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Chainsaw Details
Brand, model and your rating.
| Manufacturer | Stihl |
| Model | MS 391 |
| Class | Farmowner |
| Your Rating | |
| Warranty homeowner | 365 days |
| Warranty commercial | 90 days |
Engine Specs
Power, displacement and type of fuel of the Stihl MS 391 chainsaw.
| Fuel type | Gas |
| Fuel oil ratio | 50:1 |
| Weight | ~6.2 kg ~13.67 lbs |
| Engine | Stihl 2-Mix |
| Power | 4.5 hp 3.36 kW |
| Displacement | 64.1 cm³ 3.91 in³ |
| Torque | Nm |
| Idle speed | 2800 RPM |
| Max speed | 13000 RPM |
| Spark plug | Bosch WSR6F, NGK BPMR7A |
| Spark plug gap | 0.5 mm 0.02 in |
Chain and Bar Specs
Detailed chain and bar specifications...
| Bar length | 45.72 cm 18 in |
| Min bar length | 40.64 cm 16 in |
| Max bar length | 50.8 cm 20 in |
| Chain | Rapid Micro (RM) |
| Pitch | 3/8" |
| Gauge | 1.6 mm 0.06 in |
| Sprocket | Spur 7 Tooth |
Other Specifications
Fuel consumption, noise and liquid capacities.
| Fuel consumption | 1.779 l/hr 0.47 gal/hr |
| Fuel capacity | 0.6 l 20.29 fl oz |
| Oil tank capacity | 0.35 l 11.83 fl oz |
| Noise (ear level) | 105 dB(A) |
| Vibration front | 4 m/s² |
| Vibration rear | 4 m/s² |
Manufacturer support
Satisfaction is (not)guaranteed.
| Manufacturer URL | https://www.stihl.com/ |
| User manual | Download - External link |
Video Review / Different Opinion
Adittional look and feel of the chainsaw.