- Specifications
| Model | 3854 |
| Power (@3600rpm)* | 21HP |
| Displacement (cc) | 627 |
| Bore (mm) | 75.5 |
| Stroke (mm) | 70 |
| Weight (kg) | 35 |
| Oil Capacity | 1.7 |
| Cylinders | 2 Cast Iron Sleeves |
| Air Cleaner | Dual Clean™ |
| Lubrication | Full Pressure |
| Shaft | Horizontal and Vertical |
| * All power levels are stated gross horsepower per SAE J1940 as rated by Briggs & Stratton | |
