MS 311 - $489.95 DSRP


MS 311 ChainsawMS 311 Chainsaw

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

Ideal for felling, firewood cutting and storm cleanup, this mid-range chainsaw 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 6.2 kg (13.67 Ibs.)
FUEL CAPACITY 600 cc (20.3 oz.)
CHAIN OIL CAPACITY 350 cc (11.8 oz.)
OILOMATIC® CHAIN 3/8" RS3
GUIDE BAR LENGTHS (Recommended ranges) 40 to 50 cm (16" to 20")
STIHL ROLLOMATIC®
POWER SOURCE Gas
STIHL recommends #3624 (33 RS3 60) OILOMATIC® saw chain and 16" 3003 008 8913 Ematic™ guide bar combination. The actual listed guide bar length can vary from the effective cutting length based on which powerhead it is installed on.
Model Features
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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

  • Zoom
    Pre-Separation Air Filtration System
    This time-saving technology boosts the efficiency of the engine’s filter system, doubling the time between air filter cleanings. Air drawn into the engine is first separated via centrifugal force, ejecting the heavier dirt particles before being routed to the air filter. This pre-separation means less dirt to be captured by the air filter, resulting in less frequent cleaning and maintenance.

    More Information

  • Zoom
    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.
  • Zoom
    Toolless fuel and oil caps with retainers
    Simply lift the lever and twist the caps to remove or tighten. There‘s no need to use a tool to tighten or loosen.
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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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    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 Chainsaws
    View the features common to many STIHL chainsaws.

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 chainsaws). Ask your STIHL dealer about safe operating procedures and the advantages of the STIHL Quickstop® chain brake, STIHL Quickstop® Plus (Q) additional chain braking feature, 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 chainsaws.
* The actual listed guide bar length can vary from the effective cutting length based on which powerhead it is installed on.
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
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    STIHL Bar and Chain oil is formulated to adhere to the bar and chain, and to reduce wear. Special agents in the oil formulation help keep sap and pitch from clinging to the bar and chain.

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    Complete Filing Kits
    Kits available for the following chain types: STIHL PICCO Mini; 1/4" pitch chain; .325" pitch chain; 3/8" pitch chain; .404" pitch chain.
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    Chain Pitch File Diameter File Guide
    Part Number
    Sharpening Kit
    Part Number
    in. mm in. mm Part Number
    3/8 PMN 9.32 5/32 4.0 0811 411 8073

    5605 750 4327

    5605 007 1026

    1/4
    3/8 PM
    6.35
    9.32
    5/32 4.0 0811 411 8091

    5605 750 4327

    5605 007 1027

    0.325 8.25 3/16 4.8 0811 412 8088

    5605 750 4328

    5605 007 1028

    3/8 9.32 13/64 5.2 0814 243 3384 5605 750 4329

    5605 007 1029

    0.404 10.26 7/32 5.5 0811 412 8108 5605 750 4330

    5605 007 1030

For Your Safety
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    Performance Zip Chaps - 6 Layer

    The Performance Zip Chaps - 6 Layer provides a full wrap-around protection for a user’s lower leg area and are made to stand up to daily wear and tear. The outer material is crafted from durable orange Cordura® nylon fabric, an all-weather material used in a range of premium outerwear brands. Inside, the chaps feature six layers of Avertic® Pro by Engtex® cut retardant material, designed to reduce the risk or severity of injury in the event of contact with the rotating saw chain on a gasoline-powered chainsaw. For extra convenience, the chaps feature rows of zippers that run along the entire inseam of the chap, helping to ensure a comfortable fit that is easy to put on and/or remove. Visit our Dealership to see these chaps in person.

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    Black Wrap Glasses
    The Black Wrap Protective Glasses from STIHL help keep you cool and help you look even cooler. They feature a ventilated nosepiece designed for better heat dissipation and less lens fogging. The polycarbonate lenses block out 99% of the sun’s harmful UV rays and are available in multiple color options. The black-wrap half frame includes rubber pads to prevent slippage while delivering sleek style that looks great with both protective and normal work apparel. Glasses meet ANSI Z87.1 standard.
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    STIHL Pro Mark™ Dynamic Protective Gloves
    Durable and hardworking, STIHL Pro Mark™ Dynamic Gloves deliver professional-grade hand protection. The palm and inner fingers are made of full grain tanned leather, so you can work with comfort without sacrificing a firm hold. Featuring multiple layers of cut-retardant materials – Avertic Pro and Dyneema fabrics by Engtex® – these gloves will help deliver protection without compromising the dexterity you need while operating a chainsaw. Accented with an orange rip-stop nylon backing, these dynamic gloves offer style and protection. Water repellant, breathable and featuring a Velcro wrist closure, STIHL Pro Mark™ Dynamic Gloves are as ready for the woods as you.
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    Forestry Helmet System
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Are You Ready for a STIHL?

MS 311 is rated 4.6 out of 5 by 230.
Rated 5 out of 5 by from 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.
Date published: 2012-10-23
Rated 5 out of 5 by from Worth the money After having a number of lesser chain saws that didn't last I broke down and bought the Sthil. Not only has it lasted longer than any of the other's I had it cuts better now (3 years old) than the other's did brand new! You won't be disappointed.
Date published: 2018-10-11
Rated 5 out of 5 by from Ms311 I bought this saw with the 25” bar and chain. I used it for the first year this way then switched it over to the 20”. What a difference. Love the saw now it tears through anything. It works fine with the 25” but is exceptional with the 20.
Date published: 2018-10-10
Rated 1 out of 5 by from Highly Disappointed Bought this saw to replace my 25 year-old 029 model. I cut one tree and the saw would stall at the end of every cut. Finally, it stalled and would not restart. Left it cool, changed spark plug, no start, no spark. Back to dealer where they found a loose ignition module and had to replace the carburetor. I had the saw one day, they had it for six days.Got it back on Friday, cut 3 trees on Sunday and the clutch exploded into pieces. Back to dealer on Monday and demanded my money back. They reluctantly complied and refunded my money, but I am left with a shaken confidence in Stihl products. I own no fewer than 4 other Stihl power tools with no problems, but now i'm not sure I'll buy any more.I was disappointed with this saw, but I'm more disappointed that I now don't trust a brand that I've used for 25+ years.
Date published: 2018-09-25
Rated 5 out of 5 by from Unbelievable saw Took it out of the box and cut down 2 large (30’) crabapple trees. This saw performed perfectly with much abuse. Powerful engine and simple to use. Started easily every time.
Date published: 2018-09-21
Rated 5 out of 5 by from Amazing saw. Replaced old 041 Amazing saw. Replaced old 041 It has mor power. Easy to fill fuel an oil an compression release it also nice to have. Amazing saw
Date published: 2018-09-20
Rated 5 out of 5 by from Great saw I've cut 250 chord of wood in 1 yr with this saw. It has been error free the whole time. I've put 10 chains and one sprocket and bar. Is all I've had to do to it. Very reliable. Great price. Very happy with it.
Date published: 2018-09-16
Rated 1 out of 5 by from Died in less than 2 years I bought the MS311 new and used it to cut firewood. In just under 2 years the saw would no longer start. I brought it to the dealer and they informed me the piston was scored and the cost to fix woul be a minimum of 75% of the price of a new saw. The tech at the dealer recommended that I buy a new saw and use this one for spare parts. I have used/owned Stihl saws for almost 40 years but After reading more reviews on this saw I am skeptical about purchasing another saw from Stihl at this point. Based on multiple other similar issues it appears that there a design problem with this saw. Saving money now and for a new saw and looking to read more reviews.
Date published: 2018-09-16
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