International Harvester 666 Tests
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| 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 | |||
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| 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 | |||
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| 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 | |||
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| 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 | |||
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| 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 |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on February 6, 2024 |