Linear Gate Motor Replacement Nationwide

Linear Gate Motor Replacement: The Duncanville Owner’s Guide

A Linear gate motor replacement in Duncanville typically runs $550 to $1,100 installed, depending on the model and whether the arm, control board, or power supply needs changing with it. We stock the most common Linear actuator arms and control boards on our trucks and can usually have your gate running the same day we arrive. Most homeowners find out their Linear motor has failed on a Monday morning, with the gate stuck half open and a car trapped on one side of it. The motor hums, or clicks, or does nothing at all, and suddenly a gate that worked for fourteen years is a project you did not plan for.

Call (903) 532-2236

We have been called out to Linear systems all over Duncanville, from the older residential swing arms near Red Bird to the heavier estate gates off Wheatland Road. Victor Salinas grew up off Clark Road in Duncanville, so when a homeowner tells us their gate quit at the worst possible time, we know exactly what they are dealing with. The good news is this: a Linear motor replacement is one of the most straightforward gate repairs we do, and when it is done correctly, it is a repair you will not have to think about again for a long time.

Which Linear Models This Applies To

Linear makes two main families of residential gate motors: the LRA swing arm series and the LS/OSCO slide gate operators. Within those families, the part numbers change by rail length, stroke distance, and whether the motor is AC or DC powered. The most common Linear swing arm motors we replace in Duncanville are the LRA-15, LRA-30, and LRA-50, with the number referring to the actuator’s stroke length in inches. If your gate leaf is wider than 14 feet, you probably have a 30-inch or 50-inch arm; narrower single gates usually run on a 15-inch stroke.

Here is the compatibility gotcha that bites homeowners who order parts online: a Linear LRA-30 from 2005 and a Linear LRA-30 from 2019 are not always a drop-in match. Linear changed the internal limit switch design and the wiring harness connector on newer units. The mounting bolt pattern stayed the same, but the plug is different, and the control board expects a different signal. We see this at least twice a month: a homeowner buys a used or new-old-stock arm on eBay, and the connector does not match the board on their gate. Match the serial number on your existing arm, not just the model number, before you buy anything.

One thing to say plainly: Ironworks Gate Co. is an independent service provider. We are not affiliated with Linear, and we are not a Linear dealer. What we are is a company that has been opening up these motors and understanding how they fail for decades. We stock OEM Linear arms and control boards where they make sense, and we also keep proven aftermarket equivalents for discontinued Linear models. If your Linear actuator was discontinued, we can nearly always source a compatible replacement that bolts into the same location and talks to the same board. We also keep parts for LiftMaster, Mighty Mule, and Ghost Controls gates on hand, so if a repair call turns into a replacement conversation, the solution is usually on the truck.

Signs Your Linear Gate Motor Replacement Is Failing

• The gate moves slower than it used to, especially in the morning. This is usually the first warning. The internal gears are wearing, or the motor is drawing more current than the board wants to give it. In Duncanville, the temperature swing between a cold February morning and an August afternoon ages these motors faster than the manufacturers’ lifespan estimates assume.
• The gate stops at random points and reverses. On Linear arms, this is often the limit switch inside the actuator failing. The motor still works, but it has lost its sense of where the gate is. Some owners live with this for months, resetting the limits every few weeks. The reset will stop working eventually.
• You hear a grinding or clicking from the arm itself. That is metal on metal inside the gear train. Linear actuators are sealed units; you cannot open them and grease the gears like a chain drive. The sound means the gear teeth are already wearing, and the arm is on borrowed time.
• The control board shows a fault light but the arm never moves. This one is tricky, because it can be the board, the capacitor, or the motor. We diagnose it by testing the board’s output first, then the motor’s draw. The motor replacement only happens if we can prove the motor is the failed part, not a guess.
• The gate hums but will not move at all. The motor is getting power and trying to turn, but the gear reduction has seized or stripped. On a Linear arm, this almost always means a full actuator replacement, not a component repair.

Replacement Cost & What’s Included

In Duncanville, a Linear actuator arm replacement runs $400 to $750 for the part, with labor adding $150 to $350 depending on access, gate weight, and whether we are reusing the existing mount or fabricating a new one. If the control board failed with the motor, add $175 to $400. A full motor-and-board replacement on a heavy estate gate lands around $850 to $1,100. The price is quoted and agreed before any work starts, and the number we quote is the number on the bill.

Every Linear motor replacement includes the arm, the new hardware, re-setting the open and close limits, testing the safety edges and photo eyes, and a full cycle test under load. We also check the gate’s hinges and the arm’s mounting point while we are there, because a worn hinge is often what killed the motor in the first place. The work is backed by our written 90-Day Done Right Promise: if it is not right, we come back and make it right. No paperwork, no arguing.

DIY or Call Us?

There are things a homeowner can safely do before calling us. You can check the breaker, inspect the arm for obvious physical damage, and make sure nothing is blocking the gate’s path. You can note the exact model and serial number from the label on the arm. That information saves time when you call.

What you should not do is open a Linear actuator and attempt a motor swap yourself. The arm is under spring tension, and the internal gears are not designed to be serviced in the field. We have repaired more than one gate that a well-meaning homeowner took apart on a Saturday and could not get back together. If your Linear motor is done, call (903) 532-2236. We will give you an honest read on the part, the price, and the timeline before we touch a tool.

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