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.
Linear Gate Motor Replacement: The Hialeah Owner’s Guide
Linear gate motor replacement in Hialeah typically runs $680 to $1,450 installed, depending on whether we’re matching a single swing arm or a dual-slide commercial-duty unit. We stock the common Linear actuator and slide-gate motor assemblies on our trucks, and most replacements in Hialeah are completed same day once the model is confirmed. Homeowners usually discover the motor has failed when the gate stops mid-travel, reverses for no clear reason, or clicks without moving, especially after a summer storm or during the humid stretch from June through September.
Which Linear Models This Applies To
Linear gate motors fall into three main families, and getting the match right matters because the mounting footprints differ. The Linear ACT series (ACT-31, ACT-34, ACT-52) covers light-to-medium residential swing gates, typically single-family homes in Hialeah Gardens or along East 49th Street. The Linear PROSWING and PROACCESS lines handle heavier residential and light commercial swing gates, the kind we see on duplex properties near Westland Mall. For slide gates, the Linear SL series (SL-100, SL-200, SL-300) runs on rack-and-pinion drives, with the SL-300 rated for continuous-duty cycle at gates up to 30 feet.
To identify your unit, check the data label on the motor housing. The part number, voltage (115V or 230V), and duty-cycle rating (typically 20% or 100%) are stamped there. If the label is sun-faded, which happens fast in Hialeah’s UV exposure, measure the actuator stroke length and note whether the arm is chain-driven or direct-screw. We carry both OEM Linear motors and quality aftermarket equivalents from US Automatic and GTO/PRO. For most Hialeah residential jobs, the aftermarket unit matches the duty rating at roughly 15% less cost. On commercial sites with high cycle counts, we recommend sticking with OEM to preserve the factory control-board compatibility.
One compatibility gotcha: Linear’s newer ACT-34 units use a 4-pin limit-switch connector, while the ACT-31 used 6-pin. Swapping without checking the pinout fries the control board. We verify that before quoting.
Signs Your Linear Gate Motor Replacement Is Failing

- The gate stops at the same point every time. This usually means the internal limit switch in the Linear actuator is worn or the potentiometer has drifted. In Hialeah’s humidity, corrosion on the switch contacts accelerates this, and we see it most often on gates installed before 2018.
- You hear the motor run but the gate doesn’t move. The gearbox has stripped or the shear pin has failed. On Linear slide-gate motors, the nylon drive gear is designed to sacrifice itself before the rack strips, a $45 part versus a $280 rack replacement.
- Intermittent operation that clears after power cycling. The motor’s thermal overload is tripping, either from internal winding degradation or from the gate running harder than spec due to hinge corrosion or track misalignment. We check the mechanical load before swapping the motor.
- The remote works from 10 feet but not from the street. This is often misdiagnosed as a receiver issue. A failing Linear motor drawing excess amperage can pull the control-board voltage low enough to weaken the RF output. We test motor current draw before chasing antenna problems.
- Visible oil or grease leaking from the actuator tube. The internal seal has failed. Once moisture enters a Linear screw-drive actuator, the bronze nut and steel screw gall together within weeks. In Hialeah’s salt-air corridor near the Palmetto Expressway, this happens faster than inland.
Before
AfterReplacement Cost & What’s Included
| Service | Typical Range in Hialeah |
|---|---|
| Linear ACT series swing-gate motor (single, installed) | $680 - $895 |
| Linear PROSWING / PROACCESS (single, installed) | $825 - $1,150 |
| Linear SL slide-gate motor (residential, installed) | $950 - $1,250 |
| Linear SL-300 commercial slide-gate motor (installed) | $1,150 - $1,450 |
| Aftermarket equivalent (where applicable) | 15% below OEM ranges above |
| Additional if control board replacement needed | $180 - $340 |
What drives the range: motor size and duty rating, whether the existing mounting bracket is reusable, and whether the control board was damaged by the failing motor. Every quote we write in Hialeah lists these line items separately before any work starts. Under Haven Standard Clause 1, the price you sign is the price on the invoice. The 365-Day Done Right Promise covers the motor, the labor, and any related adjustment we make during installation. We also photograph the old unit’s part number, the new unit’s limit-switch settings, and the final gate position before we leave.
DIY or Call Us?

There’s a safe middle ground here. A homeowner can verify the model number, check that the breaker hasn’t tripped, and confirm the manual release works. If the gate moves freely by hand, the mechanical track or hinge is probably fine.
Where DIY goes wrong with Linear gate motors: the actuator stores spring energy even at rest, and the 115V or 230V supply stays live at the control board unless the breaker is locked out. We’ve seen stripped gears from mismatched actuator stroke lengths, and we’ve replaced control boards that were fried by reversing the limit-switch wiring. The motor itself weighs 18 to 35 pounds and mounts with specific torque specs; over-tightening cracks the aluminum housing.
We carry the common Linear motors, the mounting hardware, and the control boards on our trucks. Call (786) 458-8210 and we’ll confirm the model match over the phone, quote the installed price in writing, and schedule the swap.
FAQs
Most residential Linear actuators last 8 to 12 years in Hialeah’s climate, though units within two miles of the coast often see internal corrosion closer to the 7-year mark. The humid season from May through October is what accelerates seal degradation and electrical contact corrosion. Annual lubrication of the mechanical release and a visual check of the actuator tube for rust spots extends that toward the longer end. Call (786) 458-8210 if you’re unsure of your unit’s age; we can date it from the serial number.
Sometimes. A failed capacitor, a stripped shear pin, or a loose limit-switch cam is worth repairing. But if the gearbox is grinding, the motor windings test high-resistance, or the actuator tube has internal corrosion, replacement is the reliable fix. We test every Linear motor on a bench power supply before recommending replacement, and we’ll show you the multimeter reading. Our free second opinion applies if another company has already quoted replacement; bring their written estimate and we’ll review it at no cost.
Most Linear gate motor replacements take 90 minutes to 2.5 hours, including removal, mounting verification, limit-switch calibration, and safety-photocell testing. Slide-gate motors on long runs near Hialeah’s industrial pockets take longer because we verify rack engagement across the full travel. Before we leave, you get a photo log of the installation and a written record of the part number installed, under Haven Standard Clause 4.
We stock the ACT-31, ACT-34, PROSWING 230V, SL-100, and SL-200 on our Hialeah service trucks. The SL-300 commercial unit and 230V international-voltage models we keep at our shop and can have on-site within four hours. We also stock compatible aftermarket units from US Automatic and GTO/PRO for same-day availability when OEM lead times stretch. Call (786) 458-8210 with your model number and we’ll confirm what’s in the van today.
Vance Gate Repair Hialeah is an independent service provider and is not affiliated with Linear LLC. We also stock parts for LiftMaster, Mighty Mule, and Ghost Controls gate systems.
Written by Adrian Vance, Owner, Vance Gate Repair Hialeah at Vance Gate Repair Hialeah, serving Hialeah and nearby areas.





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