Caterpillar D2 Tests
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| Tractor Tests | |
| NTTL 322: 251 diesel 5-speed crawler | |
| NTTL 418: 252 diesel 5-speed crawler | |
| NTTL 553: 252 diesel 5-speed crawler |
| Nebraska Tractor Test 322 | |||
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| Nebraska Tractor Test 322 | |
| 251 diesel 5-speed crawler July 24 - August 4, 1939 Link: Nebraska Tractor Test 322 file | |
| Belt power (max) | 30 hp 22.4 kW |
| PTO performance | |
| Power at rated engine speed | 27.5 hp 20.5 kW |
| Fuel use | 2.1 gal/hour 7.9 l/hour |
| Drawbar performance | |
| Max power | 25.2 hp 18.8 kW |
| Gear 1 used for power test. | |
| Max pull | 5,903 lbs 2677 kg |
| Nebraska Tractor Test 418 | |||
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| Nebraska Tractor Test 418 | |
| 252 diesel 5-speed crawler July 11 - 26, 1949 Link: Nebraska Tractor Test 418 file | |
| Belt power (max) | 36.02 hp 26.9 kW |
| PTO performance | |
| Power at rated engine speed | 32.9 hp 24.5 kW |
| Fuel use | 2.4 gal/hour 9.1 l/hour |
| Drawbar performance | |
| Max power | 30.31 hp 22.6 kW |
| Gear 2 used for power test. | |
| Max pull | 6,778 lbs 3074 kg |
| Gear 1 used for pull test. | |
| Nebraska Tractor Test 553 | |||
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| Nebraska Tractor Test 553 | |
| 252 diesel 5-speed crawler July 25 - 30, 1955 Link: Nebraska Tractor Test 553 file | |
| Belt power (max) | 41.86 hp 31.2 kW |
| PTO performance | |
| Power at rated engine speed | 29 hp 21.6 kW |
| Fuel use | 2.7 gal/hour 10.2 l/hour |
| Drawbar performance | |
| Max power | 36.62 hp 27.3 kW |
| Gear 2 used for power test. | |
| Max pull | 7,413 lbs 3362 kg |
| Gear 1 used for pull test. | |
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on February 23, 2024 |