A Gatewood company - serving Beverly Hills, CA

Mighty Mule Gate Motor & Opener Nationwide | Gatewood Fence & Gate

Every visit starts with

Free on-site gate assessment - hinges, posts, and your LiftMaster or Nice gate operator checked before anything is quoted

The assessment is free and the quote is the invoice.

Styles & brands we work with

Wrought iron

Wood & steel frame
Wood & steel frame
Farm & ranch
Farm & ranch
Sliding driveway gates
Sliding driveway gates
LiftMaster operators
LiftMaster operators

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Mighty Mule Gate Motor & Opener in Beverly Hills: What to Know First

Mighty Mule gate motor and opener service in Beverly Hills runs $185 to $480 for most repairs, with new motor installations starting around $650 including labor. We’re an independent Mighty Mule service provider, not a factory warranty shop, which means we tell you the truth about whether that opener needs a $40 part or a full replacement. Hal Gatewood has been fixing Mighty Mule openers in Beverly Hills driveways since 2001, and most jobs are done same-day or next-day.

Technician performing professional repair on an automatic sliding gate motor nationwide

Call (559) 844-6989

This page is for the homeowner whose Mighty Mule gate stopped responding, started beeping at odd hours, or swings half-open and gives up. If that’s you, call (559) 844-6989 and tell us what it’s doing. We’ll tell you what it likely needs before we ever roll a truck. No trip charge inside the county, and every quote is locked before work starts.

How Mighty Mule Products Fail - and How We Fix Them

Mighty Mule makes a solid opener, especially for the price. But after 25 years of opening up their control boards and gearboxes in Beverly Hills, we know exactly where they wear out and what kills them early. Here’s what we actually find when we pull the cover off.

  • MM571W and MM572W control board burnout from power surges. Beverly Hills has an older grid in some neighborhoods, and the MM series boards don’t forgive a surge. Symptom: the gate goes dead after a storm or a blackout, no beeping, no movement. We test the board, check the transformer, and if the board is fried we replace it with either OEM or a proven aftermarket board that holds up better to voltage swings.
  • FM500 and FM502 linear arm motors stripping the internal gear. The FM series uses a plastic drive gear inside the arm that wears down, especially on heavy gates or when hinge posts have sagged and put extra load on the motor. You’ll hear the motor whine but the gate barely moves. We replace the gear, then fix the hinge or roller problem that caused the extra load so you don’t strip it again in nine months.
  • Mighty Mule gate won’t close all the way and reverses on its own. This is almost never the motor. It’s the safety sensor or the close limit setting drifting. Mighty Mule openers use a current-sensing system, and if the gate meets resistance from a sagging hinge or debris in the track, it backs off. We set the limits properly and address whatever is actually binding. Fix the alignment without touching the obstruction and you’ll be out there resetting it every other week.
  • MM360 and MM371W battery backup failing after two to three years. Mighty Mule battery packs are sealed lead-acid and they age out. Symptom: the gate works on AC power but dies the moment power cuts. We test the battery under load, and if it’s weak we install a fresh one and check the charging circuit so the new battery isn’t being cooked.
  • Remote range shrinking until you’re standing on the gravel before it opens. The Mighty Mule receiver on older models picks up interference from new security systems, LED bulbs, or a neighbor’s new opener on a nearby frequency. We test the antenna placement, swap the receiver module if needed, and reprogram remotes so you get the full range back from the end of your driveway.

Our Mighty Mule Gate Motor & Opener Process

When you call about a Mighty Mule opener, here’s how the job goes from the phone to a working gate.

  1. 1
    The call. A live person answers, day or night. You describe what the gate is doing or not doing. We give you an honest read on what it likely is and what it could cost before the truck leaves.
  2. 2
    The diagnostic. We come out, open the control box, test voltage to the board, check the transformer, and put the motor through its limits. We don’t guess. Hal grew up going through Santa Monica College’s welding and fabrication program, and the habit of checking everything twice never left him.
  3. 3
    The parts decision. If it needs a board, gear, or sensor, we tell you the OEM price and the quality aftermarket price. On a gate under Mighty Mule warranty, we’ll steer you to OEM so you don’t void it. On an older gate out of warranty, we often use a better-built aftermarket part that’ll last longer. You decide with the numbers in front of you.
  4. 4
    The fix. We replace what’s broken, correct what caused it, and adjust limits, force settings, and close-cycle timing so the opener isn’t fighting itself.
  5. 5
    The test. We open and close the gate ten times with a soft obstruction test to confirm it stops safely, check the manual release, and make sure the remote, keypad, and intercom all talk to the opener.
  6. 6
    The cleanup and the paperwork. We leave your driveway the way we found it, walk you through what was done, and hand you the 90-Day Done Right Promise in writing.

What Mighty Mule Gate Motor & Opener Costs in Beverly Hills

Straight numbers, because that’s how we prefer it:

  • Diagnostic service call (no trip charge inside the county): $0 with repair approved, otherwise $75
  • Control board replacement, MM series: $185 to $340
  • FM series linear arm gear repair: $160 to $280
  • Battery backup replacement: $120 to $210
  • Receiver module or remote reprogramming: $90 to $180
  • Full new Mighty Mule opener installation: $650 to $1,150 depending on gate weight and arm type
  • Intercom integration with existing Mighty Mule opener: $220 to $450

What moves the price is whether the gate is binding, whether the post has shifted, and whether you want OEM or quality aftermarket parts. We quote the exact number before any work begins. No surprises at the door, ever. Call (559) 844-6989 for a free estimate.

Why Beverly Hills Homeowners Call Gatewood Fence & Gate for Mighty Mule Work

The name on the shop is Hal Gatewood, the shop is down the road, and the phone rings to a person who knows what a Mighty Mule opener sounds like when the gear is stripped. We’ve been at this since 2001, when the toolbox was held shut with a bungee cord and we still fixed gates the right way. We do on-site welding so your gate stays in your driveway, not on a flatbed. Every job carries the 90-Day Done Right Promise in writing, and if we miss something, one call brings us back. If your Mighty Mule happens to be beyond saving, we service LiftMaster, Ghost Controls, and DoorKing too, so you get a straight recommendation rather than a sales pitch. $40 off any repair over $200, a permanent 10% discount for seniors and veterans, and a free second opinion on any written estimate. That’s the whole deal.

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