A professional grass trimmer that starts quickly and has great power.
Trim circles around other professional trimmers with the STIHL FS 111 RX trimmer. It provides 30% longer run times than the FS 100 RX to help get to the job done quicker. It also saves users time with a simplified three-step start procedure. Through its semi-automatic choke lever and one-touch stop, the FS 111 RX allows users to turn off the engine with the simple press of a button. Thanks to its high-powered and low exhaust emission engine, this straight, hollow steel shaft trimmer is dependable and practical. Additionally, its loop handle makes for excellent maneuverability around landscaping obstacles. The FS 111 RX is the perfect choice for professionals with demanding trimming needs.
Made in America
A majority of STIHL products sold in America are made in America of U.S. and foreign materials.
IntelliCarb™ Compensating Carburetor
The IntelliCarb™ Compensating Carburetor measures the air pressure on the clean side of the air filter and adjusts the metering diaphragm in the carburetor. This keeps the RPM at a consistent level, even when the air filter begins to clog.
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.
Protected or Enclosed Control Cables
Eliminate dangling and loose wires.
Upright Translucent Fuel Tank
Allows operator to easily check fuel level before starting work. Upright position makes it easier to refill.
Air Filter Cover
Easily removed for fast and easy filter cleaning or replacement.
Loop Handle (R)
Loop handle grass trimmers and brushcutters are ideal for trimming between bushes and shrubs and other areas where space is limited.
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.
Protected Spark Arrestor Muffler
Has large baffles which reduce noise level and contains a screen designed to reduce the emission of sparks.
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.
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.
Throttle Trigger Interlock
Must be depressed before the trigger can be activated.
STIHL has a system for minimizing the vibration levels of handheld outdoor power equipment. The STIHL anti-vibration system helps reduce operator fatigue and provides a more comfortable working experience.
Cutting Heads & Blades Selection Chart
Need help selecting a cutting head or blade for your STIHL trimmer or brushcutter?
Protected Spark Plug
Protected yet easy to change.
Heavy-Duty Steel-On-Steel Clutch
Centrifugal clutch is designed to reduce slippage.
Shoulder Strap / Carrying System
Using a shoulder strap or carrying system helps distribute the weight of the equipment for increased operator comfort and improved maneuverability.
Adjustable front handle
Adjusts for comfort.
Fully Lined Drive Shaft
Provides smooth operation and less vibration.
High Tech Polymer Housing
Housings are lightweight, withstand greater impact and are corrosion-resistant.
Protected Choke Lever/Knob
Helps prevent damage.
There's high-performance STIHL trimmer line for every operating condition.
Straps and Harnesses
They distribute the load from your hands to your shoulders. They also help reduce operator fatigue and make it easier to use trimmers, brush cutters and clearing saws for extended periods.
Trimmer Heads & Blades
Many trimmer heads and blades are available. Find out which ones to use with this model in this chart.
Note: Weight displayed does not include cutting attachment or deflector.