Mighty Mule® E-Z Gate® Opener, Dual Gate Opener


$989.66 EA

The Mighty Mule® dual gate opener is a heavy duty, commercial grade electric gate opener that can handle gates up to 18 feet in length or weighing up to 850 pounds per gate. This gate system is easy to install for those do-it-yourself kind of people.

Availability: In Stock -

The Mighty Mule®, FM502, dual gate opener is a heavy duty, commercial grade swing gate opener that is very easy to install. This electronic gate opener will open gates weighing up to 850 pounds or up to 18 feet long.

The FM502 comes in a standard, do-it-yourself kit, which includes 1 installation DVD, a detailed manual, one battery, a transmitter, all mounting hardware, and 18V AC transformer.

This durable opener features soft start and soft stop, adjustable auto close (0-120 seconds), adjustable gate activation alert, UL approved obstruction sensing systems, as well as an extra large control box that has room for an optional second battery (we recommend a second battery for solar and for dual applications).

The 12 Volt, DC-powered low-voltage system is powerful, dependable, and durable. The swing gate is made to use with gates that open into the property or with gates opening away from the property.


  • Might Mule ® FM502
  • Dual swing gate opener kit
  • Easy to install
  • Gate types: Chain link, tube, ornamental, aluminum, panel, wood or vinyl
  • For use with gates up to 18 feet long or 850 pounds
  • Two openers for dual gates
  • One entry transmitter
  • Installation hardware included
  • Control box (battery included)
  • 6 ft. power cable (attached)
  • 40 ft. power cable (attached
  • Receiver
  • Installation manual
  • Plug-in transformer
  • Installation video
  • Warning signs (4)
  • Solar compatible with a 10 watt minimum
  • 18 month limited manufacturer warranty

Brand: Mighty Mule

Shipping Information

Your order is important to us and we will strive to process it as quickly as possible. Most in-stock items are shipped within 2-4 business days and typically deliver in 5-7 business days. In-stock items may ship from multiple locations and can arrive on separate days. Heavy or bulky items will ship via Freight/Truck Service and will take 8-10 business days for delivery. For those immediate product needs, we do offer at an additional cost, express service from UPS and Motor freight.

Shipping costs are determined by item weight and your zipcode. Once you have entered your shipping address, city, state, and zip code into checkout, your shipping total will be calculated and available for review. Please see the shipping map below as a guide.

Return Information

Your satisfaction is our priority. If for any reason you are not satisfied with a purchase from Agri Supply, we will gladly refund your money, or exchange the item, or fix it should it break. A minimum one-year warranty applies to all non-perishable items, parts and service from Agri Supply, and all hand tools sold by Agri Supply have a lifetime warranty, regardless of the length of the manufacturer's warranty. See our Agri Supply Guarantee for more details.

To return an item... give us a call at 1-800-345-0169, or visit one of our 8 retail stores near you, and one of our friendly customer service representatives, or store employees, will be glad to assist you.

If you have any questions please contact our Customer Service representatives at 1-800-345-0169

Standard UPS Ground Shipping Map -
UPS Ground
The above shipping chart applies to UPS ground shipments to the 48 contiguous states only. Please call 1-800-345-0169 for timing on shipments to Alaska, Hawaii, and Puerto Rico, thank you!

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