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FS 40 C-E

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

FS 40 C-E
Rated 4.4 out of 5 by 180reviewers.
Rated 5 out of 5 by Love the Easy Start I set out to buy a battery operated weed eater because I do not like pull start equipment. Found the battery operated ones were too heavy. My husband's weed eater is too heavy for me so I wanted a different one. Ended up trying the FS 40 and fell in love with it. It truly is easy to start and somewhat lighter than others. Wish someone would make a much lighter one for us older folks.' May 16, 2016
Rated 5 out of 5 by easy to use This weedeater is easy to start and light weight enough for me to handle but has enough power to get my toughest jobs done well. May 15, 2016
Rated 1 out of 5 by Spool bump feed and placement of cutting line is horrible! Poor Engineering! This is the second Stihl trimmer I've purchased in the past month. The first purchase was a FS50. Too big. Didn't handle well. Cutting lines are on TOP of the cutting spool. I tried to trim down low along around sunken path stones and you can't do it. Poor engineering design! You might as well forget the auto bump feed working. Does not work! Had to stop every ten minutes to manually feed more line. Returned the next day. I spent the next few weeks looking at other trimmers. I decided to try the FS40. Much smaller and easier to handle. Besides, I already own the BG86 blower and I love it. So, same gas/oil/can mixture for both pieces of equipment. Same exact comments apply to the FS40 as the FS50. Horrible, horrible engineering design for the nylon cutters! Forget the auto bump feed! Couldn't finish yard work! What should have been completed in 45 minutes has now taken 2 1/2 hours and I'm not even close to being finished. I would return this today, but it's Sunday and the dealer is closed. I ordered the Durocut head yesterday when I purchased the FS40. It's supposed to arrive on Thursday. I'll give this a try. If it doesn't work, the whole things goes back on Friday. May 15, 2016
Rated 4 out of 5 by Good for small yards Have had product for only short time, used only twice, starts easily and runs well, but that should be a trait of any new product. Purchased this because of company reputation.Cutting line exhausted after only 1-1/2 uses. Small loaded line length.Cutting diameter too small, but I take the hit on this for failure to do due diligence. May 11, 2016
Rated 5 out of 5 by First stihl I got this model for I feel a reasonable price considering it was the same as the big box stores premium models. Even if it's not stihl's top of the line it still out performs those models. Anyways, used for an hour continuously weed whacking and edging sidewalks. Zero problems at all. The line that it came with is junky but it was loaded full so I'm not complaining. It seemed somewhat hard to get the line to feed at first but I haven't really had issues since. Highly recommended and I know it will last awhile based on other stihl products. May 6, 2016
Rated 1 out of 5 by Terrible line feed. The line continuously gets tangled and jammed. I can use the product maybe 10 minutes successfully, with 1 or 2 bumps to successfully release the string and then that's it. I have to stop the unit, unscrew the cap and take out the string and detangle it. Then after doing that a couple times, it's so tangled I can't even remove the stringing unit as it's so tangled and jammed. I have had an associate restring new line on it and still have the problem. I have not succesfully used this unit to comple weed whacking my entire yard without a total jam and having to take it to the dealer. Going back at lunch again today. I'll probably have to upgrade to a different type of feeder head (and of course at more cost to me). May 4, 2016
Rated 5 out of 5 by Very good trimmer for shorter people. This was my first stihl string trimmer and I love it. It has everything just right for someone who hasn't used a string trimmer before and for someone who is used to curved shaft string trimmers. April 30, 2016
Rated 5 out of 5 by Great company and great product Have owned Stihl's trimmers, blowers and chain saws for over 20 years. Finally wore out my FS 45C trimmer and purchased a FS 40 replacement and it works just as well if not better. Great products and very reasonable prices. Too bad Stihl doesn't make a car..... April 22, 2016
Rated 1 out of 5 by Questionable Quality The trimmer was always a little hard to start. It never idled smoothly, and if it died when in use it was very hard to start. It then run when started but immediately died. I did all the recommendations on exhaust screen, fresh gas, new spark plug and air cleaner. Finally I took the carburetor apart and found a small oval plug dislocated and moving around it's chamber. There was also a clear rubbery substance in the same chamber. I replaced the oval plug and staked it in place. The trimmer ran like new, but when put away the cylinder now fills with fuel and blows out the exhaust when trying to start again. I think the clear rubbery substance was the seal under the oval plug which now leaks fuel into the cylinder when not running. All I can say is I found poor quality parts with the carburetor and it undoubtedly needs a new one. Not sure I want to continue to fool with this product. April 22, 2016
Rated 5 out of 5 by Does The Job Required and Then Some Good size and very powerful. Cuts the grass, the overgrowth and then some . Was very surprised and never bogged down at all.I like the curve shaft because it give more "in" control. It is comfortable and fairly light. I have cut all day with no trouble in my yard that had much overgrowth and some narrow areas.It will be easy to maintain but you must follow the instructions carefully and everything is easy after that. I learned the hard way, but after following the instructions (sometimes not very clear) it worked fine and was no longer bothering me.Fuel bulb a bit stiff to push but a really minor thing. April 20, 2016
Rated 4 out of 5 by Powerful yet light weight Decided to find a lighter weight trimmer for the yard work. The FS40 is just that plus more. Light weight, powerful and easy to start. For me, trimming takes about 30 to 40 minutes. I can assure you this trimmer makes short work of that while not putting a hurting on my arms or shoulders as its so dang light weight. The tap and go line system is a must. The idea of the trimmer being built in the USA with a great warranty pretty much sealed the deal on buying from Stihl. Well worth the investment. April 15, 2016
