LiftMaster Gate Motor Replacement Nationwide

LiftMaster Gate Motor Replacement: The Burleson Owner’s Guide

A LiftMaster gate motor replacement in Burleson typically runs between $850 and $1,900 installed, depending on the opener model and the condition of the gate itself. We keep the most common LiftMaster motors and control boards on our trucks, so most repairs in the Burleson area are completed the same day we arrive. The failure usually announces itself quietly: the gate opens slower than it used to, stalls halfway, or sits dead silent while the keypad still clicks.

Call (469) 564-8046

Most Burleson homeowners discover the motor has failed on the worst possible morning, usually with a car trapped on the wrong side of the driveway. The control board may still beep, the keypad may still light up, and the battery may still hold a charge, but the motor itself has given out. We have been replacing LiftMaster gate motors in Burleson for years, and the story we hear most often is that the gate worked fine one day and refused to move the next.

Which LiftMaster Models This Applies To

LiftMaster has built gate motors under several model lines over the years, and they are not all interchangeable. The most common ones we replace in Burleson are the LA400 and LA412 swing-arm operators, the LA500 series, and the older SL3000 and SL585 slide-gate motors. The LA400 and LA412 are more common on residential driveway gates, while the LA500 and slide-gate units show up on heavier estate gates and commercial properties. The model number is printed on a label on the side of the motor housing, usually near the power cord or the manual release handle.

Here is what matters when matching a replacement: the motor’s horsepower rating, the number of open/close cycles per day it is rated for, and whether it runs on 120V AC or 12V DC. The LA412 is a DC unit with battery backup capability, while the LA400 is AC-only. Swapping one for the other requires changes to the wiring and the control board, which is where DIY replacements go wrong. We are an independent gate company, not affiliated with LiftMaster, and we stock both OEM LiftMaster motors and quality aftermarket equivalents. For most Burleson homes, the aftermarket units from reliable suppliers match OEM specifications at a lower price, but we will quote both and let you choose.

Another compatibility gotcha we see in Burleson: the gate’s weight and length matter as much as the motor itself. A LiftMaster LA400 rated for an 850-pound, 16-foot gate will fail early if it has been pushing a 1,200-pound custom iron gate for the last decade. Part of our replacement job is checking whether the motor was ever the right size for the gate it is moving.

Signs Your LiftMaster Gate Motor Replacement Is Failing

• The gate opens noticeably slower than it used to. The motor’s internal gears and bearings wear down over time, and the motor works harder to produce the same movement. By the time you notice the slowdown, the wear has usually been building for months.
• The gate stalls mid-travel and reverses or stops. This is often the motor’s thermal overload tripping, which means the windings are running hotter than they should. In Burleson’s summer heat, a failing motor will trip that overload more frequently, and failing to address it leads to full burnout.
• You hear the motor hum but the gate does not move. The capacitor has likely failed, or the motor’s start winding is burned out. The noise sounds like the opener is trying, but the mechanical force never arrives.
• The safety reversal triggers for no visible reason. A dying motor draws more current, which can confuse the control board’s obstruction sensing. The board interprets the increased load as something blocking the gate and reverses.
• The control board shows error codes but the gate still limps along. LiftMaster boards log motor faults over time. A board flashing motor-related codes while the gate still moves is usually a warning that the motor is on the way out, not a board problem.

Replacement Cost & What’s Included

Installed LiftMaster gate motor replacement in Burleson runs from about $850 to $1,900, and the honest drivers are motor series, gate weight, and whether the control board can be reused. A basic LA400 replacement on an average residential swing gate with a healthy control board lands near the lower end. A heavier gate needing an LA500, a new board, and some adjustment to the mounting bracket pushes toward the upper end.

Every quote includes the motor, the labor, disposal of the old unit, and a full test of the gate’s travel limits and safety settings after installation. We also check the gate’s hinges, welds, and wheels while we are there, because a gate dragging on its track will kill a new motor just as surely as it killed the old one. The price is quoted and agreed before we touch a single bolt. No surprises on the bill.

Our 90-Day Done Right Promise covers the work in writing. If it is not right, we come back and make it right, no paperwork and no arguing. In Texas heat, a motor that runs cool and a gate that closes true are the whole point.

DIY or Call Us?

A gate motor runs on line voltage, and a LiftMaster unit combines that voltage with a moving gate that can weigh hundreds of pounds. Before calling anyone, you can check the breaker, make sure the manual release handle has not been left in the disengaged position, and confirm the keypad is sending a signal. Those are safe and worth doing.

Beyond that, we would not recommend opening the motor housing. The capacitor inside can hold a charge even with the power disconnected, and the wiring connections are not forgiving of guesswork. What takes a homeowner four hours and two trips to the hardware store usually takes us forty-five minutes with the right parts already on the truck. Call (469) 564-8046 if the simple checks do not bring it back to life.

FAQs