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Mighty Mule MM371W Automatic Gate Opener, Smart and Solar Ready, Includes Gate Opener Remote and More-Up to 16ft Long or 550lb, Black, 1 Gate Opener Kit

4.1 4.1 out of 5 stars 1,277 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Gate Openers by Mighty Mule

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Single
Gate Opener

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Brand Mighty Mule
Color Black
Exterior Finish Black
Product Dimensions 42"L x 6"W x 9"H
Item Weight 10.4 Kilograms

About this item

  • Our gate kit works on chain link, wood gates, and more. Great electric gate opener for outdoor gates. Supports gates up to 16ft length and 500lb. Not recommended for solid surface gates
  • Installation Process: With BILT App, know exactly what tools you will need and see the installation process before you purchase our gate openers. Get the BILT app on your App or Play Store now
  • All Weather: Electric gate opener REQUIRES a 12V marine or automotive gate opener battery (FM150, sold separately). Use Mighty Mule gate openers year-round in temperatures ranging from -5ºF-160ºF
  • Smart Ready: Make our gate lock and open with a phone. Add the Mighty Mule Wireless Connectivity Kit (Model #MMS10 sold separately). Transform to a wifi gate opener up with over half mile of range
  • Solar Capable: Easily make this into a solar gate opener with the Mighty Mule 10W solar panel (Model #FM123, sold separately) and use it to charge the gate battery (Model #FM150, sold separately)
  • Safety and Quality: Mighty Mule gate hardware kit is UL325 certified and has beep warnings to notify of obstruction. Mighty Mule is designed in Carlsbad, CA, proudly made in North America
  • Included: Mighty Mule 37X Series automatic gate opener, 3-Button gate opener remote, control box, mounting hardware, 24-hour technical support. 1 Year Warranty. Not Included: Mighty Mule 12V Battery is required and sold separately (Part #: FM150)
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Customer ratings by feature

Easy to install
3.6 3.6
Remote Control
3.5 3.5
Value for money
3.2 3.2
Tech Support
2.9 2.9

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From the manufacturer

Mighty Mule - The Leader in Smart and Solar Automatic Gate Openers

MM A+ Hero
gate opener; mighty mule gate opener; driveway gate; gate opener remote; automatic gate opener solar gate opener; gate remote control; ghost controls gate opener; ghost gate opener gate openers with remote complete kit; ghost gate opener; gate openers; ghain link gate; gate kit electric gate opener; mighty mule gate opener remote; solar gate openers with remote complete kit automatic gate openers with remote complete kit; swing gate opener; liftmaster gate opener electric gate openers with remote complete kit; topens gate opener; gate closer; gate motor
Lite Automatic Gate Opener Dual Lite Automatic Gate Opener Automatic Gate Opener Dual Automatic Gate Opener Heavy Duty Automatic Gate Opener Dual Heavy Duty Automatic Gate Opener
Customer Reviews
3.9 out of 5 stars
477
3.3 out of 5 stars
141
4.1 out of 5 stars
1,277
3.8 out of 5 stars
306
3.7 out of 5 stars
870
3.7 out of 5 stars
870
Part Number MM271 MM272 MM371W MM372W MM571W MM572W
Gate Opener Operation Single Dual Single Dual Single Dual
Maximum Length of Gate 12 Feet 12 Feet 16 Feet 16 Feet 18 Feet 18 Feet
Maximum Weight of Gate 300 Pounds 300 Pounds 550 Pounds 550 Pounds 850 Pounds 850 Pounds
Smart Capable (Use with Mobile Phone) No No Yes, with MMS100 Yes, with MMS100 Yes, with MMS100 Yes, with MMS100
Solar Capable Yes, with FM123 Yes, with FM123 Yes, with FM123 Yes, with FM123 Yes, with FM123 Yes, with FM123
UL325 Safety Certified
Made in North America North America North America North America North America North America
Easy 3D Installation Guide Yes, Download BILT App on your mobile phone Yes, Download BILT App on your mobile phone Yes, Download BILT App on your mobile phone Yes, Download BILT App on your mobile phone

Convenient Smart Features - Rugged, Reliable Performance

SIMPLE

SMART

SMOOTH

SAFETY

SIMPLE

Mighty Mule smart automatic gate openers are a customer favorite because of their fast, easy installation. We provide you all of the standard installation hardware, interactive 3D Guide, manuals and how-to videos online to help you complete the job on your own.

SMART

Control and monitor your gate from your smartphone with the Mighty Mule app. Our wireless connectivity system enables communication with gates that are installed up to 1/2 mile from your house - more than anyone else in the industry.

