| Engine Detail | |
| Wisconsin S8D | |
| gasoline | |
| 1-cylinder | |
| air-cooled horizontal-shaft | |
| Displacement | 331 cc 20.2 ci |
| Bore/Stroke | 3.125x2.625 inches 79 x 67 mm |
| Power | 8.25 hp 6.2 kW |
| Rated RPM | 3600 |
| Starter | electric |
| Starter volts | 12 |
| Oil capacity | 2 qts 1.9 L |
| Bolens 900 Engine | |
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| Image courtesy of Paul Fortin |
| 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 August 26, 2025 |