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Chainsaw - Stihl MS 391 - 18in


Price and Order Options



* PDI will be added to your order and includes adding oil and gas, assembling, running up, adjusting and testing your equipment before you take it home. All equipment is available for in store pickup.
Shipping by special arrangement only. Call for details...


A mid-range chain saw with advanced engine technology, the STIHL MS 391 improves fuel efficiency by up to 20% compared to previous models, saving you time and money. An advanced anti-vibration system increases comfort during all applications, including felling trees, firewood cutting, storm cleanup and more. Fifty percent lower emissions compared to previous models – combined with an exclusive air filtration system that allows for fewer filter changes – make the MS 391 an environmentally conscious choice for professionals and serious users.

As part of a new platform concept design series of power equipment, the MS 391 allows for quicker, more streamlined serviceability from your local STIHL Dealer.


Fuel Capacity
600 cc (20.3 oz.)
Oil Capacity
350 cc (11.8 oz.)
64.1 cc (3.9 cu. in.)
(Power) 3.3 kW (4.4 bhp)


3/8" RSC3


Bar Length
(Recommended Range) 40 to 50 cm (16" to 20") STIHL ROLLOMATIC®
6.4 kg (14.1 lbs.)

General Information

NOTE: STIHL recommends #3624 (33 RSC3 72) OILOMATIC® saw chain and 20" 3003 008 8921 Ematic™ guide bar combination.

While we attempt to ensure display of current and accurate information, this listing may not reflect the most recent data or may reflect occasional data entry errors. All inventory listed is subject to availability and prior sale. Please consult our sales personnel for details. Prices are quoted are Canadian $ and subject to change without notice. Prices do not include dealer preparation (PDI charges), transportation, taxes, or other applicable charges. Photographs may be representative only and may vary somewhat from the actual items offered for sale.