| Tractor Tests | |
| NTTL 955: 310 diesel Torque Amplifier 2WD | |
| NTTL 956: 291 LP gas Torque Amplifier 2WD | |
| NTTL 957: 291 gas Torque Amplifier 2WD | 
| Nebraska Tractor Test 955 | |||
| 
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| Nebraska Tractor Test 955 | |
| 310 diesel Torque Amplifier 2WD November 14 - 28, 1966 Link: Nebraska Tractor Test 955 file | |
| PTO performance | |
| Power at rated engine speed | 76.09 hp 56.7 kW | 
| Fuel use | 5.0 gal/hour 18.9 l/hour | 
| Power at rated PTO speed | 71.84 hp 53.6 kW | 
| Fuel use | 4.7 gal/hour 17.8 l/hour | 
| Drawbar performance | |
| Max power | 67.46 hp 50.3 kW | 
| Fuel use | 5.0 gal/hour 18.9 l/hour | 
| Gear 1-High-Direct used for power test. | |
| Max pull | 8,416 lbs 3817 kg | 
| Gear 3-Low-TA used for pull test. | |
| Nebraska Tractor Test 956 | |||
| 
 | |||
| Nebraska Tractor Test 956 | |
| 291 LP gas Torque Amplifier 2WD November 14 - 28, 1966 Link: Nebraska Tractor Test 956 file | |
| PTO performance | |
| Power at rated engine speed | 76.3 hp 56.9 kW | 
| Fuel use | 8.4 gal/hour 31.8 l/hour | 
| Power at rated PTO speed | 70.98 hp 52.9 kW | 
| Fuel use | 7.6 gal/hour 28.8 l/hour | 
| Drawbar performance | |
| Max power | 66.53 hp 49.6 kW | 
| Fuel use | 8.3 gal/hour 31.4 l/hour | 
| Gear 1-High-Direct used for power test. | |
| Max pull | 8,387 lbs 3804 kg | 
| Gear 3-Lo-TA used for pull test. | |
| Nebraska Tractor Test 957 | |||
| 
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| Nebraska Tractor Test 957 | |
| 291 gas Torque Amplifier 2WD November 16 - 28, 1966 Link: Nebraska Tractor Test 957 file | |
| PTO performance | |
| Power at rated engine speed | 76.56 hp 57.1 kW | 
| Fuel use | 6.3 gal/hour 23.8 l/hour | 
| Power at rated PTO speed | 71.8 hp 53.5 kW | 
| Fuel use | 5.8 gal/hour 22.0 l/hour | 
| Drawbar performance | |
| Max power | 65.67 hp 49.0 kW | 
| Fuel use | 6.3 gal/hour 23.8 l/hour | 
| Gear 1-High-DD used for power test. | |
| Max pull | 8,387 lbs 3804 kg | 
| Gear 3-Low-TA used for pull test. | |
| Page information | |
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| Email: Peter@TractorData.com | |
| Updated on August 31, 2023 |