| Engine options | |
| Hart-Parr 4.6L 2-cyl gasoline | |
| Hart-Parr 5.1L 2-cyl |
| Engine Detail | |
| Hart-Parr | |
| gasoline | |
| 2-cylinder | |
| liquid-cooled | |
| Displacement | 281.4 ci 4.6 L |
| Bore/Stroke | 5.25x6.50 inches 133 x 165 mm |
| Rated RPM | 800 |
| Engine Detail | |
| Hart-Parr | |
| 2-cylinder | |
| liquid-cooled | |
| The larger engine was used in the model 20C beginning at tractor serial number 35501. | |
| Displacement | 309 ci 5.1 L |
| Bore/Stroke | 5.50x6.50 inches 140 x 165 mm |
| 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 December 5, 2020 |