STIHL MS 391 Petrol Chainsaw
SKU: MS 391
STIHL MS 391 Petrol Chainsaw
SKU: MS 391
Price range: £857.65 through £866.15
Categories:
The STIHL MS 391 Petrol Chainsaw is a powerful high-torque all-round chainsaw designed for demanding agricultural, estate and firewood applications. Delivering excellent cutting performance, reduced fuel consumption and enhanced user comfort, it is the ideal choice for users who regularly tackle larger timber and heavy-duty cutting tasks.
The STIHL MS 391 Petrol Chainsaw is a robust and powerful machine built for demanding agricultural, estate management and large-scale firewood processing work. Engineered to deliver strong cutting performance and impressive torque across a wide operating range, it is well suited to users who require a dependable saw for regular heavy-duty use.
Powered by STIHL’s advanced 2-MIX engine technology, the MS 391 combines high cutting performance with improved fuel efficiency and lower emissions. Compared to previous STIHL engines without 2-MIX technology, the MS 391 can reduce fuel consumption by up to 20% and emissions by up to 50%, helping reduce running costs while maintaining excellent productivity.
With its strong torque characteristics, the MS 391 performs exceptionally well when cutting larger timber, processing firewood and carrying out demanding land management tasks. The ample power output allows the saw to maintain cutting performance even under heavy loads, making it a popular choice with farmers, estate owners, professional firewood producers and landowners.
Designed with operator comfort in mind, the MS 391 features STIHL’s proven anti-vibration technology. This reduces vibration transfer to the handles, helping minimise fatigue and improve comfort during longer working sessions.
Whether you’re managing woodland, processing logs for firewood, maintaining agricultural land or undertaking general property maintenance, the STIHL MS 391 offers the ideal combination of power, reliability and user-friendly operation.
The MS 391 is available with either a 18″ (45cm) or 20″ (50cm) Guide Bar & Chain. Please select your preferred blade length from the dropdown menu.
Exterior design of STIHL guide bars are subject to change. Technical specifications remain the same.
Table of specifications
Displacement
64.1 cm³
Power
3.30 kW
Engine power
4.50 HP
CO2
653 g/kWh
Device weight without refuelling
6.3 kg 1)
System weight without refuelling
7.43 / 7.55 kg 2)
Power-to-weight ratio
1.9 kg/kW
Bar length
45cm / 18" - 50cm / 20"
Saw chain pitch
3/8 "
evice length with bumper spike
458 mm 1)
Sound pressure level
105 dB(A) 4)
Sound power level
115 dB(A) 4)
Vibration level, left
4 m/s² 5)
Vibration level, right
4 m/s² 5)
Technical Notes
1)
without guide bar and saw chain without guide bar and saw chain
2)
with guide bar and saw chain with guide bar and saw chain
3)
The actual cutting length is shorter than the specified bar length The actual cutting length is shorter than the specified bar length
4)
K-value according to Directive 2006/42/EC = 2.0 dB(A) K-value according to Directive 2006/42/EC = 2.0 dB(A)
5)
K-value according to RL 2006/42/EG = 2 m/s² K-value according to RL 2006/42/EG = 2 m/s² Features
features
Side-Mounted Chain Tensioning
The side-mounted chain tensioner allows fast and safe chain adjustment without working near the sharp chain.
Variable-Output Oil Pump
The controlled-delivery oil pump adjusts lubrication according to requirements.
Compensator System
The integrated compensator maintains fuel mixture quality as the air filter becomes dirty.
Tool-Free Fuel Caps
The fuel and oil tanks feature practical tool-free bayonet caps for quick and convenient refuelling.
STIHL Ematic Lubrication System
The STIHL Ematic system ensures chain oil is delivered precisely where required. Benifits include: Reduced oil consumption, Enhanced chain lubrication, Improved cutting performance, Lower operating costs.
Advanced Four-Channel Technology
STIHL's four-channel cylinder technology improves the flow of the fuel-air mixture into the combustion chamber.
Manual Decompression Valve
The decompression valve reduces cylinder pressure during starting, making the chainsaw easier to start and reducing strain on the starting system.
STIHL Anti-Vibration System
Anti-vibration elements reduce vibration transfer to the handles. Increases user comfort, reduced fatigue, improved control, greater productivity during long working days
