FS 40 C-E - $159.95 DSRP SAVE $10.00 on select models

Distributor Suggested Retail Price
FS 40 C-E

DSRP: $159.95 $149.95


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A lightweight, reliable grass trimmer, featuring STIHL Easy2Start™ technology, a low exhaust emission engine and lightweight curved shaft.

Powered by an advanced low-emission engine, the lightweight curved shaft FS 40 C-E STIHL trimmer features Easy2Start™ and a new starting system designed to help prevent flooding — so you can get started with fewer steps. High fuel efficiency, along with excellent balance, makes this trimmer comfortable on the wallet and in the yard.

20% More Fuel-efficient than Previous Model

Print Spec Sheets
FS 40 C-E Specifications
DISPLACEMENT 27.2 cc (1.66 cu. in.)
ENGINE POWER 0.7 kW (0.94 bhp)
WEIGHT* 4.5 kg (9.9 lbs.)
FUEL CAPACITY 340 cc (11.5 oz.)
* Weight without cutting attachment or deflector.
Model Features
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    Adjustable front handle
    The front handle is easily adjustable (360-degree rotation) for comfort.
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    Simplified Starting Procedure
    To get started, simply pump the fuel primer, set the choke and pull the starter cord. The built-in stop switch allows the user to turn off the engine with a simple press of the button. When the engine is off, the throttle lock automatically returns to the “start” setting. Your power tool will be ready to be started when you’re ready to get back to work.

    See it in action!
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    Fully Lined Drive Shaft
    Provides smooth operation and less vibration.
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    High Tech Polymer Housing
    Housings are lightweight, withstand greater impact and are corrosion-resistant.
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    Start/Run/Stop Controls on Handle
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    Protected Choke Lever/Knob
    Helps prevent damage.
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    Throttle Trigger Interlock
    Must be depressed before the trigger can be activated.
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    Air Filter Cover
    Easily removed for fast and easy filter cleaning or replacement.
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    Protected or Enclosed Control Cables
    Eliminate dangling and loose wires.
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    Heavy-Duty Steel-On-Steel Clutch
    Centrifugal clutch is designed to reduce slippage.
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    Protected Spark Plug
    Protected yet easy to change.
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    Protected Spark Arrestor Muffler
    Has large baffles which reduce noise level and contains a screen designed to reduce the emission of sparks.
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    Upright Translucent Fuel Tank
    Allows operator to easily check fuel level before starting work. Upright position makes it easier to refill.
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    Purge Pump Primer
    By pressing the bulb, this small fuel pump delivers fuel to the carburetor, reducing the number of starting pulls needed after an extended break between uses.
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    Cutting Heads & Blades Selection Chart
    Need help selecting a cutting head or blade for your STIHL trimmer or brushcutter?

    Click here to view the Cutting Heads & Blades Selection Chart (PDF Format).
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    Built in the USA
    Indicates products that are built in the United States from domestic and foreign parts and components.

    More Information

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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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    STIHL Easy2Start™
    The STIHL Easy2Start™ system makes starting STIHL outdoor power tools almost effortless, eliminating the need for a strong pull of the starting cord. This advanced starting system is designed to make starting STIHL products easier. The specific system may vary by model, but in each case, a quick pull overcomes the engine’s compression to minimize the strength and effort required to start. Available on selected products.

    See it in action!
Standard Features
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    Common Features for Trimmers
    View the features common to many STIHL trimmers.

Important Information
WARNING! Improper use of any trimmer/brushcutter can cause serious or fatal injury. Read, understand and follow all safety instructions in your instruction manual. To reduce the risk of injury from blade contact, circular saw blades may be used on FS brushcutters that have a limitstop, a bicycle handle and double shoulder harness and not on FS brushcutters with a "J" handle or loop handle. Other rigid blades may be used on FS brushcutters having a bicycle handle, a "J" handle or a loop handle equipped with a barrier bar. To reduce the risk of eye injury always wear proper eye protection. Always use the appropriate deflector for the type of cutting attachment, as explained in your instruction manual.
Note: STIHL engine products with the Caring for Nature logo are cleaner than EPA Standards for exhaust emissions.
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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    •2.6 oz. bottle makes 1 gallon mix

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    STIHL recommends a mix of 50:1 high-quality 89 octane or higher unleaded gasoline to STIHL engine oil. This same mix ratio should be used during break-in.

For Your Safety
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    Exclusive deerhide leather provides fantastic wear properties and excellent sense of touch and feel. Naturally soft leather provides all-day working comfort. Sizes available S, M, L, XL.
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    Padded stainless steel spring wire headband maintains constant pressure. Easy to adjust. Noise Reduction Rating (NRR): 29. Meets ANSI S3.19-1974 standard.

    Colors available: Camouflage, Orange and Grey

STIHL Dealer Days are Happening Now!