SMOOTH

Mighty Mule Smart Gate Openers provide reliability and solid, superb performance. Our products provide smooth, secure operation, and fast, reliable gate operation - 40% faster than any of our previous models!

SAFETY & QUALITY

Mighty Mule automatic gate opener kit is UL325 certified and has beep warnings to notify of obstruction. Mighty Mule is designed in Carlsbad, CA, proudly made in North America .

ghost controls; wifi gate opener; outdoor gates; gate opener kit; smart gate opener dual gate opener; liftmaster gate opener remote; gate hardware kit; gate motor with remote automatic gate openers; automatic gate closer; electric gate motor; dual swing gate opener driveway gate openers; ghost gate opener remote; swing gate; gto gate opener remote; electric gate topens gate opener; ghost controls; wifi gate opener; outdoor gates; ghost controls remote FM143
Battery Battery & Enclosure Wireless Connectivity (SMART) System 10W Solar Panel Kit 3-Button Transmitter Automatic Gate Lock
Customer Reviews
4.5 out of 5 stars
988
4.5 out of 5 stars
48
3.4 out of 5 stars
814
4.7 out of 5 stars
1,034
4.6 out of 5 stars
424
4.5 out of 5 stars
1,219
Part Number FM150 MMB200 MMS100 FM123 MMT103 FM143
Required for Gate Opener? Yes, not included Recommended over FM150 Optional for MM371W, MM372W, MM571W, MM572W. Not compatible with MM271 & MM272 Recommended Optional Optional
solar powered gate monitor; mighty mule gate opener parts;  solar power electric fence kit;

Product guides and documents


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Product information

Technical Details

Additional Information

Warranty & Support

Amazon.com Return Policy:Amazon.com Voluntary 30-Day Return Guarantee: You can return many items you have purchased within 30 days following delivery of the item to you. Our Voluntary 30-Day Return Guarantee does not affect your legal right of withdrawal in any way. You can find out more about the exceptions and conditions here.
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Mighty Mule MM371W Automatic Gate Opener, Smart and Solar Ready, Includes Gate Opener Remote and More-Up to 16ft Long or 550lb, Black, 1 Gate Opener Kit


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Product Description

Elevate your gate's functionality and security with the Mighty Mule MM371W Gate Opener Kit. This comprehensive kit ensures a hassle-free installation, equipping your gate with a powerful swing gate opener, heavy-duty hinges, a convenient remote, and a control box for seamless operation. Installation is made easy with the BILT App, providing step-by-step guidance and tool requirements. The gate opener is designed to function reliably in all weather conditions, compatible with a 12V marine or automotive gate opener battery (FM150, sold separately). It can withstand temperatures ranging from -5ºF to 160ºF, making it a year-round solution. The MM371W is versatile, suitable for chain link and wood gates, ideal for various outdoor applications. It can handle gates up to 16 feet in length and 500lb in weight, although it's not recommended for solid surface gates. To transform your gate into a smart, remotely controlled system, the Mighty Mule Wireless Connectivity Kit (Model #MMS10, sold separately) offers a range extending over half a mile. You also have the option to convert to solar power using the Mighty Mule 10W solar panel (Model #FM123, sold separately) to charge the gate battery (Model #FM150, sold separately). Safety and quality are paramount with Mighty Mule, as evidenced by the UL325 certification and the inclusion of beep warnings to alert you to obstructions, enhancing your property's security. Designed in Carlsbad, CA, and proudly manufactured in North America, the Mighty Mule MM371W Gate Opener Kit is a reliable and robust solution for gate automation. Upgrade your gates today to experience the convenience, security, and smart capabilities this kit provides.

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This Item
Mighty Mule MM371W Automatic Gate Opener, Smart and Solar Ready, Includes Gate Opener Remote and More-Up to 16ft Long or 550lb, Black, 1 Gate Opener Kit
Mighty Mule MM371W Automatic Gate Opener, Smart and Solar Ready, Includes Gate Opener Remote and More-Up to 16ft Long or 550lb, Black, 1 Gate Opener Kit
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TOPENS A5S Automatic Solar Gate Opener for Medium Duty Single Swing Gates Up to 16ft, Single Swing Gate Operator Battery Powered with Remote Control Kit Gate Motor Solar Panel Included
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Price-16% $359.99
List:$429.00
-12% $139.87
List:$159.00
$198.99$369.00
Delivery
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Get it as soon as Tuesday, Apr 2
Customer Ratings
Value for money
3.2
4.1
3.3
4.0
Tech Support
2.9
3.4
4.2
4.0
Easy to install
3.6
4.0
3.9
Remote Control
3.5
4.7
4.2
Sturdiness
4.6
4.0
Sold By
Amazon.com
Amazon.com
Ghost Controls
TOPENS
size
Single
Pack of 1
Medium
Solar Single Swing Gate Opener Medium Duty
material
Alloy Steel
Aluminum
Aluminum
weight
10.4 kilograms
2.7 kilograms
4.75 pounds
25.6 pounds

Customer reviews

4.1 out of 5 stars
4.1 out of 5
1,277 global ratings

Customers say

Customers like the speed of the door closer. They also say it's easy to use and has a long range. However, some customers have reported issues with the range and the noise level of the product. Customers also disagree on the ease of use, tech support, performance, control box, and quality.

