| Engine Detail | |
| Briggs & Stratton 31P777 | |
| gasoline | |
| 1-cylinder | |
| air-cooled | |
| Displacement | 501 cc 30.59 ci  | 
| Bore/Stroke | 3.563x3.062 inches 91 x 78 mm  | 
| Power (gross) | 18.5 hp 13.8 kW  | 
| Air cleaner | paper cartridge | 
| Starter | electric | 
| Starter volts | 12 | 
| Sparkplug | Champion RC12YC | 
| Sparkplug gap | 0.030 inches 0.762 mm  | 
| Engine Oil | |
 
 | |
| Oil capacity | 1.75 qts 1.7 L  | 
| Page information | |
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| Peter Easterlund - owner/author | |
| Email: Peter@TractorData.com | |
| Updated on January 5, 2011 |