Stihl Chainsaw 20″ – MS391-20 #927832


Product Description

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STIHL engine technology means low fuel consumption, longer run times and reduced emissions in this high-powered chain saw. The MS 391 features our newest engine technology that adds fuel efficiency while reducing emissions as compared to other 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.

The new air filtration system requires fewer filter changes, allowing for longer run times. And with an advanced low-emission engine technology, the STIHL MS 391 mid-range chain saw improves fuel efficiency by up to 20% compared to previous models.

Standard Features

  • Advanced engine technology (Low fuel consumption and reduced emissions/more power)
  • Pre-separation air filtration system
  • Advanced anti-vibration system
  • Toolless fuel and oil caps with retainers
  • Side-access chain tensioner
  • IntelliCarb™ compensating carburetor
Displacement 64.1 cc (3.9 cu. in.)
Engine 3.3 kW (4.4 bhp)
Powerhead Weight 6.4 kg (14.1 lbs.)
Fuel Capacity 600 cc (20.3 oz.)
Fuel Capacity 600 cc (20.3 oz.)
Chain Oil Capacity 350 cc (11.8 oz.)
Oilomatic® Chain 3/8″ RS3

STIHL recommends #3624 (33 RS3 72) OILOMATIC® saw chain and 20″ 3003 008 8921 STIHL ROLLOMATIC® Ematic™ guide bar combination. The actual listed guide bar length can vary from the effective cutting length depending upon which power head it is installed.