FS 40 C-E is rated 4.3 out of 5 by 372.
Rated 3 out of 5 by from Quality parts, below average operation My son-in-law bought me this trimmer for Christmas year before last. About 1/2 way through the spool (that came with the trimmer), the line began twisting itself together requiring me to open the head and manually advance the line. This happened about every 5 minutes or so. On some occasions, the line seemed to melt itself together, requiring me to pull on it hard to get it to separate. Got so frustrated, I put it back in the garage and started using my old B&D battery powered trimmer to finish; and haven't tried to use it since. In an effort to overcome this frustration, I just today bought an Stihl AutoCut C 6-2 head. I'm also going to try using a different braided line (from a different company as Stihl doesn't make their braided line in 80/1000"). Perhaps the combination will fix what (to me) is a very poor design. At this point, I'm thinking that the type of line that comes with the trimmer, is the problem.
Date published: 2018-02-28
Rated 2 out of 5 by from not happy three days ago went to use trimmer for the first time this season and the rope broke on the third pull took back to dealership and as of today it is not been fixed
Date published: 2018-02-27
Rated 4 out of 5 by from Powerful tool, don't like the grip & trigger. I have used it one time to cut day lilies, really tough job that hedge trimmers could not handle. Cut through a dozen plants with the same string, no problem. I need to adapt though to the trigger being so far forward on the shaft.
Date published: 2017-11-21
Rated 5 out of 5 by from Works well This trimmer replaced the stihl I bought in the early 90s. Very dependable and I believe this one will also be!
Date published: 2017-11-02
Rated 5 out of 5 by from Starts easily and runs well. Best trimmer I have ever used. Have had several different brands and prefer this by far.
Date published: 2017-10-30
Rated 4 out of 5 by from Great trimmer, except.. I have always had battery operated trimmers in the past because it seemed all gas trimmers were difficult to start. After a demonstration of this trimmer I was sold. Very easy to start. However, I am having a problem with the "tap & go" feature, and it appears I am not the only one. Right from the get go it did not work. I had to take the head apart and manually re-thread the line. This happened every time I had to add line. When opening the head I found that the line had crisscrossed itself and I had to straighten it out. What can do to stop this from happening?
Date published: 2017-10-26
Rated 5 out of 5 by from Great home / small business trimmer Purchased the FS40 CE back in 11/13 and overall has been a great unit. I read all about the trimmer line feed issues and bad starts, but I think most of that is improper use and not following the MFG suggestions. I use ethanol free gas for all my equipment, Stihl oil and now Stihl trimmer line. I tried to increase my trimmer line size on this unit and it had issues. I went back to OEM specs and my problems went away. I still have the original trimmer head. This is NOT a commercial unit, so do not expect it to do that level of trimming. I live in Florida and we have some of the toughest and fastest growing grass in the nation. We cut yards about 45 weeks out of the year. I have 2 oversize yards, 1 standard size, and 2 small lots and this trimmer has never given me any trouble. It has trimmed 1 month's worth of growth with no issues and clean results. As for chain link fence, use the deflector as a stop so the line does not tear off. My other Stilh is a BG56 blower and it is over 10 years old. Just replaced the carb on it and it runs like new again. I have had other units and learned the hard way, you get what you paid for.
Date published: 2017-10-22
Rated 2 out of 5 by from Not extremely happy with product at this point The pull cord is easy to pull but it does take several pulls to get it started. Once started, subsequent starts that day are generally 1 pull.The weight is nice making it easy to maneuver. My biggest concern at this point is the line does not feed out very easily. The trimmer line seems to get stuck - coils around itself inside the spool causing it to not "bump" out...generally about half way thru the spool. It seems like the trimmer line doesn't stay tight so it gets slack in the line causing the issue. Also the spool is somewhat cumbersome to work with to keep the line in place when putting back together.It takes me about 15 minutes to trim my yard. I have used this twice now and spent as much time messing with the line feed as it takes me to trim my yard. I have had several other brands over the years and never had anywhere near this issue with the line feed. Very disappointed as I thought I was buying a quality product in Stihl. I could have spent way less money on some off brand and got something that works just as well....frustrating.
Date published: 2017-10-20
Rated 4 out of 5 by from Good trimmer but... I really want to like this trimmer but the curved shaft makes you bend more in order to use it. After about a half hour of use you can feel it in your lower back. If this was a straight shaft trimmer it would be a great seller for Stihl. It runs great and does what a trimmer does. I used it over the summer and I'll be upgrading to the FS56 because that's a straight shaft trimmer.
Date published: 2017-10-16
Rated 3 out of 5 by from Okay but not great. I bought this trimmer after a lot of research and talking to friends. Everyone, including the people at the store, recommended Stihl over other similarly highly rated brands. I was replacing a low priced popular model that I had bought 3 years ago. That trimmer never ran well; it had issues with starting and then staying on without choke. It lacked power and despite only occasional use, it stopped working. In comparison, Stihl trimmer is much better. Its weight is balanced and it started without a fuss. I also like that its head does not spin during idling. It cuts well and effortlessly. However, my only problem after one use is that it DOES NOT advance the line upon tapping. To think that an advanced company like Stihl would not have figured out a simple archaic mechanism of line feed is disappointing. Now, I am having the same fear of picking up this trimmer to do my yard work. I had to stop trimmer after 3/4th of my work and it is sitting in the garage. I may try to work on it again but honestly I am annoyed.
