Linear Gate Motor Replacement: The Houston Owner’s Guide
A replacement Linear gate motor installed by a trained technician in Houston typically runs $650-$1,450 depending on swing arm vs. slide operator, horsepower, and whether the existing mounting hardware can be reused. We stock Linear-compatible motors and mounting kits on our trucks, and most replacements in Houston are completed same day once the model is confirmed. Most homeowners realize their motor has failed when the gate stops mid-travel, reverses for no reason, or makes a humming sound without moving - usually on the hottest Houston afternoon or during a thunderstorm when the power has fluctuated.
Which Linear Models This Applies To
Linear gate motors fall into three main series you’ll see around Houston: the Linear Pro Access line (residential swing and slide operators like the LS850, LS850DC, and LSO50), the Linear Residential series (older AC-powered swing arms and chain-drive slides), and the Linear Commercial operators (heavy-duty slide and overhead gate motors for multi-family and estate properties). The model number is stamped on a metal ID plate on the motor housing, usually on the side facing the gate post. You’ll also need the voltage - 115V residential vs. 230V commercial - and the gate’s actual weight and length, not what the builder told you ten years ago.
We carry both OEM Linear motors and quality aftermarket equivalents from US Automatic and Ghost Controls where the specs match. The aftermarket route saves roughly $120-$200 on parts, but we only use units that carry the same duty cycle and safety entrapment ratings. One compatibility gotcha: Linear’s newer DC-powered Pro Access boards use a different limit-switch harness than the older AC models. Swapping a motor without checking this means a second trip. We verify that on the phone before we load the truck.
Ironworks Gate Co. of Houston is an independent service provider. We are not affiliated with Linear LLC.
Signs Your Linear Gate Motor Replacement Is Failing
- The gate hums but won’t budge. The motor capacitor has degraded or the start winding has burned out. Houston’s heat and humidity accelerate capacitor failure - we see this most in July and August when garage temperatures hit 110°F and the motor can’t shed heat.
- The gate reverses before fully opening or closing. The internal limit switches are worn or the motor’s torque sensor is miscalibrating. On Linear slide operators, debris in the chain track can mimic this symptom, so we always check mechanical binding first.
- Intermittent operation - works fine, then stops for hours. The motor’s thermal overload is tripping due to worn bearings increasing resistance, or the control board’s relay is failing under load. Houston’s voltage fluctuations during storm season make this worse.
- Grinding or squealing during travel. The motor’s internal gearbox has lost lubrication or the bronze worm gear is stripping. Linear’s older AC motors used a heavier grease that separates in sustained heat; the gear teeth wear into a rounded profile and the motor labors.
- The remote works, but the gate doesn’t respond at all. If you hear a click at the control box but no motor sound, the motor’s start capacitor or the board’s motor relay has failed. We test amperage draw at the motor leads to confirm before quoting replacement.
Replacement Cost & What’s Included
| Component | Typical Range (Houston) |
|---|---|
| Linear-compatible swing motor (1/2-3/4 HP) | $380-$620 |
| Linear-compatible slide motor (1/2-1 HP) | $450-$780 |
| Commercial-grade Linear slide operator | $890-$1,200 |
| Labor, removal, installation & calibration | $270-$380 |
| Mounting hardware / adapter brackets (if needed) | $45-$120 |
| Total installed replacement | $650-$1,450 |
What moves the needle: gate weight over 800 lbs requires a heavier motor; converting from an old AC unit to a modern DC operator adds a control board upgrade; and estate gates in River Oaks or Memorial with stone pillars often need custom mounting fabrication. We settle the full price before we start - no surprises on the bill. Every replacement carries our 90-Day Done Right Promise, written, no paperwork, no arguing. We also stock parts for LiftMaster, Mighty Mule, and Ghost Controls if your setup is mixed-brand.
DIY or Call Us?
There’s a safe middle ground here. A homeowner can verify power at the outlet, check the breaker, clear debris from the track, and confirm the manual release disengages properly. These checks save us both time and you a trip charge.
Where DIY goes wrong: a gate motor weighs 35-65 pounds and mounts with the gate in a specific position. Drop it, and you’ve bent the arm or stripped the gearbox housing. Worse, 115V or 230V wiring mistakes can fry the new motor’s control board before the gate moves once. The entrapment sensitivity settings - how much force the gate applies before reversing - must be calibrated with a force meter, not by feel. Get this wrong and someone gets hurt. We will tell you what it needs, not what sells. If your motor is truly failed, call (888) 799-8389 and we’ll confirm the model match over the phone.
FAQs
In Houston’s climate, a properly maintained Linear residential gate motor typically lasts 10-14 years. The killer is heat plus voltage fluctuation - motors in unshaded west-facing installations, common in Katy and Sugar Land subdivisions, often fail closer to 8 years. Call (888) 799-8389 for an $89 Seasonal Tune-Up that extends motor life.
Sometimes. Capacitor and limit-switch repairs are economical. But if the gearbox is stripped or the motor windings are burned, replacement is the only reliable fix - rebuilt motors fail again within a year in our experience. We’ll test and give you both options with prices.
Most Linear gate motor replacements take 2-3 hours from arrival to calibrated operation. If we need to fabricate mounting brackets for an older gate frame, add an hour. Same-day completion is standard when we have confirmed your model.
We stock the most common Linear Pro Access and residential motors, plus mounting kits and control boards. For older or commercial models, we source overnight from our Houston distributor. You’ll know before we dispatch whether same-day is possible.
Ready to get your gate working again? A live person answers our phone 24 hours a day, 7 days a week - no voicemail, no callback queue. Call (888) 799-8389 for a free estimate on your Linear gate motor replacement. Mention this page for $50 off any repair over $250, or ask about our free second opinion if you already have a written estimate. Senior and veteran discounts apply.
Written by Dale Briscoe, Owner, Ironworks Gate Co. of Houston at Ironworks Gate Co. of Houston, serving Houston and nearby areas.