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BFT Gate Motor Replacement: The Los Angeles Owner’s Guide
We stock and install BFT gate motor replacements across Los Angeles, with most jobs running $850 to $1,650 installed depending on the model and what’s already in the ground. We can usually do the swap same day if the gate is swing-style and the posts are sound. The way most owners find us is simple: the gate starts grinding, stops mid-swing, or just sits there buzzing like it wants to move but can’t. You’ll hear it before you see it fail.
If your BFT opener is dead or dying, the motor is rarely the only thing worth looking at. We check the capacitor, the limit switch wiring, and the gearbox while we’re in there. Hal has been sorting out BFT units around Los Angeles since 2001 and we’ve seen the same failure patterns repeat across neighborhoods from Sherman Oaks to Woodland Hills.
Which BFT Models This Applies To
BFT makes a few distinct families of gate operators and the replacement motor isn’t one-size-fits-all. The Deimos series (Deimos BT, Deimos Ultra, Deimos AC A600) uses different motor assemblies than the older BFT Phobos or the newer BFT Rigel lines. We also see a lot of BFT Ares and BFT Sub units on older Los Angeles properties. Each has its own motor flange pattern and shaft spec.
Here’s the gotcha: the model number on the control board doesn’t always tell you which motor you need. BFT assembled some units with different motor suppliers in different years. We match by the label on the motor housing itself, and when that label is baked off from sun, we go by shaft diameter, mounting bolt spread, and RPM. That’s why we bring a few motor assemblies on the truck and confirm before we cut anything loose.
On OEM versus aftermarket: BFT OEM motors are solid, but they’re not always worth the wait or the premium. For the Deimos and Sub lines we often use a quality aftermarket motor built to the same shaft and flange specs, and we’ve had excellent luck with them in the Southern California climate. For anything still under BFT’s warranty window, we’ll steer you OEM so you don’t lose coverage. We’re an independent shop, not affiliated with BFT, so we’ll tell you straight which one makes sense.
Signs Your BFT Gate Motor Replacement Is Failing
- Humming but not moving: The motor’s getting power but the starting capacitor has failed or the gearbox has bound up. This is the most common BFT failure we see in Los Angeles, and it usually means the capacitor needs replacing first, not the whole motor.
- Slow, weak operation: The gate moves but labors through the swing. That’s often the motor’s bearings wearing out or the internal gear train losing efficiency. If it’s noticeably slower than it was six months ago, don’t wait.
- Intermittent stops mid-cycle: The gate starts, stops, then sometimes finishes after a pause. That’s usually thermal overload protection kicking in because the motor is drawing too much current. A failing motor runs hot.
- Burning smell or warm housing: A motor that’s hot to the touch after one cycle is on borrowed time. The windings are breaking down. We’ve seen this a lot on BFT units in direct Los Angeles sun where heat build-up inside the housing accelerates insulation failure.
- Loud grinding or clicking: That’s gear teeth in the gearbox, not the motor itself, but it means the motor’s working against resistance and will fail soon if the gearbox isn’t sorted out. We replace the gearbox and motor together on BFT swing arms because running a new motor against a worn box kills the new motor in months.
Replacement Cost & What’s Included
For a BFT swing gate motor replacement in Los Angeles, you’re looking at $850 to $1,250 for a single Deimos or Sub class unit installed. Larger operators or dual-leaf setups where both motors need replacing run $1,400 to $1,650. Underslung or buried motors run higher because of the excavation work. The price you’re quoted is the price you pay. We don’t show up and discover new charges after we’ve opened the housing.
Every quote includes the motor assembly, capacitor if needed, limit switch adjustment, force setting, and a full cycle test. The job carries our 90-Day Done Right Promise in writing: if it’s not right, we make it right. You also get a free second opinion if you’ve got a written estimate from another shop and want us to look at it first. No trip charge inside the county, and $40 off any repair over $200.
DIY or Call Us?
Some things you can safely check: confirm the breaker isn’t tripped, confirm the gate hasn’t come off its track or hinge, and look for obvious debris in the operator arm’s path. That’s about where I’d stop. BFT units run on 120V or 240V and the capacitor holds a charge even with the breaker off. If you don’t know how to discharge it, you can get hurt.
The other reason I tell Los Angeles homeowners not to swap BFT motors themselves is the weight. A Deimos arm under tension from a heavy gate can snap back when unbolted. We’ve repaired fingers and hands from that exact mistake. We come with the right tools, the right motor, and we can have most swaps done in 90 minutes. Call us at (877) 610-2993 and we’ll give you a straight answer on whether you need a motor or just a capacitor before anyone charges you a dime.
FAQs
A BFT motor in Los Angeles typically lasts 7 to 10 years depending on gate weight, cycle count, and sun exposure. Coastal areas like Playa del Rey get salt air corrosion that shortens lifespan; inland heat in the Valley cooks capacitors faster. We see the capacitor fail at year 4 or 5 before the motor itself goes.
Capacitors, limit switches, and sometimes bearings can be replaced individually, and we’ll always try the cheap fix first. Once the motor windings fail or the armature is burned, replacement is the only honest option. Call (877) 610-2993 and Hal will tell you which one you’re dealing with.
A standard BFT swing motor replacement takes about 90 minutes once we’re on site. If we need to weld a new mount or the posts are out of square, budget two to three hours. We bring common mounts and hardware on the truck.
We stock BFT Deimos, Sub, and Ares motor assemblies and the most common capacitors on our service trucks. For less common units or OEM-only replacements, we can usually have parts in hand within two to three business days in the Los Angeles area. Call (877) 610-2993 with your model number and we’ll check the shelf right then.
Call Gatewood Fence & Gate for BFT Gate Motor Replacement in Los Angeles
If your BFT gate motor is grinding, buzzing, or dead quiet, call us at (877) 610-2993. We answer the phone with a person, we’ll ask about your gate, and we’ll give you a free estimate over the phone. Hal Gatewood’s name is on the shop and on every invoice. We’ve been at this in Los Angeles since 2001, and we’ll show up when we say we will.
Written by Hal Gatewood, Owner, Gatewood Fence & Gate at Gatewood Fence & Gate, serving Los Angeles and nearby areas.





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