Date published: 2017-10-08
Rated 4 out of 5 by from Overall a good product Replacing the trim line on a dual line feed is time consuming.
Date published: 2017-09-25
Rated 4 out of 5 by from works hard, starts easy , dependable. Bought this trimmer several years ago. Have a 3/4 acre property that I keep free of weeds,so this machine gets a work out. I generally run it until its out of gas and usually have little problem starting it while its hot. I some times put in a heaver line than recommended to cut around rocks and cement.I have many power tools and I don't want to collect any more so I like the idea of optional attachments. Good product in the right hands.
Date published: 2017-09-23
Rated 3 out of 5 by from Trimmer is too short I was disappointed after my purchase that I could not return it, I am a 5ft 6in tall female and the trimmer length is way too short for my height, Also was disappointed in the diameter of the cutting field. I know my husband will never be able to use this piece of equipment. At 6'8" he will not come close to the ground, little lone grass or weeds.I hope that in the future you will consider your customer's physical characteristics in any sale.
Date published: 2017-09-22
Rated 4 out of 5 by from Great Trimmer So far, I am loving the trimmer. I'll give you the pro's and con's. Pro's: Great power upgrade from the electric trimmer I previously owned. It is super easy to start.It is super lightweight.It is fairly simple to work with for things like basic maintenance.Con's:The only real complaint I have with the trimmer is that the trimmer head is annoying when it doesn't auto feed. I had to take the head off and pull the string out 3 times when I was trimming, but I think this because it had cheap string that had melted together. I put a higher quality string on the trimmer, but I haven't used it yet.
Date published: 2017-09-19
Rated 5 out of 5 by from This Product is a awesome machine at a reasonable price. This lightweight and durable string trimmer is excellent for not only use around the home but also keeps up with everyday use as in small businesses. Overall an excellent product. Only downfall is the new head on the string trimmer with the two equal pieces of string. I really don't care for it.
Date published: 2017-09-17
Rated 5 out of 5 by from Light Weight Light weight for a gas powered trimmer, easy start feature is true to its word
Date published: 2017-09-16
Rated 1 out of 5 by from Poor construction Had this trimmer for almost three years. After the first year the pull code shredded and was not under warranty. Bump cord release, either took multiple bumps or got jammed up, used correct cord(per manual), supplied by dealer. Then later this year, now will not start, I opened it up to inspect air filter and carb, noticed a tube coming from the "Air filter housing" going to the body just above the fuel tank was disconnected and will not snap back on.
Date published: 2017-09-15
Rated 5 out of 5 by from A good piece of equipment backed by a good warranty A good piece of equipment backed by a good warranty
Date published: 2017-09-14
Rated 5 out of 5 by from Excellent Easy to use and to run. Fun to use too. Easy to restring.
Date published: 2017-09-14
Rated 5 out of 5 by from Easy to use Had all other brands they are junk compared to Stiihl
Date published: 2017-09-12
Rated 5 out of 5 by from So far so good. The trimmer is smooth and has plenty of power. Starts easy and is comfortable to use. Like it so far. Would recommend to homeowners. Would purchase again.
Date published: 2017-09-11
Rated 4 out of 5 by from Prefer the Straight Shaft Trimmer Received this as a gift. Starts and runs well, but compared to my prior straight shaft Stihl, it is much harder to edge the driveway / sidewalk with, and harder to get under bushes, etc. Definitely would get a straight shaft next time.
Date published: 2017-09-05
Rated 5 out of 5 by from Glad I bought this over the cheaper brand again This has to be the best decision I have made. It's made my outdoor work much easier and faster.
Date published: 2017-09-02
Rated 5 out of 5 by from great trimmer Super easy starting, Runs beautifully. I wished I had bought it sooner. Does a much better job than the battery powered one that I had before.
Date published: 2017-09-01
Rated 5 out of 5 by from Dependable trimmer The name Stihl means confidence and assurance in a very dependable product that has proved itself over time.
Date published: 2017-09-01
Rated 5 out of 5 by from I love the features of this awesome trimmer. This trimmer is top notch.The easy start is great creating a trimmer that my wife can start.The dual line head and impressive power make short work of the biggest lawn.
Date published: 2017-08-31
Rated 5 out of 5 by from Initial impressions I've only used this trimmer three times, but so far it has lived up to my expectations (unlike my previous big-box trimmer). It starts easily, trims efficiently, stops quickly and is light enough for my 82-year-old muscles to handle. (I also bought a case of prefixed fuel, to I won't duplicate my last experience with a high-end trimmer.)
Date published: 2017-08-28
Rated 5 out of 5 by from Great trimmer for the price.. Easy start works perfect .. I use it for a small lawn property at my moms and her place looks great. Awesome home owner trimmer..
Date published: 2017-08-24
Rated 5 out of 5 by from Great product This is a great trimmer. I have only used it a couple of times and I love it
Date published: 2017-08-18
Rated 5 out of 5 by from This is very easy to run and start This trimmer is so easy to run and start love it will not buy anything else again except a stihl it also light weight.
Date published: 2017-08-18
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