AI-generated from the text of customer reviews

49 customers mention44 positive5 negative

Customers like the speed of the door closer. They mention that it is faster than the old one, it closes consistently, and it moves faster. Some say that the delivery was fast. Overall, most are satisfied with the speed and performance of the product.

"...Used a single 14' heavy duty farm gate. My first time doing this. Delivery was fast. Everything arrived as advertised...." Read more

"...Opener is faster than the old one which is a plus. I especially want to touch on the range of the remote...." Read more

"...The gate does open and close pretty fast, but I'm a little concerned the start up torque could eventually cause a fatigue failure of my aluminum..." Read more

"...The new unit moves faster and is quieter...." Read more

117 customers mention36 positive81 negative

Customers are mixed about the quality of the door closer. Some mention it's well made, reliable, and powerful. However, others say that there appears to be no quality assurance from the manufacturing floor, the unit failed, and the product is not durable.

"...The original unit also had a defect...." Read more

"...Their product is not durable, their instructions are a a puzzle, and the tech support and management do not stand behind their product..." Read more

"...Handles the long gate easily. And the gate opens and closes smooth and quiet. It also moves quicker than my neighbor's gate...." Read more

"...Quality Assurance: This is a joke. There appears to be no quality assurance from the manufacturing floor when parts are leaving the company...." Read more

114 customers mention46 positive68 negative

Customers are mixed about the performance of the door closer. Some mention that it works great, is reliable, and does a good job. However, others say that it didn't work right, the control board was non-functional, and the circuit board stopped working. Some say that the close program works, but the open program doesn't. Additionally, some customers mention that the opener will not work on standard chain link fence hinged gates without major mods.

"This gate opener did not work properly right out of the box. The opener would not learn its limits...." Read more

"...Instructions are easy to follow. Works first time and every time. Handles the long gate easily. And the gate opens and closes smooth and quiet...." Read more

"...Unfortunately, this will not work with this model. It is strange that the mother board will no longer accommodate this accessory...." Read more

"...that has something to do with it, but so far no problems and everything works great." Read more

87 customers mention54 positive33 negative

Customers are mixed about the ease of use of the door closer. Some mention that the setup was fairly easy and straightforward, while others say that it was not as easy to install as their other 2. The instructions are a puzzle and the product is not suited to the average installer.

"...Delivery was fast. Everything arrived as advertised. Instructions are easy to follow. Works first time and every time. Handles the long gate easily...." Read more

"Replaced an older MM opener, so install was easy. Love that the control board is now separate and not inside the opener itself...." Read more

"...Their product is not durable, their instructions are a a puzzle, and the tech support and management do not stand behind their product..." Read more

"...Set up was fairly straightforward and the unit stops at the closed position very accurately...." Read more

21 customers mention8 positive13 negative

Customers are mixed about the control box of the door closer. Some mention that it's slimmer, and more modern, while others say that the control board was defective and needs to be replaced.

"...my Amazon return free window closed, they agreed the control circuit board was bad and should be replaced...." Read more

"...Love that the control board is now separate and not inside the opener itself. Opener is faster than the old one which is a plus...." Read more

"...Well after a month I still have not received the new mother board...." Read more

"...Motor and ram were fine. Company would not send a replacement control board. Had to return the entire product. That requires unnecessasry work...." Read more

21 customers mention7 positive14 negative

Customers are mixed about the tech support. Some mention that it's great and easy to talk with, while others say that it was useless and insulting. They also mention that the MM/GTO app is not helpful and that additional purchases are required for basic functionality.

"...Not an ideal method.Lesson 5: the app is terrible. It's not hard to setup...." Read more

"...It's all good. Tech support is great." Read more

"...I did not like the fact that most features were not in the description." Read more

"...They last 4 or 5 years. Tech support is a joke. 8 to 5 M-F. The MM371 has no place for a battery in the case...." Read more

17 customers mention8 positive9 negative

Customers have mixed opinions about the noise of the door closer. Some mention that it's quieter, while others say that it makes horrible noises to either open or close. They also mention that they can hear the motor grind and the control panel chirping.

