ID # 33899362

STIHL MS 391

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When you have a cutting job to do, reach for the legendary power of STIHL chainsaws. Whether you’re a homeowner or pro, doing light trimming or heavy-duty cutting, it’s easy to find the right STIHL chainsaw for your needs. From the original gas chainsaw that helped us build our name worldwide, to our innovative battery-powered saws, to the convenience of a plug-and-go electric chainsaw, you can count on the power, performance, and durability of a STIHL.

STIHL engine technology means low fuel consumption, longer run times, and reduced exhaust emissions in this high-powered chainsaw.The MS 391 features STIHL engine technology that adds fuel efficiency while reducing exhaust emissions, as compared to other chainsaw models. Though equal in weight, the MS 391 is more powerful than the MS 311. Add to that an optimal power-to-weight ratio and you have a chainsaw that’s cut out for the big jobs in field, farm, and ranch. Felling trees, cutting firewood, and cleanup after the storm just got a whole lot easier with the rugged MS 391.

INTELLICARB™ COMPENSATING CARBURETOR
BUMPER SPIKES
TOOLLESS FUEL AND OIL CAPS WITH RETAINERS
PRE-SEPARATION AIR FILTRATION SYSTEM

Specifications

Model

MS 391

Category Name

Lawn / Garden

Year

2024

Sale Type

New

Manufacturer

STIHL

DISPLACEMENT

64.1 cc

ENGINE POWER

4.4 bhp

POWER SOURCE

Gas

FUEL CAPACITY

20.3 oz.

POWERHEAD WEIGHT

13.67 lbs.

OILOMATIC® CHAIN

3/8" RS3

CHAIN OIL CAPACITY

11.8 oz.

GUIDE BAR LENGTH (Recommended)

20 in.

features

IntelliCarb™ Compensating Carburetor -

The IntelliCarb™ Compensating Carburetor is designed to automatically adjust the air/fuel ratio when the air filter becomes restricted or partially clogged and maintains the engine’s correct RPM. IntelliCarb™ uses air from the clean side of the air filter to control the diaphragm and flow of fuel. As the air filter becomes dirty and less air is available for the carburetor, the IntelliCarb™ system adjusts the fuel flow to compensate for the decrease in air flow. This is in contrast to typical carburetors that utilize this air from the “dirty” side of the air box.
Bumper Spikes -

These spikes prevent pull-in and provide better control, making cutting easier.
Toolless Fuel and Oil Caps with Retainers -

Simply lift the lever and twist the caps to remove or tighten. There’s no need to use a tool to tighten or loosen.
Pre-Separation Air Filtration System -

This time-saving technology boosts the efficiency of the engine’s filter system, doubling the time between air filter cleanings. Air drawn into the engine is first separated via centrifugal force, ejecting the heavier dirt particles before being routed to the air filter. This pre-separation means less dirt to be captured by the air filter, resulting in less frequent cleaning and maintenance.
Side-Access Chain Tensioner -

The side-access chain tensioner makes it much more convenient for the user to adjust the saw chain with a bar wrench as opposed to the typical location of the guide bar adjustment screw.
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.
Master Control Lever™ -

The Master Control Lever™ is an easy to use single lever, operating the choke, starting throttle lock, and on-off switch. The operator must pull the throttle trigger before moving the Master Control Lever™ to the choke position.
Throttle Trigger Lockout -

This safety feature must be depressed before the trigger can be activated.
High-Tech Polymer Housings -

Housings are lightweight, withstand greater impact, and are corrosion-resistant.
Reduced-Emission Engine Technology—Caring for Nature -

The STIHL Inc. “Caring for Nature” seal identifies its powered products that are more environmentally conscious, producing zero or low exhaust emissions. STIHL Inc. defines “low exhaust emissions” as being cleaner than EPA and/or CARB exhaust emission standards.