J.I. Case 20-40 Engine
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| Engine options | |
| J.I. Case 12.4L 2-cyl kerosene | |
| J.I. Case 14.8L 2-cyl kerosene | |
| J.I. Case 17.7L 2-cyl kerosene |
| Engine Detail | |
| J.I. Case | |
| kerosene | |
| 2-cylinder | |
| liquid-cooled opposed-twin | |
| The original engine, was used on the first model 40 tractors produced in 1912. | |
| Displacement | 755 ci 12.4 L |
| Bore/Stroke | 7.75x8.00 inches 197 x 203 mm |
| Rated RPM | 450 |
| Starter type | hand-crank |
| Engine Detail | |
| J.I. Case | |
| kerosene | |
| 2-cylinder | |
| liquid-cooled opposed-twin | |
| The 8-inch bore engine replaced the original engine early in production, at the end of 1912. | |
| Displacement | 904 ci 14.8 L |
| Bore/Stroke | 8.00x9.00 inches 203 x 229 mm |
| Rated RPM | 475 |
| Starter type | hand-crank |
| Coolant capacity | 112 qts 106.0 L |
| Engine Detail | |
| J.I. Case | |
| kerosene | |
| 2-cylinder | |
| liquid-cooled | |
| The final, 8.75-inch bore, engine replaced the 8-inch around 1916. Case did not re-rate the horsepower of the tractor, despite a 20% increase in displacement. | |
| Displacement | 1082 ci 17.7 L |
| Bore/Stroke | 8.75x9.00 inches 222 x 229 mm |
| Rated RPM | 475 |
| Starter type | hand-crank |
| Page information | |
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| TractorData is a family-owned small business located in Minnesota that has been providing reference information on tractors since 1999. | |
| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on September 22, 2015 |