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STIHL MS 391 25" Gas-Powered Chainsaw

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STIHL MS 391 25" Gas-Powered Chainsaw

SKU MS39125
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The STIHL MS 391 25" Gas-Powered Chainsaw delivers high-powered performance with low fuel consumption and reduced exhaust emissions, making it ideal for demanding tasks on the farm, ranch, or in the field. Designed with advanced STIHL engine technology, it offers an optimal power-to-weight ratio while outperforming comparable models. Whether you're felling trees, cutting firewood, or handling storm cleanup, the MS 391 is built for rugged, reliable performance.

Features:

  • IntelliCarb™ Compensating Carburetor - Automatically adjusts air/fuel ratio for consistent RPM and performance.
  • Bumper Spikes - Prevent pull-in and provide better control for smoother cutting.
  • Toolless Fuel and Oil Caps - Easy to remove and tighten without tools.
  • Pre-Separation Air Filtration System - Extends air filter life by ejecting larger dirt particles before reaching the filter.
  • Anti-Vibration System - Reduces operator fatigue for enhanced comfort during extended use.

Model Number: MS391 25

Power Source

Gas

Powerhead Weight

13.67 pounds

Guide Bar Length (Recommended)

25 inches

OILOMATIC® Chain

3/8 inches RS3

Chain Oil Capacity

11.8 ounces

Engine Power

4.4 bhp

Fuel Capacity

20.3 ounces

Displacement

64.1 cc

Intended Use

Farm/Ranch

IntelliCarb Compensating Carburetor

Yes

Anti-Vibration System

Yes

Pre-Separation Air Filtration System

Yes

Bumper Spikes

Yes

Toolless Fuel and Oil Caps

Yes

Power Source Gas
Powerhead Weight 13.67 pounds
Guide Bar Length (Recommended) 25 inches
OILOMATIC® Chain 3/8 inches RS3
Chain Oil Capacity 11.8 ounces
Engine Power 4.4 bhp
Fuel Capacity 20.3 ounces
Intended Use Farm/Ranch
IntelliCarb Compensating Carburetor Yes
Anti-Vibration System Yes
Pre-Separation Air Filtration System Yes
Bumper Spikes Yes
Toolless Fuel and Oil Caps Yes

Misplace the user manual? No problem! Hartville Hardware is here to help. Below is the user manual for the STIHL MS 391 25" Gas-Powered Chainsaw. Read it before you buy it, or come back and download it if you have any questions after getting your product home.

STIHL MS 391 25" Gas-Powered Chainsaw

STIHL Limited Warranty can be found here: Click to View


All STIHL products are warranted for 3 months when the product is used for rental purposes.

All STIHL axes, hedge shears, loppers, pruners, and pruning saws are warranted against defective material or workmanship until the product is no longer available while owned by the original purchaser (other than for the purpose of resale) when used for all applications.

STIHL products sold through U.S. dealers are only for distribution in the United States.

 

DOUBLE THE LIFE OF YOUR LIMITED WARRANTY

Double limited warranty protection applies to STIHL gasoline-powered products purchased for personal non-income producing, household purposes only. At the time of your equipment purchase, simply purchase a six-pack of STIHL HP Ultra Oil or at least one gallon of STIHL MotoMix® premixed fuel to qualify for the double limited warranty coverage. STIHL HP Ultra Oil and STIHL MotoMix® premixed fuel provide for improved engine longevity. See the dealer for details or refer to STIHL’s Limited Warranty Policy.

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