Free on-site gate assessment - hinges, posts, and your LiftMaster or Nice gate operator checked before anything is quoted
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DoorKing Gate Parts & Welding in Grand Prairie: What to Know First
DoorKing gate parts and on-site welding in Grand Prairie typically run $225 to $625 for most hinge, post, and roller repairs, and we can usually have a truck in your driveway within a day or two. We work on DoorKing operators, hinges, posts, and gate frames, welding on site so your gate stays where it belongs. This page is for homeowners in Grand Prairie who own a DoorKing gate or operator and need straight answers about parts, welding, and what it should cost. If your gate is making noise or leaning, call Hal Gatewood at (903) 829-4499 and we’ll talk it through before anyone drives out.

How DoorKing Products Fail - and How We Fix Them
- DoorKing 6002/6003 hinge post fatigue. The 6002 and 6003 swing gate operators get bolted to posts that were never built for the constant push-pull of a 400-pound gate. In Grand Prairie’s clay soil, posts heave with every wet-dry cycle, and we start seeing horizontal cracks at the base of the hinge post within six or seven years. We don’t just replace the hinge - we cut the post, weld in a heavier sleeve, and re-anchor it below the frost line so it stops moving.
- DoorKing 9150 slide gate roller and track wear. The 9150 is a workhorse, but its V-track rollers eat themselves when the track gets packed with Grand Prairie’s fine silty dust. Owners call about a grinding noise, and by the time they hear it, the roller bearing is usually flat-spotted. We replace the roller set with sealed bearings, then weld a small debris shield at the track’s low point so fine grit can’t collect where the wheel rides.
- DoorKing 1601 barrier gate arm weld failures. Around the commercial lots off Belt Line Road and Jefferson, we see 1601 barrier arms with cracked welds at the arm clamp where some installer skipped a gusset to save twenty minutes. The arm flexes, the weld cracks, and the arm sags until it scrapes the pavement. We weld a proper gusset in place and reset the arm balance so the operator isn’t fighting a heavier load than it was rated for.
- DoorKing 9000 series hinge bolt wallowing. On the 9000 series swing gates, the factory hinge bolts are steel, but the gate frame is often aluminum. Over time, the steel bolt wallows out the hole in the aluminum frame, and the gate drops about an inch. The operator then works harder on every cycle and burns out circuit boards prematurely. We drill the wallowed holes round, weld in a steel bushing, and re-hang the gate so the geometry is factory-true.
- DoorKing keypad and lock strike mounting tabs. We see cracked mounting tabs on DoorKing 1812 telephone entry keypads and on electric strike plates, usually because someone over-torqued them or the gate frame flexed in the wind. A broken tab means the keypad rattles and the strike plate stops holding the gate closed. We weld a thicker tab in place and add a small backer plate behind the mounting surface so it doesn’t crack again.
Our DoorKing Gate Parts & Welding Process
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You call (903) 829-4499. A live person answers and asks what the gate is doing. Hal’s phrase applies here: tell us what it’s doing, and we’ll tell you what it needs.
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We look at the whole gate, not just the symptom. A sagging gate usually starts at the hinge post, not in the middle. We check the posts, hinges, frame welds, and operator mount before we touch a wrench.
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We decide OEM or aftermarket with you. DoorKing OEM parts are the right call for warranty-sensitive components like circuit boards and loop detectors. For structural iron, a quality domestic aftermarket hinge or roller is often equal to or better than OEM, and we’ll tell you the price difference before we order anything.
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We weld on site. Your gate stays in your driveway. The truck carries the welder, the grinder, and the steel stock we need. No hauling your gate across town to a shop.
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We test the operator under load. After the repair, we cycle the gate with the DoorKing operator running and watch for binding, limit switch issues, and any place the frame flexes where it shouldn’t.
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You get the 90-Day Done Right Promise in writing. If something isn’t right, one call brings us back. No runaround, no restocking fee, no disappearing act.
What DoorKing Gate Parts & Welding Costs in Grand Prairie
Most DoorKing gate parts and welding jobs in Grand Prairie land between $225 and $625. A hinge replacement with post reinforcement runs $250 to $400. A post replacement with new concrete and welded flange mounts runs $400 to $700. Slide gate roller replacement with track cleanup runs $180 to $320. Custom welding for a cracked frame or a gusset repair runs $150 to $350. What moves the price is post condition, gate weight, and whether the operator needs re-alignment after the structural work is done. Every door is different, which is why the price is quoted and agreed before any work starts. Call (903) 829-4499 and we’ll ballpark it over the phone.
Why Grand Prairie Homeowners Call Gatewood Fence & Gate for DoorKing Work
We’ve been fixing gates in Grand Prairie since 2001, and we’re still owner-operated. Hal Gatewood’s name is on the shop and on every invoice. When we work on a DoorKing gate, we’re not guessing at the brand - we service nine major gate lines, including LiftMaster, Mighty Mule, and Ghost Controls, so we know how DoorKing’s setup differs from the others. Every job carries the 90-Day Done Right Promise, stated plainly and stamped in writing. And around the Dalworth Park neighborhood, Hal’s truck has been a familiar sight for over two decades. You can drive to the shop and look him in the eye, or you can call and a live person picks up, day or night.
FAQs
Yes, we source DoorKing OEM parts through our supplier network, and we stock common hinge pins, roller sets, and mounting hardware on the truck. As an independent DoorKing service provider, we’re not tied to a single parts channel, so when a quality domestic aftermarket part makes more sense for structural work, we’ll tell you the price difference and let you decide. Call (903) 829-4499 and we’ll check availability for your specific model while you’re on the phone.
It depends on where the weld goes and what the warranty covers. Welding on the operator housing or electronics will void coverage on those components, and we won’t do it. Structural welding on the gate frame, hinge post, or mounting hardware is generally outside the scope of DoorKing’s operator warranty, but we’ll check your specific model and warranty terms before we start. The work is documented and the weld is done properly, which matters more than a warranty argument every time.
We answer every call live and aim to get a truck out the same day for emergency repairs like a gate that won’t close or a post that’s leaning into the street. For jobs that require specialty parts or extended welding, we schedule within a day or two. Call (903) 829-4499, tell us what the gate is doing, and we’ll give you a straight answer on timing before anyone drives out.
If your hinge post is solid and the gate frame isn’t rusted through, repair usually wins. We’ve saved gates other companies said were scrap by welding in new posts, re-hanging hinges, and re-balancing the operator. A gate sags in the hinge post, not in the middle, and that’s where we start. If the gate frame itself is rusting from the inside out, we’ll tell you honestly that a new gate section is the better money, and we’ll give you a written price for either path.
Yes, we run power from the operator to the control board, wire safety edges, and test the full DoorKing system including entrapment protection and reverse functions. If we find a safety edge that’s been disconnected or a photo eye that’s been zip-tied out of the way, we restore it and test it under load. That’s the kind of thing a sloppy install leaves behind, and it’s the reason a gate that worked fine for years suddenly doesn’t. Call (903) 829-4499 for a free estimate, and the price is quoted and agreed before any work starts.
Contact us: Gatewood Fence & Gate is locally owned and owner-operated. Call (903) 829-4499 and talk to a live person about DoorKing gate parts, welding, or any gate repair in Grand Prairie. Free estimates, upfront pricing, and the 90-Day Done Right Promise on every job.
Written by Hal Gatewood, Owner, Gatewood Fence & Gate at Gatewood Fence & Gate, serving Grand Prairie and nearby areas.



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