| Engine options | |
| Hercules 2.2L 4-cyl gasoline | |
| Hercules 1.9L 4-cyl gasoline | |
| Hercules 2.0L 4-cyl gasoline |
| Engine Detail | |
| Hercules IXB3 | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled vertical L-head | |
| Final engine, used from 1950 on. | |
| Displacement | 133 ci 2.2 L |
| Bore/Stroke | 3.25x4.00 inches 83 x 102 mm |
| Air cleaner | Vortox |
| Compression | 6.67:1 |
| Rated RPM | 1700 |
| Starter volts | 6 |
| Coolant capacity | 12 qts (original) 11.4 L |
|   | 11 qts (late) 10.4 L |
| Engine Detail | |
| Hercules IXA3 | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled | |
| Original engine, used from 1939 to late 1940 | |
| Displacement | 113.1 ci 1.9 L |
| Bore/Stroke | 3.00x4.00 inches 76 x 102 mm |
| Rated RPM | 1400 |
| Engine Detail | |
| Hercules IXK | |
| gasoline | |
| 4-cylinder | |
| liquid-cooled | |
| Second engine, used from late 1940 to 1950. | |
| Displacement | 122.3 ci 2.0 L |
| Bore/Stroke | 3.125x4.00 inches 79 x 102 mm |
| Rated RPM | 1700 |
| Coolant capacity | 11 qts 10.4 L |
| Engine Oil | |
| |
| Oil capacity | 5 qts 4.7 L |
| Cletrac HG Engine | |
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| 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 February 22, 2023 |