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GTO FM144 Automatic Gate Lock
GTO PRO FM144 Automatic Gate Lock
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GTO FM144 Automatic Gate Lock

Item Id: LIN-FM144
review 11 Review(s)
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Your Price: $149.00
• Black powder coated steel housing proven to withstand up to 3,500 lbs. (1,587.6 kg) of force.
• Recommended for gates over 8 feet long and for installations where high winds are common.
• Stabilizes and secures the leading edge gate leaf in the closed or open position.
• Simple installation, wires directly to all GTO/PRO® swing gate operators.
• Battery back up provided by existing GTO/PRO® gate operator batteries.
• Fail secure system with keyed manual over ride release.
• Bolt on or weldable hardware included.
NOTE: If used on other gate operator brands, lock requires 12 volt DC power source and a 12 Volt DC powered relay – for questions consult factory.
The Automatic Gate Lock provides peace of mind and added security for your gate. The GTO FM144 Automatic Lock unlocks and locks automatically as the gate is activated to open and close. The GTO FM144 is wired directly to the gate opener's control box, and it is activated by any one of the many Mighty Mule or GTO / PRO Access Controls, including the Entry Transmitter, GTO RB741 the GTO FM139 Gate Opening Sensor, the GTO F310 Digital Keypad, or the GTO RB101 Push Button Control. The GTO FM144 provides maximum stability and security on GTO PRO gate openers, and is highly recommended for animal enclosures, high wind areas, and gates over 8 Ft. long. It comes with two keys for manual release of the gate lock.
  • The GTO FM 144 Automatic Gate Lock is compatible with all single and dual Mighty Mule or GTO swing gate openers, including the FM500, FM502, FM350,, 352, GTO PRO-,2000XL, 2002XL 000, PRO-3200, PRO-4000 PRO4200 and all XL models
  • Ideal for animal enclosures, high wind areas, with gates over 8 Ft. long, or where security is a concern
  • The automatic gate lock comes with all necessary hardware for normal installations, but the 433-IH column mount lock receiver is recommended for use on certain column-mount or post-mount installations
  • Comes with a two keys and a keyed manual release
  • Backed by a 12 month limited warranty
  • MFG Brand Name : GTO

Customer Reviews View All Reviews
Rating Home
For my new SW2000XL I purchased the GTO auto gate lock FM144, it took some precise tweaking for proper closure, but we had great customer service help from GTO. And it locks & unlocks perfectly now. Came with long cable to hook up to controller box. Always happy with my purchases at Gateopeners Unlimited and Arthur. 5 stars. Always FAST shipping.
Reviewed by: from Calif. on 8/9/2020
Rating owner
works great very good company
Reviewed by: from florida. on 7/24/2018
Rating gate lock
this is a replacement, the old one failed after 5 years, the locks works fine, will not have gates without the locks. dual gates 28 ft. wide.
Reviewed by: from clarkston wa. on 1/8/2018
Rating GTO FM144 Automatic Gate Lock
Very good GTO FM144 Automatic Gate Lock.
Reviewed by: from Grants Pass, Oregon. on 7/30/2017
Rating VP
Very easy installation. Owner recently rescued a large dog that was able to push open the gate leaf and escape. This lock solved the problem.
Reviewed by: from Fort Lauderdale Fl . on 2/10/2017
Rating Ga
My gate got hit by lightning. I ordered a replacement PCB. Received it promptly. Quick install and had my gate back working quickly.
Reviewed by: from Dallas. on 8/27/2016
Rating VP IBM retired
This product was easy to install, with a little common sence. What we did was set the gate a close as possible to the closing position. tThen reallined the gate in it's close and lok position. Done ! I feelthat have it close a lock every time make for a much more secure enviroment. Let's not forget Author at Gate Openers Unlimited. Very confident and helpful. UUnderstood with just a few comment.
Reviewed by: from Tioga Co. Pa. on 8/25/2015
Rating Works Great!!
Installed this lock on my Mighty Mule 350 opener which is on a panel gate and very susceptible to open partially on windy days. Followed installation instructions that came with the lock and was quite easy to install. The lock came with a small circuit board, but wasn't used on the MM350, but apparently is used on other opener models. I did however have to contact the Mighty Mule web site for wiring information which was not provided in the installation manual, it had pretty much all the various models illustrated, but the MM350. Must be an oversight on the manufactures end, Other than the lack of information about wiring, which turned out to be very simple, the lock is working flawlessly and I am very happy with the results and piece of mind knowing that the gate is more secure. Also the price was far more cheaper than local retailers offering the same lock and it arrived sooner than expected by 4 days!! I saved about 35% off the cost by buying through Gate Openers Unlimited and they have made a repeat customer out me,
Reviewed by: from Tulsa, Oklahoma. on 6/17/2015
Rating Gate security lock!
I installed this lock on my home gate after some vandals pushed the gate open. They were only able to push it about 5' and the gate operator bracket held well, only one bolt sheared but it held well enough that a car could not enter the gate opening. This lock installes easily and works very well, gives my wife peace of mind. Worth every penny!
Reviewed by: from Hopkins SC. on 12/15/2014
Rating Owner, Timberbrook Farms
Authur, The GTO gate lock really cured the problem with the gates closing and securing together every time. Thanks for the great product at a great price savings and very fast delivery. I will definitely call you for any future needs.
Reviewed by: from Holden, Mo.. on 12/3/2014
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