"...The opener would not learn its limits. It also made a loud roar but at the time , I did not know that was abnormal...." Read more

"...Handles the long gate easily. And the gate opens and closes smooth and quiet. It also moves quicker than my neighbor's gate...." Read more

"...they have added a beep, every time you open or close the gate it makes a loud beep...." Read more

"...The new unit moves faster and is quieter...." Read more

22 customers mention0 positive22 negative

Customers are dissatisfied with the range of the door closer. They mention that the remote does not transmit very far, and the other side of the gate is very hit and miss due to range. Some say that the wireless transmitters are ineffective and the product has a short range.

"...to find that nothing right, a multi meter showed me that 1 relay doesnt work as intended, the other relay works in "reverse" of how its intended..." Read more

"...The other down point is the range on the remote...." Read more

"...to this product is that the remote that came with it does not transmit very far. You need to be within 50 feet of the gate for it to work...." Read more

"...It's faster however the antenna doesn't work as well...." Read more

Check EVERYTHING out of the box...
3 Stars
Check EVERYTHING out of the box...
TL;DR - Bottom Line, I don't know that I would recommend this to anyone as there are "cheap" pieces of garbage out there that will likely last as long as this based off of what I saw when I opened the box.Did I void my warranty? Most likely... according to some here in the comments and the manufacturers "installation book" that says on page 1 "DO NOT MODIFY THE BATTERY CABLE OR YOU WILL VOID YOUR WARRANTY"... (see pictures) well, I had to open the main opener arm case because there were parts rattling around in it before I took it out of the box. As it turns out the nut (and washers) that were supposed to be holding the screw in place to open/close the gate weren't even attached. I didn't want to have to go back to check if it was attached again later so I used some loctite on it to keep the nut on.Furthermore, I'm also thinking I voided my warranty since I'm not using this as a vehicle gate opener (page 2 says it's intended use is for vehicular gates only... but why they need to put all of this in caps and bold, I don't know... maybe as a loophole to blame you for not using it correctly so they don't have to pay for a warranty replacement?), it will be used for the back gate so I don't have to stop my mower on a hill, get off, open the gate, then go out, then close it... the little things in life. Ya know?BTW, would you like to see what you get when you pay $400 for this opener, check out the pictures... is it worth it? I could probably build that board with PCBWay for $25, the screw and motor, maybe $50 in bulk, plastic molding for the board/opener... $10, with Mighty Mule inflation, $3000 but we get a deal at $400.I don't generally LIKE giving negative reviews unless something truly deserves it but when I pay $400 for some, what appear to be, scrap parts from a work bench, I'm going to give you my opinion.Seals: The housing has no proper seals to keep moisture out all the way down the side, at the front of the unit where the arm extends/retracts, there is a space for 2 seals to be placed, only 1 was installed and it's not a "snug" fit.Quality Assurance: This is a joke. There appears to be no quality assurance from the manufacturing floor when parts are leaving the company.Ease of installation: I have no idea yet, I've been busy trying to keep parts from falling off and making my own water tight box (You can look for ASIN B08282SQPT here on Amazon to see what I put this control box in, it's the 16x12x7 box I put everything in) to put this in with the battery so it all stays dry. So now instead of having only the manufacturer's box, I will have my box as primary defense from the water bandits and then the manufacturer's box as a secondary line of defense should the water bandits get into my box.Open/Close motor: This seems like something from a child's toy. The motor is small, the wiring is 16ga wiring but uses a 25 amp fuse, any "technically savvy" person would know that 16ga wire is a little thin... and they would be right, the "correct" wire size for a 25 amp fused circuit at 12vdc would be 10 or 12ga (depending where you look and the wire rating). Now, I will say wire gauge figure is using a 10ft run with these ratings and my run is nowhere near 10ft. Mine is maybe 6" because of the custom box I'm putting together for it (and yes, I modified the battery wire so I'm 99% certain my warranty is out the window) but I don't feel like a 25 amp fuse should be on 16ga wire... period.On top of that, you pay $400 for the opener that ADVERTISES IT IS A SMART OPENER but doesn't come with the "smart" piece... oh no, that's an additional $140, then a lock to keep honest people out is $140, so you're looking at nearly $600 for a "smart" opener that can lock because Mighty Mule doesn't want to include it in their "flagship" models... This doesn't include other "accessories" or "addons" for this opener like a wireless keypad if you forget your remote for an additional $55, an automatic exit opener for an additional $75, if you wanted something like that, a battery for remote powerless installation, and a solar panel for remote powerless installation. All of which comes at a premium cost from this company ($82.99 for a 10 watt solar panel? Seriously? My brother purchased a vehicle years ago and it came with a 10 watt solar panel for free to keep the battery charged when the vehicle was sitting for longer periods)I REALLY REALLY had high hopes for this thing because I saw someone who's opinion I trust using it... after reading the comments and having to put part of it together (it doesn't state "Some assembly required" anywhere on the box), I'm losing faith in it very rapidly.Bottom Line - I don't know if I'll buy another Mighty Mule device. We'll have to see how long it lasts for $540 (after the lock is purchased).
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Top reviews from the United States

