caterpillar r4
 | 1938 - 1944
Agricultural Crawler tractor | 1938 - 1944 | Agricultural Crawler tractor |
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1938 - 1944 | |||
Agricultural Crawler tractor | |||
1938 - 1944 | |
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Agricultural Crawler tractor |
Nebraska Tractor Test 272 | ||
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Nebraska Tractor Test 272 | |
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Distillate 5-speed crawler
October 13 - 24, 1936
Link: Nebraska Tractor Test 272 file | |
Belt power (max) | 36.37 hp
27.1 kW |
Drawbar performance | |
Max power | 30.88 hp
23.0 kW |
Gear 2 used for power test. | |
Max pull | 6120 lbs
2776 kg |
Gear 1 used for pull test. | |