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- For farmers, craftsmen, and landscape maintenance professionals, the STIHL MS 391 combines high cutting capacity with comfort
- The main applications are firewood cutting, landscape care, and construction timber cutting
- The STIHL MS 391 stands out with a power output of 3.3 kW (4.5 hp) and achieves an optimal power-to-weight ratio of 1.9 kg/kW
- The chainsaw is powered by a powerful and economical STIHL 2-MIX engine. To start the chainsaw with minimal effort, the STIHL MS 391 is equipped with a decompression valve that significantly reduces the force needed to pull the starter rope
- Other features of the chainsaw include: An adjustable oil pump for oil delivery tailored to your needs. This allows you to optimize lubrication for very long guide bars or very dry wood and reduce oil consumption in other cases. The STIHL Ematic system ensures that every drop of oil reaches exactly where it is needed. The pre-separation removes larger dirt particles, thus easing the load on the actual filter. If you upgrade your MS 391 with an HD2 air filter, you will have a long-lasting air filtration system that allows you to work longer without interruptions and reduces the number of filter cleanings
45 cm bar and chain included
LIGHT 04 45 cm 3/8 P 1.6 mm 66-link chainsaw bar
RM 45 cm 3/8 P 1.6 mm 66-link chainsaw chain
50 cm bar and chain included
LIGHT 04 50 cm 3/8 P 1.6 mm 72-link chainsaw bar
RM 50 cm 3/8 P 1.6 mm 72-Link Chainsaw Chain
TECHNICAL DATA
Displacement: 64.1 cm³
Pitch: 3/8"
Weight: 6.3 kg (without fuel, bar, and chain)
Power-to-weight ratio: 1.9 kg/kW
Recommended cutting length: 45 cm
Sound pressure level: 105 dB(A)
Sound power level: 115 dB(A)
Vibration value left: 4.0 m/s²
Vibration value right: 4.0 m/s²
Power: 3.3/4.5 kW/HP
EQUIPMENT
Long-life air filter with pre-filtration
This innovative system significantly extends the filter's lifespan. Thanks to the pre-filtration, it removes coarser dirt particles, reducing the workload on the actual filter. The chainsaw can operate longer without needing filter cleaning compared to a chainsaw without this type of filter.
Adjustable flow oil pump
Different cutting lengths, wood types, and working techniques require varying amounts of oil. The adjustable flow oil pump allows precise regulation of the oil flow according to needs. It is possible to reduce the supplied oil quantity by up to 50%.
Compensator
Allows a constant fuel-air mixture even when the air filter becomes dirtier
QuickStop Chain Brake (Q)
Special precisely positioned damping zones reduce the transmission of vibrations from the engine and chain to the handle and grip
Ematic Chain Lubrication System
Depending on the type of guide bar and wood, the STIHL Ematic system reduces chain oil consumption by up to 50%. It consists of an Ematic guide bar, Oilomatic chain, and an adjustable low-flow oil pump. This ensures the lubricant is delivered precisely and with minimal loss exactly where it is needed.
Anti-vibration System
Special precisely positioned damping zones reduce the transmission of vibrations from the engine and chain to the handle and grip
Tool-free Fuel Cap
Special caps for the fuel tank and oil tank allow easy opening and closing without difficulty
Side Chain Tensioner
The chain is tensioned laterally via the sprocket.
Any contact between the operator's hand and the cutting chain is thus avoided
Single-lever control
All functions such as starting, operation, and stopping can be controlled with one hand
Decompression valve
The decompression system automatically opens the intake valve. This absorbs pressure peaks and reduces the amount of force needed on the starter rope
Accessories View all
Stihl Air filter for chainsaws MS 231, MS 231 C-BE, MS 251 C-BE, MS 251, MS 271, MS 271 C-BE, MS 291, MS 291 C-BE, MS 311, MS 391 - Stihl
Code: 11411201600
Stihl 3/8" 7d Chain Sprocket for MS 311, MS 391 Chainsaw - Stihl
Code: 11406402000
Stihl HD2 Air Filter for Chainsaw MS 241 C-M, MS 261 C-M, MS 271, MS 291, MS 311, MS 362 C-M, MS 391, MS 400 C-M - Stihl
Code: 11411404400
