A Calder company - serving Fort Worth, TX

Mighty Mule Gate Repair in Keller, TX

Wrought ironWrought iron
Wood & steel frameWood & steel frame
Farm & ranchFarm & ranch
Sliding driveway gatesSliding driveway gates
LiftMaster operatorsLiftMaster operators
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Mighty Mule Gate Repair in Keller, TX | Calder Gate Repair Fort Worth

Most Gate Repair - Keller jobs for Mighty Mule run $180 – $340 before parts, and we can usually get a tech to your driveway the same day you call. We’re an independent Mighty Mule service provider covering Keller, TX, not a manufacturer affiliate, and the one thing that separates our work here is this: we’ve rebuilt over 400 Mighty Mule openers across North Texas and know exactly how Keller’s expansive clay soil twists and kills these specific units. Call (682) 432-9830 for a free estimate.

Technician performing professional gate opener repair on a sliding metal gate in Keller, TX

Call (682) 432-9830

Our bench techs have pulled MM371W, MM571W, and FM200 units out of Keller neighborhoods like Hidden Lakes and the Villages of Woodland Springs, diagnosed the failure, and put them back to work. We stock the full Mighty Mule control board, receiver, and armature kit lineup, and we’re the independent shop other local gate companies call when a Mighty Mule has stumped them. If you’re dealing with a gate that won’t open, a remote that barely reaches, or a ram arm that’s grinding, we can help.

Why Keller Residents Choose Us for Mighty Mule Service

Nico Alvarez, owner of Calder Gate Repair Fort Worth, learned the trade at Los Angeles Trade-Technical College and has spent years working residential and commercial gate repair across the Southwest before putting down roots serving Fort Worth and Keller. He’s known for diagnosing problems fast and explaining the fix in plain terms. No jargon, no runaround, just a clear quote and a straight answer. That’s how our whole crew operates.

Keller homeowners call us because we’re factory-familiar with Mighty Mule, not just “familiar enough.” We know which boards fail after lightning, which armature kits wear out from clay-induced misalignment, and which older models are worth reviving versus replacing. We install genuine Mighty Mule OEM boards, remotes, and limit switches whenever available, and we’ll tell you straight when a discontinued model needs a trusted aftermarket part instead of waiting eight weeks for a backordered OEM component. Every repair carries three guarantees that are non-negotiable: a written price before any work starts, a written guarantee on every repair, and a free second visit if the repair fails within the 365-Day Done Right Promise window.

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Styles & brands we work with

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

Common Mighty Mule Gate Repair Problems We Solve in Keller

  • Control board relay burn-out after thunderstorms. Keller’s summer thunderstorm season brings lightning and power surges, and a missing surge protector is the usual culprit when an MM371W or MM571W board stops responding. We re-flow or replace the board and add surge protection so it doesn’t happen twice.
  • Armature lock jamming with red clay dust. Outer Keller subdivisions with unpaved driveways generate fine packed red clay that works its way into solenoid-driven armature locks. The gate starts sticking or won’t release. We clean, re-lubricate, and seal the housing to keep the dust out.
  • Limit switch mis-trips on dual swing gates. MM571W dual gates on concrete posts that shift with Keller’s expansive clay will often see one leaf stop short or reverse mid-cycle. The limit switch is doing its job but reading a moved post. We recalibrate and, when needed, reset the post to stop the cycle.
  • Corroded receiver antenna from hail or sprinkler overspray. Remote range drops to nothing, and the usual fix is not a new remote but a corroded antenna connection. Keller hail storms and lawn sprinklers both cause it. We replace the antenna pigtail and seal the connection.
  • Twisted ram arm brackets from ground movement. This is the Keller-specific failure we see most. Mighty Mule ram arms mounted on posts without deep concrete footings get twisted out of plane as the clay swells and contracts. The armature grinds, the gate binds, and eventually the pinion strips. We straighten or replace the bracket, reset the post if it’s shifted, and recalibrate the travel limits.

Mighty Mule Service in Keller: What Local Conditions Mean for Your Equipment

Keller sits on the Woodbine Formation’s highly expansive clay, which can swell over 10% between wet and dry cycles. Our crews routinely find Mighty Mule ram arm brackets twisted as much as 6 degrees out of plane when gates are mounted on posts without deep concrete footings. That same ground movement leaves the telltale “Keller lean” skid marks in driveways after a dry spell, when an iron gate drags on its latch side. For Mighty Mule owners, a twisted bracket doesn’t just make noise, it loads the motor unevenly, strips the pinion gear, and eventually kills the control board. That’s why we don’t just swap parts in Keller. We check the post, the bracket geometry, and the gate’s swing path before we touch the opener, because fixing the opener without fixing the ground movement means you’ll call us again in eight months.

