The STIHL MS 391 Chainsaw is a high-performance gas-powered saw built for demanding forestry work. Perfect for felling hardwood, cutting large volumes of wood, and heavy agricultural tasks, it delivers high torque, extended run time, and a robust ergonomic design for comfort during long operations.

Its sturdy construction, efficient engine, and optimized air filtration system ensure reliable performance even in challenging conditions. An excellent choice for farmers, forestry professionals, and large property owners.

Guide Bar & Chain Combinations (3/8" – .050")

LengthChainGuide Bar
16" 33RS 60 3003 000 7813
18" 33RS 66 3003 000 7817
20" 33RS 72 3003 000 7821
24" 33RS 84 3003 000 7831
1140 200 0427

Data sheet

Part Origin
OEM – STIHL
Displacement
64.1 cc
Task Type
Limbing
Tree Felling
Power source:
Gasoline (50:1)
Working Length
16 in (40 cm)
18 in (45 cm)
20 in (50 cm)
24" (60 cm)
Weight (kg / lb)
6.21 kg (219 oz) (13.7 lb)
Engine power:
3.1 ⇆ 3.5 kw
Product Type
Chainsaw

Accessories