A convenient, hassle-free robotic lawn care solution featuring LTE technology.
The STIHL RMI 422 PC-L Series iMOW® robotic mower introduces a higher level of convenience for homeowners without sacrificing quality or performance. A host of intelligent features —including automatically adjusting to terrain and relying on sensors to navigate obstacles —ensures iMOW delivers performance and precision. With the ability to handle slopes up to 22°, the RMI 422 PC-L is designed to cut yards up to ¼ acre in about 17 hours per week. AT&T LTE connectivity allows you to conveniently monitor and control the iMOW robotic lawn mower via your smartphone or tablet. Designed for safety, the RMI 422 PC-L automatically shuts down if flipped or lifted. Intelligent charging and scheduling mean it gets the job done regardless of the weather and it stays charged without having to remember to plug it in. Designed to fit your lifestyle and schedule, iMOW means less time mowing and more time doing what you enjoy.
Note: Installation costs not included.
View the iMOW® App
Model Features
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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.
More information
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A Beautiful Lawn in Every Way
iMow® has an edge mowing option to get a clean cut along the edges of your mowing area.
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RMI - Dealer Installation
You’ll get the personal advice and professional installation you need, right from the start, from your STIHL iMow® Dealer.
NOTE:
Installation costs not included.
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LTE Connectivity
Connect to iMOW® via AT&T LTE cellular network.
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RMI - Maximum Flexibility During Charging and Mowing
To cover a large area in a short time, iMow® can recharge faster and adjust its speed to suit the mowing conditions.
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Automated lawn mowing
Mows lawn automatically.
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RMI - More Intelligence – A Mower That Thinks
iMow® has a fully automated mowing plan tailored to your yard. It’s fast and easy to use for a great looking lawn.
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Smart lawn mowing using the STIHL iMOW® app and web portal
Manage mowing from your phone.
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RMI - Mows Evenly Across All Areas
iMow® can be programmed to mow a variety of yard layouts (like a front or back yard).
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Compact and highly maneuverable: 7.8” cutting width
Designed to cut yards up to .42 acre in about 28 hours per week.
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RMI - Quiet
iMow® mows so quietly, your neighbors will hardly notice it’s there. Plus, iMow® emits no exhaust emissions while working.
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Built-in, intuitive LED control panel
The iMOW® features an intuitive LED control panel.
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Unmatched, authorized STIHL iMOW® Dealer support
Unmatched support through authorized STIHL iMOW® Dealers.
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Automatic mowing
The iMOW® can automatically adapt to handle a variety of conditions and terrain.
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Flexible programming with user-configured “Active Times”
Adjust mowing times, even when iMOW® is in operation.
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Hood Sensor
A hood sensor allows iMOW® to work around obstacles.
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Cutting heights range from .79” – 2.4” with central cutting height adjustment
A wide range of cutting heights.
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Weather-resistant design and built-in rain sensor
Features a weather-resistant design with a built-in rain sensor.
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Auto-adjust mowing time capability
Features auto-adjust mowing time capability.
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Automatic charging
Features automatic charging.
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Powered by STIHL Lithium-Ion battery technology
STIHL iMOW® is powered by STIHL Lithium-Ion battery technology.
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Safety
If someone attempts to lift or tip the iMOW®, the mowing blade is designed to stop.
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Security and Theft Prevention
Thanks to a user-generated security PIN and geofencing technologies, the iMOW® provides users with exceptional security. Users are notified via the STIHL app if the device is removed from their yard, and the PIN can only be reset by the STIHL Branch or Distributor.
Specifications
CUTTING HEIGHT
.79” – 2.4”
DOCKING STATION CORD
32 feet
BRUSHLESS MOTOR OUTPUT
60 watts
BATTERY ENERGY CONTENT
80 Wh
Note: Battery energy content displayed is stored energy. Useable energy will be less. The battery working time specifications for each battery charge are estimates and may vary depending on how the tool is used and what is being cut.
Important Information

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.