Ford 681 Tests
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| Tractor Tests | |
| NTTL 702: gasoline Select-O-Speed 2WD | |
| NTTL 704: LP-gas Select-O-Speed 2WD | |
| NTTL 706: diesel Select-O-Speed 2WD |
| Nebraska Tractor Test 702 | |||
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| Nebraska Tractor Test 702 | |
| Gasoline Select-O-Speed 2WD June 11 - 20, 1959 Link: Nebraska Tractor Test 702 file | |
| PTO performance | |
| Power at rated engine speed | 34.33 hp 25.6 kW |
| Fuel use | 3.1 gal/hour 11.7 l/hour |
| Power at rated PTO speed | 28.29 hp 21.1 kW |
| Fuel use | 2.6 gal/hour 9.8 l/hour |
| Drawbar performance | |
| Max power | 26.81 hp 20.0 kW |
| Fuel use | 2.8 gal/hour 10.6 l/hour |
| Gear 6 used for power test. | |
| Max pull | 4,109 lbs 1863 kg |
| Gear 4 used for pull test. | |
| Nebraska Tractor Test 704 | |||
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| Nebraska Tractor Test 704 | |
| LP-gas Select-O-Speed 2WD June 18 - 25, 1959 Link: Nebraska Tractor Test 704 file | |
| PTO performance | |
| Power at rated engine speed | 32.57 hp 24.3 kW |
| Fuel use | 4.0 gal/hour 15.1 l/hour |
| Power at rated PTO speed | 27.00 hp 20.1 kW |
| Fuel use | 3.2 gal/hour 12.1 l/hour |
| Drawbar performance | |
| Max power | 25.52 hp 19.0 kW |
| Fuel use | 3.6 gal/hour 13.6 l/hour |
| Gear 6 used for power test. | |
| Max pull | 4,189 lbs 1900 kg |
| Gear 4 used for pull test. | |
| Nebraska Tractor Test 706 | |||
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| Nebraska Tractor Test 706 | |
| Diesel Select-O-Speed 2WD June 20 - 26, 1959 Link: Nebraska Tractor Test 706 file | |
| PTO performance | |
| Power at rated engine speed | 31.56 hp 23.5 kW |
| Fuel use | 2.4 gal/hour 9.1 l/hour |
| Power at rated PTO speed | 26.30 hp 19.6 kW |
| Fuel use | 1.9 gal/hour 7.2 l/hour |
| Drawbar performance | |
| Max power | 25.52 hp 19.0 kW |
| Fuel use | 2.2 gal/hour 8.3 l/hour |
| Gear 6 used for power test. | |
| Max pull | 4,179 lbs 1895 kg |
| Gear 4 used for pull test. | |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on May 16, 2022 |