This item is sold fully assembled.
Stihl FS Series Gas-Powered Straight Shaft String Trimmer, 16.5in. Cutting Width, 36.3cc, 1.9 HP, Model# FS 131

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Shipping:
Not availableIn Store Only:
Sold only in stores - 2 in stock at Fredericksburg VA
- Simplified starting with semi-automatic choke lever and one-touch stop
- Low emission STIHL engine delivers dependable power and fuel efficiency with a larger fuel tank that delivers 30% longer run times when compared to previous models
- AutoCut® tap and go cutting head automatically feeds out new line with just a tap on the ground
- Shoulder strap carrying system with support strap helps evenly distribute equipment weight for increased operating comfort and maneuverability
- Fully-lined drive shaft provides smooth operation and less vibration
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Description
Key Specs
Reviews
Q & A
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) String trimmer
Features + Benefits

- Simplified starting with semi-automatic choke lever and one-touch stop
- Low emission STIHL engine delivers dependable power and fuel efficiency with a larger fuel tank that delivers 30% longer run times when compared to previous models
- AutoCut® tap and go cutting head automatically feeds out new line with just a tap on the ground
- Shoulder strap carrying system with support strap helps evenly distribute equipment weight for increased operating comfort and maneuverability
- Fully-lined drive shaft provides smooth operation and less vibration
- Lightweight, high-tech polymer housing withstands hard impacts and is corrosion resistant
- Protected choke lever/knob helps prevent accidental damage
- Easy access multi-function control handle has start/run/stop controls located right on the handle for comfort and easy task completion without having to remove hands from the handle
- Throttle Trigger interlock system helps prevent accidental activation
- Easy access air filter cover for fast and easy filter cleaning or replacement
- Protected/enclosed control cables eliminate dangling and loose wires
- Heavy-duty steel-on-steel centrifugal clutch is designed to reduce slippage
- Easy-to-change spark plug is protected from the elements
- Spark arrestor muffler features large baffles to reduce noise level and a screen helps reduce the emission of sparks
- Upright, translucent fuel tank for quick, one-glance fuel level checks
- Purge pump primer delivers fuel directly to the carburetor to help promote quicker starts
- Reduced emission engine technology produces zero or low exhaust emissions that are cleaner than EPA and/or CARB exhaust emission standards
- Bike handle design provides excellent cutting control
Key Specs
| Attribute | Specification |
|---|---|
item# | 63944 |
Brand | Stihl |
Manufacturer's Warranty | 2 year limited warranty |
Ship Weight | 19.0 LB |
Product Type | Trimmers |
Primary Power Source | Gas |
Max. Cutting Width | 16.5 in |
Cutting Width (in.) | 16 1/2 |
Displacement (cc) | 36.3 |
| Attribute | Specification |
|---|---|
Fuel Tank Capacity (qt.) | 24 oz. |
Engine Displacement | 36.3 cc |
Fuel Tank Capacity | 0.75 qt |
Cordless | Yes |
Horsepower | 1.9 HP |
Line Diameter | 0.095 in |
Shaft Type | Straight |
Tool Weight | 12.8 |
Reviews
Questions & Answers
Questions
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· a year ago
Fs131 #63944 is it assembled and ready to go??
1 answer-
ProductExpert5· a year ago
Helpful?
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· 2 years ago
Can you run other attachments
1 answer-
ProductExpert7· 2 years ago
This is not compatible with other attachments.
Helpful?
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· 2 years ago
Do you carry a body harness?
1 answer-
ProductExpert30· 2 years ago
Northern Tool does not carry a body harness for this model at this time.
Helpful?
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· 3 years ago
4 stroke??
1 answer-
ProductExpert38· 3 years ago
This is equipped with a 2 cycle engine.
Helpful?
-
Warranty
Manufacturer's Warranty
2 year limited warranty
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.
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Specifications
Trimmers
Trimmers
Trimmers
Trimmers
Gas
Gas
Battery
Battery
16.5 in
16 in
15 in
14 in
16 1/2
16
15
14
36.3
25
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24 oz.
0.27
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36.3 cc
25 cc
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0.75 qt
0.27 qt
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Yes
Yes
Yes
Yes
1.9 HP
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0.095 in
0.095 in
0.095 in
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Straight
Straight
Straight
Straight
12.8
10.5 (dry weight)
7.33 lb
9.3 lbs. w/AK 200 battery
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14.0000 lb
19.18 lb
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36.0 x 10.625 x 11.625 in
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Lithium-ion