Last spring we were called to a custom wrought-iron double gate on a half-acre lot off Rapp Road in Hidden Lakes. The homeowners had an MM571W with one leaf regularly faulting. Our tech found the ground post had shifted 2 inches with clay expansion, twisting the linear armature and stripping its pinion. We reset the post on a 48-inch concrete pier, replaced the armature with an OEM gear kit, and recalibrated the limits. The gate has cycled clean through two hail storms since.

Mighty Mule Models & Products We Service in Keller

We work on the full Mighty Mule residential lineup: MM371W and MM371W311 single swing gate openers, MM571W and MM571W311 dual swing openers, FM200 and FM200311 slide gate openers, and RB741 high-cycle swing gate openers. We also service discontinued models like the MM360, where we’ll source NOS or trusted aftermarket armatures when OEM lead times fail. Electric Gate Repair in Keller for Mighty Mule systems covers motor repair, gate realignment, and smart access and intercom integration as our three biggest jobs. We repair rather than replace when a board can be re-flowed or a gear kit is intact, and we tell Keller customers straight when a 12-year-old MM571W is cheaper to replace than revive. Parts for the common MM371W, MM571W, and FM200 failures are stocked locally, which means faster turnaround for Keller jobs.

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Mighty Mule Service Pricing in Keller

Most Mighty Mule gate repairs in Keller run $180 – $340 before parts, depending on what’s actually wrong. A limit switch recalibration sits at the lower end. A control board replacement lands in the middle. A full armature rebuild with post reset runs higher, and we’ll show you the parts cost on the estimate before you approve anything. Every Keller customer gets a written price before any work starts, and the number on the invoice is the number agreed to at the door. The free estimate includes a full inspection of the opener, the gate alignment, and the post condition, because in Keller the post is often the root cause. Call (682) 432-9830 for an exact quote, estimates are free.

Technician performing professional gate opener repair on a sliding metal gate in Keller, TX

Serving Keller, TX - Our Local Coverage Area

We’re based in the Keller area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.

FAQs – Mighty Mule Gate Repair in Keller

Why does my Mighty Mule MM571W gate reverse after hitting a post that looks plumb? The post almost certainly isn’t plumb. Keller’s expansive clay shifts posts out of vertical, and the limit switch reads the moved post as the stop point, causing one leaf to reverse or stop short. We measure the post, reset it on a deeper footing if needed, and recalibrate the limits. Call (682) 432-9830 and we’ll check it.

My Mighty Mule remote works only from 10 feet away after a storm, can you fix that without replacing the receiver? Usually yes. The most common cause after a Keller storm is a corroded antenna connection or a damaged antenna pigtail from hail or sprinkler overspray, not a dead receiver. We replace the antenna, seal the connection, and range test before recommending a receiver swap. Call (682) 432-9830 for a quick diagnosis.

Is it worth replacing the control board on a 15-year-old MM371W in Keller, or should I get a new opener? At 15 years old, a new opener is usually the better call in Keller’s climate. The heat and humidity have already aged the gear train and armature, and a new board won’t fix wear that’s about to fail. We’ll give you a straight answer and a written price for either option before you commit. Call (682) 432-9830 for an honest assessment.

Can you integrate my existing Mighty Mule opener with a phone-entry system for a Keller HOA-compliant gate? Yes. We do smart access and intercom integration on Mighty Mule systems regularly. We can add a phone-entry module that works with your existing MM371W, MM571W, or FM200 opener, and we’ll handle the low-voltage wiring and programming. Call (682) 432-9830 and we’ll spec it for your HOA’s requirements.

My Mighty Mule slide gate jerks when it starts, what’s the typical cause in Keller’s clay soil? The usual cause on an FM200 in Keller is a misaligned track or a shifted post from clay movement, which binds the gate at the start of travel. The opener compensates and then surges, which you feel as a jerk. We realign the track, reset the post if it’s moved, and recalibrate the opener. Call (682) 432-9830 and we’ll smooth it out.

Service Areas Near Keller

We cover Keller, Fort Worth, North Richland Hills, Colleyville, and Haltom City. If you’re in a neighboring community, we can help. See our Mighty Mule service in Fort Worth or Mighty Mule service in North Richland Hills. For everything else, check our Keller service area page or learn more about our Mighty Mule sales & service.

Book Your Mighty Mule Service in Keller Today

Tell me what it’s doing, or not doing, and I’ll tell you exactly what it needs. Nico Alvarez and our crew handle Mighty Mule repairs across Keller, and we answer the phone 24/7 with a real person. Call (682) 432-9830 and you’ll get a written price before any work starts, a straight answer, and a gate that works. Same-day service is available for most Keller Mighty Mule repairs.

Written by Nico Alvarez, Owner at Calder Gate Repair Fort Worth, serving Keller since 2009.

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