Product Overview
The Mighty Mule Automatic Gate Opener Kit (MM571W-EST-A) is a heavy-duty, solar and smart-ready system designed for single gates up to 18 feet long or 850 pounds. This kit provides a comprehensive solution for secure and convenient gate operation, including smartphone control capabilities. It is engineered for durability and ease of installation, suitable for various applications from residential driveways to farms and businesses.

Figure 1: Complete Mighty Mule MM571W-EST-A Gate Opener Kit components.
Key Features
- Heavy-Duty Operation: Capable of handling single gates up to 18 feet in length or weighing up to 850 pounds.
- Smart Control: Includes the MMS100 Smart Bridge for smartphone app control, allowing remote operation and monitoring.
- Comprehensive Kit: Comes with a wireless keypad (MMK200), keypad mounting post (FM100), two 3-button remote controls (MMT103), and an FM130 Wireless Driveway Alarm.
- Solar Ready: Designed to be compatible with a solar panel (FM123 panel sold separately) for eco-friendly power options.
- Safety Certified: UL325 certified with audible obstruction warnings.
- Enhanced Performance: Offers greater stability and smoother, quieter performance, over 40% faster than previous models.

Figure 2: MM571W-EST Features and Benefits.
Setup and Installation
The MM571W-EST-A kit is designed for DIY installation. It includes an easy installation ruler and a detailed installation manual with how-to videos to guide you through the process. Ensure all components listed in the specifications are present before beginning installation.
Included Components:
- (1) Bracket Set
- (1) Hardware Bag
- (1) Install Ruler
- (1) Digital Keypad (MMK200)
- (1) Mounting Post (FM100)
- (1) Driveway Sensor (FM130)
- (1) Operator Arm
- (1) Control Box
- (1) Transformer
- (2) 3-button Transmitters (MMT103)
- (1) Smart Bridge (MMS100)
For interactive 3D instructions for assembly and installation, download the BILT app. This app provides easy-to-follow voice, text, and interactive 3D images, allowing you to rotate and zoom 3D images 360 degrees and replay steps instantly.

Figure 3: BILT App for Official 3D Instructions. Download the app here.
Operating the Gate Opener
The Mighty Mule gate opener offers multiple methods for operation:
- Remote Controls: Use the included 3-button transmitters (MMT103) to open and close the gate from your vehicle.
- Wireless Keypad: The digital keypad (MMK200) allows for secure entry using a programmable code. It features a sturdy mounting post and illuminated buttons for visibility.
- Smartphone App: With the MMS100 Smart Bridge, you can control and monitor your gate from anywhere using the Mighty Mule app on your smartphone. This provides convenience and security, allowing you to check gate status and operate it remotely.
- Driveway Alarm: The FM130 Wireless Driveway Alarm alerts you to approaching vehicles or visitors.

Figure 4: Smartphone app control for the Mighty Mule gate opener.
Maintenance
Regular maintenance ensures the longevity and optimal performance of your Mighty Mule gate opener. Periodically inspect the operator arm, mounting hardware, and electrical connections for any signs of wear, damage, or corrosion. Keep the area around the gate and opener clear of debris. The system is designed to withstand various weather conditions, but routine checks are recommended, especially after severe weather events.


Figure 5: Mighty Mule gate openers in various settings, demonstrating durability.
Troubleshooting
If you encounter issues with your gate opener, refer to the detailed troubleshooting section in the full installation manual. Common issues may include power supply problems, sensor obstructions, or remote control pairing issues. Ensure all connections are secure and the battery (if applicable) is adequately charged. For complex problems, contact Mighty Mule customer support.
Specifications
| Attribute | Detail |
|---|---|
| Manufacturer | Mighty Mule |
| Part Number | MM571W-EST-A |
| Item Weight | 45.4 pounds |
| Product Dimensions | 45 x 17 x 10 inches |
| Item Model Number | MM571W-EST-A |
| Batteries Required | Yes (1 12V battery required, not included) |
| Size | Single Gate Opener, Estate, Upgraded |
| Color | Black |
| Material | Metal |
| Item Package Quantity | 1 |
| Certification | UL |
| Battery Cell Type | Lead Acid |
Warranty and Support
The Mighty Mule MM571W-EST-A gate opener comes with an 18-month warranty, providing peace of mind regarding product quality and performance. For technical assistance, installation guidance, or troubleshooting, please contact Mighty Mule customer support. Support resources, including videos and web content, are also available.





