| Engine Detail | |
| Kohler CH20S | |
| gasoline | |
| 2-cylinder | |
| air-cooled horizontal-shaft V-twin | |
| Displacement | 624 cc 38.1 ci  | 
| Bore/Stroke | 3.03x2.64 inches 77 x 67 mm  | 
| Power (gross) | 20 hp 14.9 kW  | 
| Compression | 8.5:1 | 
| Rated RPM | 3350 | 
| Idle RPM | 1400-3600 | 
| Starter | electric | 
| Starter volts | 12 | 
| Oil capacity | 2 qts 1.9 L  | 
| Sparkplug | Champion RC12YC | 
| 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 15, 2025 |