R4 by Caterpillar
1938 - 1944
Production
Caterpillar R4 Power
23.0 kW
27.1 kW
1938 - 1944
| 1938 - 1944 |
| Agricultural Crawler tractor |
Nebraska Tractor Test 272
| Nebraska Tractor Test 272 | |||
| | |||
Nebraska Tractor Test 272
| Nebraska Tractor Test 272 | |
| 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. | |
Caterpillar R4 Engine
1938 - 1944
| 1938 - 1944 |
| Agricultural Crawler tractor |
Engine Detail
| Engine Detail | |
| Caterpillar | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled | |
| Displacement: | 461 ci 7.6 L |
| Bore/Stroke: | 4.75x6.50 inches 121 x 165 mm |
| Rated RPM: | 1400 |
Mechanical
1938 - 1944
| 1938 - 1944 |
| Agricultural Crawler tractor |
Transmission
| Transmission | |
| Type: | gear |
| Gears: | 5 forward and 1 reverse |
Speeds
| Speeds | |
Dimensions & Tracks
1938 - 1944
| 1938 - 1944 |
| Agricultural Crawler tractor |
Caterpillar R4 Tracks
| Caterpillar R4 Tracks | |
| Size: | 44-inch tracks |
| 60-inch tracks | |
Dimensions
| Dimensions |
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