 41.4 kW

Fuel use

4.2 gal/hour 15.9 l/hour

Power at rated PTO speed

50.06 hp 37.3 kW

Fuel use

3.5 gal/hour 13.2 l/hour

Drawbar performance

Max power

41.58 hp 31.0 kW

Fuel use

4.2 gal/hour 15.9 l/hour

Max pull

6,579 lbs 2984 kg