Mighty Mule MM571W Heavy-Duty Single Swing Gate Opener
Heavy-duty 12V battery-powered single swing gate opener for gates up to 18 ft (5.5 m) or 850 lbs (385 kg). 14-second opening, solar ready, smartphone control with MMS100 kit, and easy DIY installation.
2-Year Warranty
Official manufacturer coverage.
Fast Shipping
Ships within 24-48 hours.
Easy Returns
30-day money back guarantee.
Key Features
Engineered for performance and reliability.
Heavy-duty single swing gate opener — 18 ft / 850 lbs max
Fast 14-second 90° opening time
12V DC battery-powered with included battery
Solar ready — compatible with FM123/FM125 solar panels
Smartphone control via Nice G.O. app (MMS100 kit sold separately)
UL 325 certified safety sensors (included)
Built-in obstruction sensing — stops and reverses on contact
DIY-friendly with BILT 3D interactive installation guide
HomeLink compatible for vehicle-integrated control
Technical Specifications
Dimensions, power, and technical details.
Key Highlights
What's in the Box
Everything you need for installation.
MM571W gate operator unit
12V battery
Control box with built-in receiver
Remote control with visor clip
Transformer (AC to DC)
Mounting hardware kit
Safety sensor kit
Instruction manual with BILT 3D guide
Documents & Downloads
Manuals, spec sheets, and installation guides.
Installation Manual
PDF • 2.4 MB
Complete step-by-step installation guide with wiring diagrams.
Specification Sheet
PDF • 1.1 MB
Detailed specifications, dimensions, and technical data.
Programming Guide
PDF • 0.8 MB
Programming instructions and parameter configuration.
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