J.I. Case R
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| Production | |
| Manufacturer | J.I. Case |
| Standard-tread tractor | |
| Original price | $892 |
| J.I. Case R Engine | |
| Waukesha 2.2L 4-cyl gasoline | |
 Engine details ... |
| J.I. Case R Transmissions | |
| 3-speed gear | |
| 4-speed gear | |
 Transmission details ... |
| J.I. Case R Power | |
| Drawbar (claimed) | 14 hp 10.4 kW |
| PTO (claimed) | 18 hp 13.4 kW |
| Plows | 2 |
| Drawbar (tested) | 18.23 hp 13.6 kW |
| Belt (tested) | 20.52 hp 15.3 kW |
 Performance test details ... | |
| Mechanical | |
| Two-wheel drive | |
| Open operator station. |
| Photos | |
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 J.I. Case R photos... | |
| Power Take-off (PTO) | |
| Rear PTO Type | 540 (1.125) |
| Dimensions & Tires | |
| Weight | 4150 lbs 1882 kg |
| Front tire | 5.00-15 |
| Rear tire | 9.00-24 |
 Full dimensions and tires ... | |
| R Serial Numbers | |
| Location: | Plate near instrument panel |
| 1936 | 3xx9xx |
| 1937 | 4xx0xx |
| 1938 | 4200001 |
| 1939 | 4300001 |
| 1940 | 4400001 |
FAQ: How to read a serial number table. | |
| Belt Pulley | |
| Diameter | 10.1 inches 25 cm |
| Width | 6.25 inches 15 cm |
| RPM | 991 |
| Speed | 2600 ft/min 792.48 meters/min |
| References | |
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| RC and R Tractors published in 1938, by J.I. Case |
| Page information | |
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| Email me: Peter@TractorData.com | |
| TractorData is a family-owned small business located in Minnesota. I have been researching tractor history and providing specifications for free since 1999. | |
| Peter Easterlund - owner/author | |
| This machine's data modified on November 8, 2025 |