FS 46
This grass trimmer includes the same features as the FS 45, but has a longer shaft for taller users.
What do you get when you add a longer shaft to our most popular string trimmer? You get the FS 46 trimmer – an ideal combination of power and comfort for taller homeowners. Part of the STIHL HomeScaper Series™, this grass trimmer brings the same engine power, lightweight feel and agile curves found in our popular FS 45 model, but features a longer shaft and includes the TapAction™, AUTOCUT® C 5-2 cutting head for faster line reloads.
Available in limited quantities - while supplies last.
You’ll find nothing but quality components in all STIHL grass trimmers for the home. These aren’t your typical trimmers – they feature streamlined, ergonomic designs, unyielding performance and durable parts made to last year after year. Here are a few of the features you’ll find on every STIHL grass and weed trimmer:
- Multi-Function Control Handle delivers easy access to ON/OFF and throttle controls on one comfortable handle. This makes it easy to use without the operator’s hand ever leaving the handle. Some models feature a momentary stop switch, ensuring the switch is “ON” the next time you start – helping to prevent engine flooding.
- Adjustable Front Handle can be positioned for optimal comfort.
- Fuel-Efficient Engine runs longer on a tank of gasoline, reducing fuel costs.
- Heavy-Duty Steel-on-Steel Centrifugal Clutch helps reduce slippage and provides durable, long-lasting wear.
- Long-Life Engine Cylinders provide optimal cooling, lubrication and more power output per cubic centimeter of engine displacement for maximum wear life.
- Easy-Access Air Filter allows for easy filter cleaning or replacement.
- Easy-View Deflector provides easy-to-see cutting and is also designed to protect user against flying debris.
- Electronic Ignition provides easier starting and smoother running.
- High-Tech Polymer Housings are lightweight, withstand greater impact and are corrosion resistant.
- Ergonomic Design reduces fatigue and enables comfortable operation.
- Smooth Edges will not snag on clothing or brush.
- Built-in Hanger in rear allows for easy storage.
- Protected Choke Lever/Knob helps prevent damage.
- Protected Spark Plug is protected yet easy to change.
- Purge Pump Primer enables the user to prime the carburetor with fuel, providing easier starts.
- Spark Arrester Muffler has large baffles which reduce noise level and contains a screen designed to reduce the emission of sparks.
- Throttle Trigger Interlock helps prevent accidental acceleration.
- Enclosed Throttle Cables eliminate dangling and loose wires.
- Fully Lined Drive Shaft provides smooth operation and less vibration.
- Upright Fuel Tank with Retainer Cap for easy fueling.
Want to see these features in person? Visit your STIHL Dealer for hands-on demonstrations and personal assistance to find the perfect trimmer for your needs. With a STIHL grass trimmer in hand, you’ve got the power to take back your yard. Weeds and hard-to-reach grass don’t stand a chance.
STIHL is the #1 selling brand of gasoline-powered handheld outdoor power equipment in America and the Number One selling brand of chain saws in the world*. Sold and serviced through our network of independent Dealers, STIHL power tools deliver versatility and dependability. STIHL tools are German engineered, and many are built right here in America and exported to over 90 countries around the world.* To find one of the over 8,000 STIHL Dealers near you, visit the Dealer Locator.
*A majority of STIHL products are built in the United States from domestic and foreign parts and components. "Number one selling brand" is based on syndicated Irwin Broh Research as well as independent consumer research of 2009-2011 U.S. sales and market share data for the gasoline-powered handheld outdoor power equipment category combined sales to consumers and commercial landscapers.
| FS 46 Specifications | |
| DISPLACEMENT | 27.2 cc (1.66 cu. in.) |
| ENGINE POWER | 0.75 kW (1.01 bhp) |
| WEIGHT* | 4.2 kg (9.3 lbs.) |
| FUEL CAPACITY | 330 cc (11.2 oz.) |
| *Weight without cutting attachment or deflector. | |
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 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.
Model Features
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Loop Handle
A thumb screw allows the ergonomic loop handle to be easily adjusted to the desired position without tools. -
Electronic Ignition Module
The electronic ignition provides reliable starting and because it is fully enclosed, it is protected from moisture and debris for longer service life. -
Multi-Function Control Handle
Having easy access to all of the controls on one comfortable handle makes it easy to complete tasks so the operator’s hand never has to leave the handle. -
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.
Standard Features
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Common Features for Trimmers
View the features common to many STIHL trimmers.
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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No-Spill® Fuel Containers
No-Spill® fuel containers advance convenience and quality in gasoline-can design by reducing emissions of hydrocarbons from evaporation, permeation and spillage. This helps protect the environment as well as saves you on fuel costs due to waste. Each container is molded from fluorinated, high molecular weight material for low permeation. The thumb-button flow control allows filling even smaller-sized tanks reducing the risk of spilling and is designed to stop the flow automatically when the tank becomes full to prevent overflowing. Built on a wide and stable base for less likelihood of upsets and equipped with child-resistant closures, all No-Spill® containers comply with both EPA and CARB requirements. With 1¼-gallon, 2 ½-gallon and 5-gallon sizes available, you’re sure to find one that fits your needs.
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For Your Safety
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Landscaper Series Gloves
For landscapers who work extensively with their hands, the Landscaper Series Gloves from STIHL are made from strong-yet-supple deerhide leather. They provide fantastic wear properties and an excellent sense of touch and feel. The naturally soft leather provides all-day working comfort.
Materials: Deerhide leather
Available sizes: S, M, L, XL
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HP 29 Hearing Protector
Heavy machinery doesn’t have anything interesting to say – block out that noise with our most noise-reducing hearing protection. These top-quality Hearing Protectors feature padded stainless steel spring-wire headbands maintain constant pressure. So no sliding around and letting in unwanted sound waves. They’re also easy to adjust. Set a comfortable fit and get to work in peace.
Meets ANSI S3.19-1974 standard. Noise Reduction Rating (NRR) of 29 dB(A).
Available color: Orange
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How to Wind a STIHL Trimmer Head - Video
How to Start a STIHL Trimmer - Video
Cutting Heads & Blades Selection Chart (PDF)
Download Instructions on How to Rewind Your Trimmer Head (PDF)
Product Instruction Manual (PDF)
Product Safety Manual (PDF)
STIHL Limited Warranty
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