Rated 2 out of 5 by Runs great Runs great; starts easy; plenty of power.All the available trimmer heads are garbage; too bad, because otherwise it is good; my advice spend a little more and get ome that accepts attachments. April 4, 2016
Rated 2 out of 5 by this is not a great product Worst product on the market does not start properly takes several try's to get it going just not user friendly October 21, 2015
Rated 5 out of 5 by Going Strong After 6 Years I've owned this model for over 6 years and am completely satisfied. Easy starting is the best thing I can say. Never takes any more than 3 or 3 pulls to start. September 27, 2015
Rated 3 out of 5 by Good trimmer but... This is a good trimmer. It has plenty of power, it is easy to start. The reason for my 3 stars is it is impossible to open the door to either restart the nylon cord or put in more. I have severe arthritis in my hands if I had known this I'm not sure I would have bought this. I think STIHL should look at this. Please make this easier. I have other trimmers that are VERY EASY to open. Also make replacing the cord easier. September 23, 2015
Rated 5 out of 5 by Excellent Product I had used the cheaper weed eaters for many years until I purchased a home with property. I burned my cheap one up and decided to go for a better brand. I was blown away with how well this product cuts and how reliable it really is. I truly believe that you get what you pay for when it comes to these type of things and will never buy another cheap one. I will buy Stihl products from now on and I am 100% happy with this model for all applicable reasons. It starts great, cuts great and the bump for more string works well every time! Never been let down by this weed eater, EVER! September 21, 2015
Rated 3 out of 5 by great product with one exception This trimmer is a powerful tool although be prepared to replace the string frequently. I was initially impressed with this product since I was replacing a battery powered trimmer which didn't have much power to take on heavier grass and weeds. This tool certainly has that power. The string which came on the unit was spent on my first use. You are constantly "tapping" to feed more line from the spool. Replacement of the line does not appear to be too difficult although I haven't tried it yet. I just hope after refilling the spool the line last longer than the initial fill, otherwise, this is going to become a tiresome job. September 16, 2015
Rated 5 out of 5 by This is a very good product I have never had a better trimmer. The FS 40 C-E has Stihl Easy 2 Start and the Stihl simplified starting system. I use it mostly to trim grass and weeds on our wooded lot. I would highly recommend this trimmer. September 11, 2015
Rated 5 out of 5 by Best trimmer I've owned! Light, powerful, and starts easy! Not much more needs to be said. September 10, 2015
Rated 5 out of 5 by Love the Fast Start (Easy) to use also recommended to my son he got one. I would recommend highly. Made in the USA also . My son also got one he liked mine so much. August 30, 2015
Rated 5 out of 5 by Great value for the money. Great trimmer, light weight, easy to start and has good balance, it does not fatigue you like older trimmers do. August 26, 2015
Rated 4 out of 5 by Easy to start but small gas tank...carry your gas can with you. Great product but gas tank too small,runs out of gas before I can finish my small yard.If you have a very large yard carry your gas can with you. August 25, 2015
Rated 4 out of 5 by How do amke you line come out with weed eating? I cant seem to find out where in the sam heck you "bang" the thing to make your string come out while you weed eat. Like when your line gets too short, and usually (with other weed eaters) the string comes out when you bang on the end....HOW DO YOU GET THE SRTING TO COME OUT!!!!!!!!!!!!!!!!! August 16, 2015
Rated 5 out of 5 by Amazing trimmer My Dad has a FS 45 that he has had for a few years now as well as a handful of Stihl chainsaws. He loves each of his Stihl items and hasn't had an issue with any of them other than normal wear and tear. He recommended that I get a Stihl for my first trimmer and let me tell you it has been the best equipment purchase I have ever made. It is super easy to use, easy to start, easy to clean and runs like a champ. Love it! August 10, 2015
Rated 5 out of 5 by awesome weedeater been wanting a Stihl for a while finally did and so glad I did.feels great less vibration, less noise, less weight, started on third pull run like a dream. have an acre and did whole yard without getting a backache,never happened before with all the other trimmers I've had .decent price too well worth the money, July 28, 2015
Rated 5 out of 5 by Will last forever with proper fuel and maintenance I'm the equipment manager at a golf course. We have three FS 45s been running them for six years other then A plugged up exhaust that is all the problems I've ever had we have recently bought an FS 40.. Been using it all summer long, expect it to be as good a machine as the 45 FS. These are home machines in a commercial setting. Each machine gets ran 20 hours a week. Would recommend for home or commercial use excellent machine! July 23, 2015
Rated 5 out of 5 by you can feel the quality I just love the FS 40 C-E its so easy to start and you can feel the quality built in the unit. no gas leaking and no exhaust fumes on cloths , just a fine piece of machinery July 21, 2015
Rated 3 out of 5 by Disappointed The trimmer starts easily enough and runs well but the forward line assist is cumbersome and often ineffective. In order to feed more trimmer line the user must push the head of the trimmer Into the ground. I find this rarely works the first time and usually requires multiple attempts. I think the design could be improved upon and I find the loading of more trimmer line to be convoluted. July 20, 2015
Rated 5 out of 5 by Lightweight and reliable I have always owned Stihl products and have always been completely satisfied with the performance. July 20, 2015
Rated 5 out of 5 by product is great great weedeater. light weight, starts easily, easy to install cord great ptoduct July 15, 2015
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