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Stratford, WI
715-687-3128
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Stihl MS 391 20 in.
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Stihl MS 391 20 in.
View Details
View Details
Specs
Features
General Information
Manufacturer
Stihl
Stihl
Model
MS 391 20 in.
MS 391 20 in.
Model Code
11402000591
11402000591
Color
Orange / White
Orange / White
Dimensions
Length
Device with bumper spike - 18 in. (458 mm) (without guide bar and saw chain)
Device with bumper spike - 18 in. (458 mm) (without guide bar and saw chain)
Width
Groove - 50 / 63 in.
Groove - 50 / 63 in.
Weight
Device without refueling - 13.8 lb.
Device without refueling - 13.8 lb.
Engine
Horsepower
4.5 hp (3.3kW)
4.5 hp (3.3kW)
Displacement
3.9 ci (59 cc)
3.9 ci (59 cc)
Operational
Chain
Saw pitch - 3/8 in.
Saw pitch - 3/8 in.
Guide Bars
Length - 20 in.
Length - 20 in.
Other
Miscellaneous
Power-to-weight ratio - 1.90 kg/kW
Power-to-weight ratio - 1.90 kg/kW
Features
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.
BUMPER SPIKES: These spikes prevent pull-in and provide better control, making cutting easier.
HIGH-TECH POLYMER HOUSINGS: Housings are lightweight, withstand greater impact, and are corrosion-resistant.
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.
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.
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.
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.
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.
THROTTLE TRIGGER LOCKOUT: This safety feature must be depressed before the trigger can be activated.
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.
Features
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.
BUMPER SPIKES: These spikes prevent pull-in and provide better control, making cutting easier.
HIGH-TECH POLYMER HOUSINGS: Housings are lightweight, withstand greater impact, and are corrosion-resistant.
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.
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.
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.
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.
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.
THROTTLE TRIGGER LOCKOUT: This safety feature must be depressed before the trigger can be activated.
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.