The largest size line you can use with this trimmer is .130 inches (3.3mm).
Stihl Gas-Powered Straight Shaft Trimmer, 1.4 HP, 16 1/2in. Cutting Width, Model# FS 111RX

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

Click or Tap image to Zoom
Shipping:
Not availableIn Store Only:
- Simplified starting system lets you just pump the fuel primer, set the choke and pull the starter cord
- Built-in stop switch allows the user to turn off the engine with a simple press of the button
- Throttle lock automatically returns to the ìstartî setting, leaving the tool ready to be started next time you want to get back to work
- Air filter cover can be easily removed for fast and easy filter cleaning or replacement
- Protected or enclosed control cables eliminate dangling and loose wires
See full description
Description
Key Specs
Reviews
Q & A
Accessories
Warranty
Compare
Product Summary
This item may be purchased at select Northern Tool Stores. Not available for online order at NorthernTool.com.
What's Included
- (1) Straight shaft trimmer
Features + Benefits
- Simplified starting system lets you just pump the fuel primer, set the choke and pull the starter cord
- Built-in stop switch allows the user to turn off the engine with a simple press of the button
- Throttle lock automatically returns to the ìstartî setting, leaving the tool ready to be started next time you want to get back to work
- Air filter cover can be easily removed for fast and easy filter cleaning or replacement
- Protected or enclosed control cables eliminate dangling and loose wires
- Heavy-duty steel-on-steel centrifugal clutch is designed to reduce slippage
- Protected spark plug is sheltered from the elements but remains easy to change
- Protected spark arrestor muffler has large baffles which reduce noise level and contain a screen designed to reduce the emission of sparks
- Upright translucent fuel tank is easy to refill and allows operator to easily check fuel level before starting work
- IntelliCarb™ Compensating Carburetor measures the air pressure on the clean side of the air filter and adjusts the metering diaphragm in the carburetor keeping the RPM at a consistent level, even when the air filter begins to clog
- Purge Pump Primer enables the user to prime the carburetor with fuel, reducing the possibility of engine flooding and enabling easier starting
- Loop handle design is ideal for trimming between bushes and shrubs and other areas where space is limited
- Multi-function control handle provides easy access to all of the controls on one comfortable handle, making it easy to complete tasks without ever having to remove hands from the handle
- Anti-vibration system minimizes the vibration levels of handheld outdoor power equipment, reducing operator fatigue and providing a more comfortable working experience
- Shoulder strap/carrying system helps distribute the weight of the equipment for increased operator comfort and improved maneuverability
- Adjustable front handle adjusts to the needs of the user for optimum comfort
- Fully-lined drive shaft provides smooth operation and less vibration
- High Tech polymer housing is lightweight, withstands greater impact and is corrosion-resistant
- Protected choke lever/knob helps prevent damage
- Environmentally conscious Reduced-Emission Engine Technology produces zero to low exhaust emissions, performing cleaner than EPA and/or CARB exhaust emission standards
Key Specs
| Attribute | Specification |
|---|---|
item# | 638471 |
Brand | Stihl |
Manufacturer's Warranty | 24 months parts/24months labor |
Ship Weight | 11.0 LB |
Product Type | Trimmers |
Primary Power Source | Gas |
Max. Cutting Width | 16.5 in |
Cutting Width (in.) | 16 1/2 |
Displacement (cc) | 31.4 |
Min. Cutting Width | 16.5 in |
Engine Displacement | 31.4 cc |
| Attribute | Specification |
|---|---|
Fuel Tank Capacity | 0.75 qt |
Cordless | Yes |
Horsepower | 1.4 HP |
Line Diameter | 0.1 in |
Engine Type | 2-Cycle |
Shaft Type | Straight |
Shaft Length | 50 in |
CARB Compliant | No |
Start Type | Pull |
Tool Weight | 11 |
Reviews
Questions & Answers
Questions
-
· 7 months ago
What is the biggest line I can use with the FS111?
1 answer-
ProductExpert6· 7 months ago
Helpful?
-
-
· 4 years ago
what is the oil/gas ratio..?
1 answer-
ProductExpert29· 4 years ago
This trimmer requires a 50:1 gasoline to oil mixture ratio.
Helpful?
-
-
· 6 years ago
IS THIS A TWO STROKE OR FOUR STROKE? MIXED GAS??
1 answer-
ProductExpert7· 6 years ago
This is a 2 stroke that uses an oil/gasoline mixture for fuel.
Helpful?
-
Accessories We Recommend
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.
Warranty
Manufacturer's Warranty
24 months parts/24months labor
Extend Your Warranty Coverage with a Northern Protection Plan (NPP)
Repair Plan — 1 Year
A Northern Protection Plan is available after adding the product to your shopping cart.
Compare with Most Popular in Trimmers + Brush Cutters
See All Trimmers + Brush Cutters
See All Stihl Trimmers + Brush Cutters
Currently Viewing This Product
Item # 638471
$519.99Shipping:
Not availableIn Store Only:
- $629.99
Shipping:
Not availableIn Store Only:
Sold only in stores - 3 in stock at Fredericksburg VA
- $489.99
Shipping:
Not availableIn Store Only:
- $569.99
Shipping:
Not availableIn Store Only:
Sold only in stores - 2 in stock at Fredericksburg VA
Specifications
Trimmers
Trimmers
Multi-task tool
Trimmers
Gas
Gas
Gas
Gas
16.5 in
16.5 in
-
16.5 in
16 1/2
16 1/2
-
16 1/2
31.4
36.3
31.4
36.3
16.5 in
-
-
-
31.4 cc
36.3 cc
31.4 cc
36.3 cc
0.75 qt
0.75 qt
-
0.75 qt
Yes
Yes
Yes
Yes
1.4 HP
1.9 HP
1.4 BHP
1.9 HP
0.1 in
0.095 in
-
0.095 in
2-Cycle
-
-
-
Straight
Straight
Straight
Straight
50 in
-
-
-
No
-
-
-
Pull
-
-
-
11
12.8
9.7
12.1
-
24 oz.
-
0.75
See All Trimmers + Brush Cutters
See All Stihl Trimmers + Brush Cutters
Recently Viewed Items
This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.




