| Tractor Tests | |
| NTTL 657: LP gas 6-speed 2WD | |
| NTTL 659: gasoline 6-speed 2WD | |
| NTTL 745: 203 diesel 6-speed 2WD | |
| NTTL 808: 203 diesel 12-speed 2WD | 
| Nebraska Tractor Test 657 | |||
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| Nebraska Tractor Test 657 | |
| LP gas 6-speed 2WD June 16 - 27, 1958 Link: Nebraska Tractor Test 657 file | |
| Belt power (max) | 42.6 hp 31.8 kW | 
| Belt fuel use (max) | 5.2 gal/hour 19.7 l/hour | 
| PTO performance | |
| Power at rated engine speed | 38.15 hp 28.4 kW | 
| Fuel use | 5.0 gal/hour 18.9 l/hour | 
| Drawbar performance | |
| Max power | 31.24 hp 23.3 kW | 
| Fuel use | 4.7 gal/hour 17.8 l/hour | 
| Gear 4 used for power test. | |
| Max pull | 6,832 lbs 3098 kg | 
| Gear 2 used for pull test. | |
| Nebraska Tractor Test 659 | |||
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| Nebraska Tractor Test 659 | |
| Gasoline 6-speed 2WD June 16 - 27, 1958 Link: Nebraska Tractor Test 659 file | |
| Belt power (max) | 43.98 hp 32.8 kW | 
| Belt fuel use (max) | 3.9 gal/hour 14.8 l/hour | 
| PTO performance | |
| Power at rated engine speed | 40.76 hp 30.4 kW | 
| Fuel use | 3.9 gal/hour 14.8 l/hour | 
| Drawbar performance | |
| Max power | 32.63 hp 24.3 kW | 
| Fuel use | 3.8 gal/hour 14.4 l/hour | 
| Gear 4 used for power test. | |
| Nebraska Tractor Test 745 | |||
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| Nebraska Tractor Test 745 | |
| 203 diesel 6-speed 2WD May 16 - 24, 1960 Link: Nebraska Tractor Test 745 file | |
| PTO performance | |
| Power at rated engine speed | 48.59 hp 36.2 kW | 
| Fuel use | 3.1 gal/hour 11.7 l/hour | 
| Power at rated PTO speed | 39.67 hp 29.6 kW | 
| Fuel use | 2.4 gal/hour 9.1 l/hour | 
| Drawbar performance | |
| Max power | 42.13 hp 31.4 kW | 
| Fuel use | 3.1 gal/hour 11.7 l/hour | 
| Gear 4 used for power test. | |
| Nebraska Tractor Test 808 | |||
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| Nebraska Tractor Test 808 | |
| 203 diesel 12-speed 2WD October 24 - November 3, 1961 Link: Nebraska Tractor Test 808 file | |
| PTO performance | |
| Power at rated engine speed | 50.98 hp 38.0 kW | 
| Fuel use | 3.1 gal/hour 11.7 l/hour | 
| Power at rated PTO speed | 42.67 hp 31.8 kW | 
| Fuel use | 2.5 gal/hour 9.5 l/hour | 
| Drawbar performance | |
| Max power | 43.95 hp 32.8 kW | 
| Fuel use | 3.2 gal/hour 12.1 l/hour | 
| Gear 7 used for power test. | |
| Max pull | 7029 lbs 3188 kg | 
| Gear 3 used for pull test. | |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on December 5, 2023 |