| Engine Detail | |
| Onan B43M | |
| gasoline | |
| 2-cylinder | |
| air-cooled horizontal-shaft opposed-twin | |
| Displacement | 709 cc 43.3 ci  | 
| Bore/Stroke | 3.25x2.62 inches 83 x 67 mm  | 
| Power (gross) | 16 hp 11.9 kW  | 
| Compression | 6.2:1 | 
| Idle RPM | 1800-3650 | 
| Starter | electric | 
| Starter volts | 12 | 
| Sparkplug gap | 0.025 inches 0.635 mm  | 
| Point gap | 0.025 inches 0.635 mm  | 
| Intake valve clearance | 0.005 inches (cold) 0.127 mm  | 
| Exhaust valve clearance | 0.013 inches (cold) 0.330 mm  | 
| Engine Oil | |
 
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| Page information | |
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| Email: Peter@TractorData.com | |
| Updated on April 28, 2025 |