Reviewed in the United States on February 12, 2024
Size Name: SingleStyle: Gate OpenerVerified Purchase
One person found this helpful
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Reviewed in the United States on January 29, 2024
Size Name: SingleStyle: Gate OpenerVerified Purchase
One person found this helpful
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Reviewed in the United States on July 25, 2020
Size Name: SingleStyle: Gate OpenerVerified Purchase
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4.0 out of 5 stars Works Good, no problem with range using the remote, a few other problems
Reviewed in the United States on July 25, 2020
Bought the MM371 single gate operator in June 2020 to replace a MM FM350 that died after about 4.5 years. Had to make a slight adjustment to the mounting bracket attached on the gate post for it to work. Since the MM371 has a separate control box (it was built into the FM350 arm) I mounted it on a piece of 2" PVC pipe secured in the ground. There was no wire included to go from the power supply that plugged into the 120V outlet so I used the same wire I had used on the FM350 . This caused problem 1. The MM371 power supply outputs DC whereas the FM350 used AC, I didn't realize that. I got the polarity wrong so it didn't work until I figured out my error. Their instructions actually do mention connecting red and black wires, but there weren't any wires included in my kit, that would have prevented this error. The original unit also had a defect. The terminal block for the green and white wires from the operator had not been soldered to the board and came off when I attached the wires. After a long wait on hold tech support said they would send me a new PCB but since they were out of the boards for the MM371 they would send me one from a MM571 as they were the same. Well, they sent me an entire MM571 kit in the original packaging. I swapped out the boards and sent back the MM571 (MM paid all shipping). Set up was fairly straightforward and the unit stops at the closed position very accurately. The range on my remote is over 100 ft across open ground and I was also able to program my old remotes to work with the unit. But after two days the unit would not work. When the button was pressed it the arm motor would start for a fraction of a second then the unit would beep once and that was it every time. Another call to tech support finally diagnosed battery replacement. Replacing the group U1 lawn mower battery did solve the problem and the unit now works well. However, my old battery voltage indicated a full charge and continues to even a week later. I was told by the very knowledgeable tech that the unit is very sensitive to voltage drop and if the voltage at any time drops 10% it stops the unit and lets out one beep. This fault, or error indication, is not covered in the manual. This is likely to prevent damage to the motor due to under voltage. All electric motors pull maximum current at startup causing a voltage drop (example - in some houses with incandescent lights they dim for a 1/2 second when , say the A/C starts) so the sensing circuit should be locked out for a second or at least part of a second. Also, If it is so sensitive to this, the wire for the battery should be a little heavier (what they sent looks no heavier than 18 gauge) to reduce voltage drop during the start up current surge. The gate does open and close pretty fast, but I'm a little concerned the start up torque could eventually cause a fatigue failure of my aluminum gate post.
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23 people found this helpful
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Reviewed in the United States on May 21, 2021
Size Name: SingleStyle: Gate OpenerVerified Purchase
6 people found this helpful
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Top reviews from other countries

Amazon Customer
5.0 out of 5 stars Updated replacement for model 350.
Reviewed in Canada on September 2, 2023
Size Name: SingleStyle: Gate OpenerVerified Purchase
Tina Folden
4.0 out of 5 stars Great deal
Reviewed in Canada on December 30, 2023
Size Name: SingleStyle: Gate OpenerVerified Purchase
Dan Ryan
1.0 out of 5 stars Can’t buy parts
Reviewed in Canada on February 24, 2024
Size Name: SingleStyle: Gate OpenerVerified Purchase
Kurt
5.0 out of 5 stars Great!
Reviewed in Canada on January 18, 2022
Size Name: SingleStyle: Gate OpenerVerified Purchase
3 people found this helpful
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Too Old
5.0 out of 5 stars Works great. Had to buy the Mighty Mule RB741 Remote Control Transmitter (6pak) extra.
Reviewed in Canada on October 22, 2021
Size Name: SingleStyle: Gate OpenerVerified Purchase
2 people found this helpful
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