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Designed for heavy duty single swing gates up to a maximum of 18 ft long or maximum weight of 850 lbs. Ideal for the DIY property owner, the MM571W is perfect for all single gate types including ornamental, chain link, tube, panel, vinyl and wood.

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Product Details

Smart Gate Control: The MM571W allows you to remotely control your gate from anywhere using the Mighty Mule smartphone app. Simply connect it to the MMS100 Wireless Connectivity Kit (sold separately) for seamless operation. With this setup, you can conveniently manage your gate even if it’s installed up to ½ mile away from your home.


Heavy-Duty Design: The MM571W is designed for heavy-duty single swing gates. It can handle gates with a maximum length of 18 feet or a maximum weight of 850 lbs. Whether you have an ornamental gate, chain link gate, tube gate, panel gate, vinyl gate, or wood gate, the MM571W is up to the task.


Quick Opening Time: When opening at a 90° angle, the MM571W takes approximately 14 seconds. The actual opening time may vary based on the weight of the gate. Rest assured, it’s efficient and reliable.


DIY-Friendly: Perfect for the do-it-yourself (DIY) property owner, the MM571W comes with detailed instructions and online how-to videos. Additionally, you’ll have access to BILT 3D interactive instructions to assist you throughout the installation process.


Warranty: The MM571W is backed by an 18-month warranty, providing peace of mind for your investment.


Solar Capable: If you’re environmentally conscious, consider adding a Mighty Mule 10-watt solar panel (Model #FM123). This makes your gate opener solar-powered, reducing energy consumption and minimizing your carbon footprint.


HomeLink® Compatible: The MM571W seamlessly integrates with HomeLink®, allowing you to control your gate using your vehicle’s built-in garage door opener buttons.


UL325 Certified: When it comes to the safety of your home, we don’t compromise. That’s why all Mighty Mule gate operators undergo rigorous testing to meet the highest safety standards set by UL325. Our commitment ensures that you get reliable and secure gate operation for your peace of mind.


WARNING: This product can expose you to chemicals including 1,3-Butadiene, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov

Smart Single Gate Opener

What's in the Box?

  • MM571W Gate Opener
  • Remote with Visor Clip
  • 12 Volt Battery (Model #FM150)
  • AC Transformer
  • Battery Enclosure
  • Mounting Hardware
  • Instruction Manual

Max Gate Length & Weight

Max Gate Length and Weight Combination

8 ft / 850 lbs

10 ft / 750 lbs

12 ft / 650 lbs

14 ft / 550 lbs

16 ft / 450 lbs

18 ft / 350 lbs

Installation Video


3D Installation Guide

Warranty Information

18 Month Warranty when purchased directly from Mighty Mule or an authorized dealer.

Register your warranty here.

FREE Shipping On All Continental U.S. Orders Over $350

Best Customer & Technical Support in the Industry

Easy DIY Installation Tutorials, Resources, and Support

Key Specs

Gate Max Weight:

300 Pounds

550 Pounds

850 Pounds

Gate Max Length:

12 Feet

16 Feet

18 Feet

Smart Capable (MMS100):




Solar Capable (FM123):




Battery Included (FM150 or MMB200)




3D Installation Guide Available?




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Make it Smart with MMS100

Mighty Mule Phone App

Get lifetime of free updates on Google Play and Apple Store. 

Control Anywhere

Manage multiple Mighty Mule smart devices and multiple locations.

Added Security

Open and close with the Mighty Mule app and check gate status anywhere with a smart phone.

Installation & Compatibility

Easily installs on gate opener control boxes. Compatible with MM37xW, MM57xW, and TS571W.

Harness the Power of the Sun (FM123)

Easy Installation

Easy DIY installation for increased power during increased use.


Perfect for homes, farms, businesses, and more.


Use with all Mighty Mule Gate Openers with their battery.

Save More!

Eligible for Federal 30% Residential Energy Efficient Property Tax Credit!

Customer Reviews

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AGO Battery and Enclosure Accessory (MMB200)

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Get notified when a vehicle drives up to the gate

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