MS 311 - $499.95 DSRP


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Advanced engine technology improves fuel economy by up to 20% over previous model chain saws – for longer run times.

Ideal for felling, firewood cutting and storm cleanup, this mid-range chain saw features a low-emission engine that reduces fuel consumption by up to 10% compared to previous models. The new air filtration system requires fewer filter changes and allows for longer run times.

Print Spec Sheets
MS 311 Specifications
DISPLACEMENT 59.0 cc (3.6 cu. in.)
ENGINE POWER 3.1 kW (4.2 bhp)
POWERHEAD WEIGHT 6.4 kg (14.1 lbs.)
GUIDE BAR LENGTHS* (Recommended ranges) 40 to 50 cm (16" to 20")
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 60) OILOMATIC® saw chain and 16" 3003 008 8913 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.
Model Features
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    Adjustable Automatic Oiler
    The Adjustable Automatic Oiler allows the user to adjust the lubricant of the guide bar and saw chain for different bar lengths and cutting conditions.
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    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.
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    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.

    More Information

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    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.
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    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.
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    STIHL Quickstop®
    STIHL chain saws are equipped with a chain stopping system designed to reduce the risk of injury in certain kickback situations. It is called a STIHL Quickstop® chain brake. The STIHL Quickstop® chain brake is designed to stop the rotation of the chain if activated by the operator’s hand or by inertia if the saw kicks back with sufficient force. In some working positions, the STIHL Quickstop® chain brake can be activated by inertia, stopping the chain within fractions of a second.

    See it in action!
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    Ematic™ Lubrication System
    The Ematic™ guide bar when used with STIHL OILOMATIC® saw chain will provide proper lubrication and less oil consumption than conventional methods. The system works because two ramps, strategically placed in the guide bar rail, help contain the flow of oil and direct all lubrication to the sliding faces of the bar and chain links as well as the rivets and driver holes, which in turn can reduce bar oil consumption up to 50%.
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    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.
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    Decompression Valve
    The decompression valve, also referred to as 'deco' or 'deco valve', vents compression in the cylinder for easier starting. The decompression valve temporarily reduces the compression in the combustion chamber during cranking and helps reduce the effort needed to pull the starter rope. It is opened manually and closes automatically as soon as the engine fires.
Standard Features
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    Common Features for Chain Saws
    View the features common to many STIHL chain saws.

You Will Also Need
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    HP Ultra 2-Cycle Engine Oil
    No matter how you slice it (or trim it or shred it), there’s no better protection for your high performance 2-stroke engine than STIHL HP Ultra. This 2-cycle engine oil has outstanding engine cleaning characteristics, plus “ultra” lubricating qualities that’s superior to other 2-cycle engine oils. This fully synthetic oil is also highly biodegradable, degrading by 80% in 21 days. We’re so confident this oil will protect your engine, we’ll double your STIHL limited warranty* when you use it. It’s that good.

    *Double your warranty when you include 6 bottles of STIHL HP Ultra Oil or 6 cans of STIHL MotoMix® Premixed Fuel with your STIHL product purchase. Double limited warranty protection applies to STIHL gasoline-powered products purchased and registered for personal non-income producing, family and household purposes only. Other restrictions apply. See dealer for details.
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    Bar and Chain Oil
    Don’t let friction cut down your chain saw’s performance. STIHL bar and chain oil is specially formulated to adhere to your chain saw’s bar and chain, providing optimal lubrication. Special oils help prevent sap and pitch from clinging, prolonging cutting performance and the lifespan of your chain parts. Ideal for use in moderate temperatures, STIHL bar and chain oil provides quality protection for your chain saw – bar none.
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    Woodsman Chain Saw Carrying Case
    Just like our chain saws, our case can handle multiple tasks. Use it to carry and transport your chain saw to and from the work site. It is also ideal for storage when your workday is done. It’s unique, removable bar scabbard has built-in tool holders to carry tools to the cutting site. Fits MS 170 to MS 460 with 20” bar. (Excludes MS 441 and wrap-handle saws.) Replacement parts available.
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    Complete Filing Kits
    Includes file guide, depth gauge, round file, flat file and two file handles in tool pouch. Kits available for the following chain types: STIHL PICCO™ Mini; 1/4" pitch chain; .325" pitch chain; 3/8" pitch chain; .404" pitch chain.
For Your Safety
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    Pro Mark™ Apron Chaps
    For heavyweight protection that won’t weigh you down, choose Pro Mark™ Apron Chaps from STIHL. They’re rugged, yet comfortable to wear and easily fit over your work clothes. Sewn into the legs of the chaps are nine layers of Engtex®, a cut-retardant material designed to reduce the risk or severity of injury to the body parts covered by the pads in the event of contact with the rotating saw chain of a gasoline-powered chain saw. The open-back design of these chaps makes them a great choice for hot working conditions. These Pro Mark™ apron chaps provide three additional layers of Engtex® than our standard apron chaps. STIHL chain saw protective apparel is also wash and wear, unlike some other brands that require dry cleaning or light surface cleaning.

    The STIHL Pro Mark™ designation identifies products for professional users.

    Available color: High Visibility Orange
    Available lengths: 32", 36", 40"

    See it in action!
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    STIHL® Forestry Helmet System
    The woods can hold many dangers. Stay one step ahead with the Forestry Helmet System from STIHL. The protection starts with a hard shell of ABS thermoplastic. It gets even better with a six-point, ratchet-style suspension system that absorbs shock and keeps the helmet stable while you work.

