Mighty Mule FM502 Heavy Duty Dual Automatic Gate Opener Standard Combo Kit-FM502-STP at The Home Depot
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Mighty Mule

Model # FM502-STP

Internet # 100431555

FM502 Heavy Duty Dual Automatic Gate Opener Standard Combo Kit

Mighty Mule FM502 Heavy Duty Dual Automatic Gate Opener Standard Combo Kit

This item has been discontinued.
The Home Depot no longer carries this specific product.

$799.00 / each
Item cannot be shipped to the following state(s): AK,GU,HI,PR,VI


In Stock



Model # FM502-STP

Internet # 100431555

The Mighty Mule FM502-STP kit is an affordable remote controlled automatic gate opener system. Designed for the "Do-It-Yourself" installer, it is a battery operated, low voltage, system that does not require welding or an electrician. The FM502-STP gate opener kit is designed for dual swing gates up to 18 ft., or weighing up to 850 lbs. (per panel).

  • For over 25 years, Mighty Mule has been America's #1 choice in DIY gate openers.
  • Includes: FM502 dual opener kit (control box, FM150 battery, FM135 transmitter, AC transformer and mounting hardware), (2) extra FM135 transmitters, and (1) FM137 keypad
  • Includes a 12V, 7 amp/hr battery, AC transformer for charging battery
  • Gates that open away from the property will require two push-to-open brackets (FM148, not included), solar applications will require the the solar panel charging kit (FM123, not included)
  • Mighty mule accessories allow you to customize your gate opener system with automatic gate locks, vehicle exit sensors, and more

Info & Guides

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Assembled Depth (in.)  21.5 in  Assembled Height (in.)  46 in 
Assembled Width (in.)  21.5 in  Commercial/Residential Use  Residential 
Fencing Product Type  Gate Opener Kit  Gate opening style  Swinging 
Lighting Included  No  Manufacturer Warranty  18 month on openers, 12 month on accessories 
Maximum gate size (ft.)  18  Power Requirements  AC or Solar 
Product Weight (lb.)  56 lb  Remote control included  Yes 
Returnable  90-Day  Weight Capacity (lb.)  850 
Wired or Wireless  Combo 



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If product is eligible for shipping to AK, HI and US Territories additional transit time and remote surcharges may apply.