$439.00
- %

Designed for medium duty single swing gates up to a maximum of 16 ft long or maximum weight of 550 lbs. Ideal for the DIY property owner, the MM371W is perfect for all single gate types including ornamental, chain link, tube, panel, vinyl and wood.

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Product Details

Due to current government tariffs, a temporary surcharge of 10% will be applied to this product. The final price will be shown during checkout.

 

The Mighty Mule MM371W automatic gate opener brings effortless access and reliable security to your driveway. Designed for single swing gates up to 16 feet long or 550 lbs, this easy installation gate opener lets you take control with a wireless remote or smartphone.

  • Versatile Gate Compatibility: Powers single swing gates up to 16 ft long or weighing up to 550 lbs, making it ideal for most residential driveways.

  • Wireless Gate Opener: Use the included remote control to open and close your gate from the comfort of your car or home.

  • Smart Gate Opener Option: Add the MMS100 module to connect your gate opener to your smartphone for seamless, app-based operation.

  • DIY Gate Opener Kit: Comes with all mounting hardware and step‑by‑step instructions—no electrician or contractor needed.

  • Solar Powered Gate Opener Ready: Pair with the FM123 or FM125 solar panel kit to run on renewable energy and reduce your electricity costs.

  • Built‑In Safety & Security: Features UL325‑certified safety sensors to stop gate movement on obstruction and prevent unauthorized access.

  • Not rated for use on solid surface gate(s). A solid surface gate is one with more than 30% total coverage.

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

What's in the Box?

  • MM371W Gate Operator
  • Remote with Visor Clip
  • AC Transformer
  • Control box
  • Mounting Hardware
  • Instruction Manual

Battery (MMB200) is not included and is required.

Max Gate Length & Weight

Max Gate Length and Weight Combination

8 ft / 550 lbs

10 ft / 500 lbs

12 ft / 450 lbs

14 ft / 400 lbs

16 ft / 350 lbs

Installation Video

Poster

3D Installation Guide

Warranty Information

12 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):

No

Yes

Yes

Solar Capable (FM123):

Yes

Yes

Yes

Battery Included (FM150 or MMB200)

No

No

Yes

3D Installation Guide Available?

No

Yes

Yes

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Mighty Mule 272 Dual Gate Operator (MM272)

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Mighty Mule 372 Smart Dual Gate Operator  (MM372W)

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Mighty Mule 572 Smart Dual Gate Operator (MM572W)

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Make it Smart with MMS100

Nice G.O. 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.

Learn More

Harness the Power of the Sun (FM123)

Easy Installation

Easy DIY installation. Great solution if you do not want to run power wires.

Versatile

Perfect for homes, farms, businesses, and more.

Compatibility

Use with all Mighty Mule Gate Openers with their battery.

Save More!

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

Frequently Asked Questions

What gate size and weight can the Mighty Mule MM371W single swing gate opener support?

The Mighty Mule MM371W single swing gate opener is designed for medium duty gates up to 16 ft long or weighing as much as 550 lbs

Can the MM371W smart gate opener connect to a smartphone?

Yes, the MM371W is smart gate opener capable when paired with the MMS100 Wireless Connectivity Kit, allowing remote control and monitoring via a smartphone and the Nice G.O. App

Is a solar gate opener option available for the MM371W?

Yes, the MM371W can be converted into a solar gate opener by adding the FM123 or FM125 solar panel accessory for energy-efficient operation

How difficult is the installation of this DIY gate opener kit?

The MM371W comes as a complete DIY gate opener kit with clear instructions for easy homeowner installation using a standard 12 V battery. Use the BILT 3D Installation App for easy 3D instructions and step by step guide

What safety features does the automatic gate opener offer?

The MM371W automatic gate opener features Dual Sense Technology™, which stops and reverses the gate upon obstruction, and meets UL325 safety standards

Which types of gates work with this 12 V gate opener?

This 12 V gate opener is compatible with ornamental, chain link, tube, panel, vinyl, and wood gates for versatile installation

What are the operational temperature limits for this screw drive gate opener?

The low-friction screw drive gate opener operates reliably in temperatures from -5 °F to +160 °F, ensuring year‑round performance

Does the MM371W DIY gate opener come with a warranty?

Yes, the MM371W DIY gate opener kit includes a 12‑month warranty when purchased directly from Mighty Mule or an authorized dealer

Customer Reviews

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Tube Gate Brackets (MMTGB)

Easily install your gate opener for your tube gates

$39.00

AGO Battery and Enclosure Accessory (MMB200)

Required for Mighty Mule Gate Openers. Battery not included for MM27X and MM37X

$109.00

Mighty Mule Driveway Alarm (FM231)

Get notified when a vehicle drives up to the gate

$85.50
See all accessories

We Made it Easy

Easy 3D Installation Guide

Experience a smoother and quicker installation with the BILT App. It provides guidance through audio, text, and animated images. You can zoom in, rotate the view 360 degrees, and replay steps instantly for a better understanding. Don’t forget to leave a rating and review after your experience. You can also register your product and access warranties directly through the app. 

 

The BILT App is available on both iPhone and Android devices. Enjoy a hassle-free experience!

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

Best Customer & Technical Support in the Industry

Easy DIY Installation Tutorials, Resources, and Support

Technical Support on Products

Our technical support team is dedicated to assisting you with any issues or questions you may encounter. Additionally, we leverage cutting-edge technologies to facilitate the seamless installation of your gate opener.

Help Center

Comprehensive online knowledge desk that will answer most of your questions.

Help Desk

BILT

3D Installation Guide on your phone.

Manuals

Manuals to products. See Manuals

Installation Videos

Videos to help. See Videos