Ford 841 Powermaster Tests
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| Tractor Tests | |
| NTTL 639: LP gas 12-speed 2WD | |
| NTTL 641: gasoline 12-speed 2WD | |
| NTTL 653: diesel 12-speed 2WD |
| Nebraska Tractor Test 639 | |||
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| Nebraska Tractor Test 639 | |
| LP gas 12-speed 2WD March 12 - 31, 1958 Link: Nebraska Tractor Test 639 file | |
| Belt power (max) | 41.97 hp 31.3 kW |
| Belt fuel use (max) | 5.0 gal/hour 18.9 l/hour |
| Drawbar performance | |
| Max power | 40.32 hp 30.1 kW |
| Gear 5 used for power test. | |
| Max pull | 4,638 lbs 2103 kg |
| Gear 2 used for pull test. | |
| Nebraska Tractor Test 641 | |||
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| Nebraska Tractor Test 641 | |
| Gasoline 12-speed 2WD March 14 - 31, 1958 Link: Nebraska Tractor Test 641 file | |
| Belt power (max) | 44.71 hp 33.3 kW |
| Belt fuel use (max) | 4.2 gal/hour 15.9 l/hour |
| Drawbar performance | |
| Max power | 41.44 hp 30.9 kW |
| Gear 5 used for power test. | |
| Max pull | 4,637 lbs 2103 kg |
| Gear 2 used for pull test. | |
| Nebraska Tractor Test 653 | |||
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| Nebraska Tractor Test 653 | |
| Diesel 12-speed 2WD June 2 - 10, 1958 Link: Nebraska Tractor Test 653 file | |
| Belt power (max) | 39.99 hp 29.8 kW |
| Belt fuel use (max) | 2.8 gal/hour 10.6 l/hour |
| Drawbar performance | |
| Max power | 36.79 hp 27.4 kW |
| Gear 3 used for power test. | |
| Max pull | 4,705 lbs 2134 kg |
| Gear 1 used for pull test. | |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on February 9, 2023 |