    The system also features a Cool Guard sweatband to keep perspiration out of your eyes, as well as a built-in rain gutter to direct rain away from your face during inclement weather. Adjustable hearing protectors comfortably reduce noise while an epoxy-coated steel full-face screen helps protect from flying debris.

    Hard hat meets ANSI Z89.1-2003 Type 1 Class G & C. Hearing protectors meet ANSI S3.19-1974 and have a Noise Reduction Rating (NRR) of 24 dB(A).
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    Cut-Retardant Gloves
    Get a grip on your chain saw with STIHL Cut-Retardant Mitts. Made with water-resistant nylon backs and goatskin palms, these mitts offer exceptional comfort and grip without sacrificing dexterity. Engtex®, a cut-retardant material, is sewn into the back of the left glove. These mitt-style gloves also feature a separate index finger for chain saw throttle operation, while hook and loop wrist straps make fitting a breeze. These chain saw protective gloves are an excellent choice for the professional logger. STIHL chain saw protective apparel is also wash and wear, unlike some other brands that require dry cleaning or light surface cleaning.

    Available color: High Visibility Orange
    Available sizes: S (8), M (9), L (10), XL (11)

Important Information
WARNING! The occurrence called “kickback” can cause serious or fatal injury. Always read the instruction manual carefully before using your saw. STIHL uses a green and yellow color-coding system to help you select a powerhead, bar and chain combination that complies with the kickback requirements of ANSI Standard B175.1 (gasoline-powered saws) and §30 of UL 1662/ ANSI Standard B175.1 (electric chain saws). Ask your STIHL dealer about safe operating procedures and the advantages of the STIHL Quickstop® chain brake, STIHL Quickstop® Plus additional chain braking feature (Q), STIHL reduced kickback bars and STIHL low-kickback saw chains.

STIHL recommends the use of green reduced kickback bars and green low kickback chains on all STIHL chain saws.
* The actual listed guide bar length can vary from the effective cutting length depending upon which power head it is installed.
Note: STIHL recommends use of fuel with no more than 10% Ethanol content. Using fuel with greater than 10% Ethanol content may cause damage to your equipment and may void your STIHL warranty. Learn More…
WARNING! Improper use of any power tool may cause serious or fatal injury. Read, understand and follow carefully the operating and safety instructions in your instruction manual before using such products.

STIHL products sold through U.S. STIHL dealers are for distribution in the United States only.
Click to view the STIHL Limited Warranty Time Periods
Rated 4.9 out of 5 by 56 reviewers.
Rated 5 out of 5 by Excellent Saw I bought this saw after reading many reviews on the internet and talking to alot of different people. It has very good power and cuts better than any saw I have ever owned or used. The large chain makes quick work of larger trees and will even rip cut when necessary to split extremely large pieces in halves or quarters. I highly recommend this saw to anyone who cuts alot of wood. October 22, 2012
Rated 5 out of 5 by Great running saw I love the power and easy starting of this saw. I heat my home with an outside boiler so I cut about twelve cords of wood each year and this saw has helped me cut through this amount of wood with ease. April 10, 2014
Rated 5 out of 5 by WOW I've been able to cut through seasoned hickory like a hot knife through butter. I was able to fall and cut up two trees before the other guy that was helping me got one done. And I only had to refuel once, he did three times. April 7, 2014
Rated 5 out of 5 by Holy smoke what a saw! After reading a boatload of reviews and talking to many folks I picked this saw and wow! This a cutting son of a gun. Runs the 20' bar and chain with no problem! If you are wanting to make your firewood pile up quickly then I recomend this saw. Chips fly off the chain not saw dust actual chips! Incredible saw! Try one out,,you won't be sorry. April 4, 2014
Rated 1 out of 5 by Does Not Look Good ... yet Purchased an MS311 today entirely based on the good reviews here... have spent 2 hours trying to start it ... have used chainsaws for 30 years and I am familiar with the Stihl settings ... I think it is going back to the dealer tomorrow and see what they want t do with it. March 28, 2014
Rated 5 out of 5 by AWSOME SAW I used other saws not going to mention names,but nothing compares to the MS 311 its strong, fast, and the quality can;t be beat. If you need a saw don't waste your money on the Pro want to be saws get the best. for me the MS 311 is perfect but if it's to big for what you want to use it for fine, just get a smaller Stihl you can't go wrong with any of there saws i have 2 and love them both March 27, 2014
Rated 5 out of 5 by FAST Had to replace my Stihl 031av after 30+ great years. Sad day. But these are a lot faster and seem to be just as strong. The speed is a major difference but otherwise, weight, comfort etc. seem similar. Some stuff like chain brakes have been added and some more plastic but awfully nice. Harder to start. Takes a while and a bit of practice to figure out how it wants to start. Frustrating at first but great when its running! March 19, 2014
Rated 5 out of 5 by Great chain saw I've been putting off buying a new chainsaw for years. After some research and a few visits to my STIHL dealer I decided on the MS 311. I was so surprised after using this saw for a day. This saw cut through 18" trees like butter. I have a 25" blade on mine and this model had power plus. Comfortable to operate, easy start and purrs at idle. Great saw. Only issue I have is that I wish I purchased it sooner. March 11, 2014
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