Top of the range, high torque chain saw for rugged farm use

  • The MS 391 chain saw features a stratified charge engine that reduces fuel consumption and emissions, while providing significantly more power than others in its class.
  • Combined with an exclusive long-life air filtration system, advanced anti-vibration system, toolless fuel and oil caps with retainers and a side-access chain tensioner, this is an environmentally conscious pick for mid-range users.

Equipment prices include Pre-Delivery inspection, Set-up and Test Run.

SKU Description Price
MS391-16 16" Bar & Chain $759.95

Other bar and chain sizes available upon request.

Prices and specs subject to change without notice. Product Special prices are while quantities last.

Specifications

Displacement (cc)64.1
Power output (kW)3.3
Weight* (kg/lb) w/o bar & chain6.4 / 14.1
Available bar length (in)16 - 24
OilOmatic ® saw chain pitch / type3/8" / RS
Chain tensioning at the sideStandard
Chain quick tensioning (B)
Quickstop® super chain brake
Primer pump
Decompression valveStandard
ElastoStart™Can be retrofitted
Easy2Start™
CompensatorStandard
Toolless filler capsStandard
Electronically heated handle
Heated carburetor

Addition Info

Anti-Vibration System – STIHL has developed a system for minimizing the vibration levels of handheld outdoor power equipment. The STIHL anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience.


Reduced-emission engine technology – 2-stroke engine with stratified charge. A fuel-free layer of air is created between the burned charge in the combustion chamber and the fresh charge in the crankcase, reducing the amount of fuel lost during the charge cycle. This results in more power with a lower weight, up to 20% lower fuel consumption than regular 2-stroke engines and significantly reduced exhaust emissions.


Advanced combustion technology – Four overflow channels swirl the fuel-air mix before ignition, allowing for optimum combustion and highly efficient performance. The result is lower fuel consumption and high torque across a broad rpm range.


Pre-separation air filtration system – STIHL long-life air filtration systems with pre-separation achieve perceptibly longer filter life compared with conventional filter systems. Air drawn in is swirled. The larger, heavier particles are ejected. The pre-cleaned air is routed to the air filter via the pre-separator duct.


Tool free filler caps – Special catches on the fuel and oil tanks for easy opening and locking without the need for tools.


Decompression valve – The decompression valve is part of the easy starting system. The valve should be pressed before starting to reduce the compression pressure when starting, as well as the effort needed to pull the starter rope. The decompression valve is semi-automatic; it must be pressed manually before starting, but then closes automatically.


Compensator – This controller in the carburetor prevents the fuel-air mixture getting richer as the air filter becomes clogged. The correct quantity of fuel is delivered to the carburettor depending on the quantity of air passing through the air filter. This keeps the fuel/air ratio in the combustion mixture constant and hence also the engine power. The filter doesn't need to be cleaned until an appreciable drop in power occurs.


Ematic chain lubrication system – The Ematic chain lubrication system ensures pinpoint lubrication of the saw chain links and guide bar rails. When used with STIHL OILOMATIC saw chain, it will provide maximum lubrication, longer wear and less oil consumption than conventional methods of chain lubrication. The Ematic system can reduce bar oil consumption by up to 50%.


Side chain tensioner – The tensioning screw can be found on the side of chain saw through the sprocket cover. This removes the need for contact with the sharp saw chain.


Single-lever master control – All important functions such as start, choke, throttle and stop are operated via a single lever.


Variable-displacement oil pump – The exact chain oil output can be adjusted manually for varying conditions, allowing for a reduction of up to 50%.