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Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2-5/16" ball couplers with no lips. Resists picking, cutting, drilling, and freezing. Tumbler offers nearly 1 million possible key codes.
Features:
Specs:
Coupler Fits:
This lock fits 2-5/16" ball couplers without a lip. Examples of some of the couplers it fits are pictured below.
This coupler lock has a disc tumbler locking mechanism. Unlike locks that use vulnerable spring-loaded pins, this ultra-secure lock is bump-proof. The cylinder has a series of rotating discs that can be correctly lined up only when you turn the corresponding key. Two identical notched keys are included to operate the lock. Because these keys feature 1 of nearly a million possible key codes, it's extremely unlikely that another individual will have a key that can open this lock.
Videos are provided as a guide only. Refer to manufacturer installation instructions and specs for complete information.
Hello everybody, this is Jeff at etrailer.com. Today we're gonna take a look at the amp lock cast iron trailer coupler lock. For the 2 and 5/16ths ball couplers that do not have a lip on them. Now, this is a tamper-resistant sturdy lock, prevents trailer theft by preventing hookup. It is designed to fit over the coupler, engaging it like a trailer ball does and blocking the ball opening. This will help prevent any wood dehisce from hitching your trailer to the toe vehicle.
Now, this is in the lock position so I just wanna open it up and demonstrate how this works. So you just go ahead and put your key in there. And once you get your key all the way in there and you just twist it, pull out the lock, remove the key and now it'll remove the ball from the cover. The cover itself is a nice heavy duty ductile cast iron construction, helps absorb shock to prevent any breaking. And it also resists any kind of cutting, including cutting with like a torch or liquid nitrogen.
The ball that you use to lock onto is a solid one piece, stainless steel ball. Has a stainless steel pin right here, that'll lock onto the coupler. It does use that push-in lock cylinder. It'll lock without the need for a key. You can see once you open it and leave it in the open position to lock it, all you have to do is push in on that.
I'm gonna demonstrate that. And also it's nice when this is installed, the lock's location is on the bottom. So it also makes it difficult for thieves to access. Does use a rotating disc tumbler lock which will provide maximum security. It offers nearly a million possible key codes and it is resistant to picking and drilling.
So what we're gonna demonstrate, I happened to pull a coupler that does not have a lip on the front here. And it is recommended because this won't fit over the lip. Some of your couplers have like a rolled edge or a lip over here. This one, if you notice, doesn't really have a lip to it so it works perfectly on this. So what we're gonna do is take out the pin and we'll go ahead and open this so it's in the open position. Oops, there we go. It's in the open position and now we'll put the ball into there and close it. And you can see now it's locked onto the ball. And then what you'll do with this hole facing outwards, and again, we mentioned it's still in the lock, or gonna be locked, open position. You can slide this right over the whole coupler, onto the ball. And then what you'll do is just push this in just like that. And you'll hear it click, and now it's locked into place. So when this is installed, just like this on your coupler, nobody can hook up to it. Makes it very hard to access. It is a nice molded fit you can see. Has a nice swivel design to it. So that'll decrease any hold options for the thieves. Does have a nice e-coat finish on it to resist corrosion. Now it's come with the two keys. And again, we mentioned the application. This is for standard ball couplers that use a 2 and 5/16ths diameter ball. And again, just to mention it doesn't, the coupler does not have, should not have a lip on it 'cause this will only work on the couplers that do not have that lip. So again, to remove this all you have to do is take your key, put it up under there. And once you get your key all the way in there, twist it, pull out the lock, remove your key, and then that'll let you able to slide your cover off. And then you have access to your ball. Go ahead and open it and unhook it from the coupler. Simple as that. Now this is great for use on standard straight tongue couplers that have a lever latch, bulldog collar lock couplers, and many more. If you go to the product page for this part number it'll show pictures of different locks it'll work on. One of the last things I wanna do is give you some measurements on here. We're gonna measure the inner width just to give you an idea of the size of the couplers it'll fit on. So you can see right here if we go inner width, it's about 3 and 3/4 inches. The inner height is gonna be right at about, you know from there, also about 3 and 3/4 inches tall. But again, just to show you, this will go right onto there. Once it goes on, push it into place. And then now you're locked together, simple as that. But that should do it for the review on this amp lock cast iron trailer coupler lock for the 2 and 5/16ths ball couplers without a lip..
Average Customer Rating: 4.8 out of 5 stars (83 Customer Reviews)
Use this heavy-duty cast iron coupler lock to help prevent trailer towaway theft. Fits standard 2-5/16" ball couplers with no lips. Resists picking, cutting, drilling, and freezing. Tumbler offers nearly 1 million possible key codes.I love my AMP lock. It is heavy and sec ure!
Great, secure lock. Good strong key too.
This is the best I've found for a 20K Demco coupler. Easy to install, proprietary keys, really really good quality.If you see how its designed and works it'll help understand the cost.If I had a claim w the piece attached to this coupler, at least the insurance co would see I made every effort to protect my asset.Buy Once cry once. If someone gets past this to get your equipment,there was not much you could do to protect it. etrailer has done well carrying quality equipment.zero complaints.
Super great service! Fast shipping!!!
Karen L was a huge help!!!!!
It's built really well! No way anyone is getting it off the trailer without a cutting torch and that would be questionable!
This should provide the security we hope for while the trailer is parked unhitched at a horse show.
Excellent, heavy-duty product!
Doesn't fit snug like I would have expe cted.
Great product and quick fulfillment.
This lock is tough! So glad I bought it. I have so much peace of mind.
Impressive lock. Well machined.
I was disappointed I couldn’t engage ball with the hitch ball clamp assembly after the flange lock was installed.
Good tight fit, tough construction, and a disk core. It has sat out in the elements it's whole life and the lock still spins like new. I did drop the ball portion with the key still in it and it bent the key. That's my fault though. I Like the lock.
I have a car hauler with 2 inch receiver rolled lip. This coupler lock has what I wanted. It should prevent the opportunitistic thief from taking trailer.its a solid lock . I leave a trailer off-site so it's just added insurance. It will take some grinding to get off. Key is heavy and solid so shouldn't break in lock. Happy with purchase.
The lock is heavy duty and great. But it DID NOT work on my 2022 Jayco Micro. The lock mechanism needs to be about ?” shorter to clear the lower lip of the trailer hitch. e trailer wanted a 20% restocking fee plus for me to pay for shipping since I was outside my return window. The trailer was in for service so I could not test it out before the return policy ended. So I am either going to sell it or try to modify it myself.I would not buy it again for my 2022 Jayco.
This AMP Lock Trailer Coupler Lock might be expensive but you get what you pay for here I believe. I have purchased 3 of these based on what I believe to be a quality product.
I had a friend recommend this to me a year ago. Excellent lock for securing my car hauler! I recommend this to anyone that needs a trailer lock.
Nice lock for my Air Stream Bambi, just what I needed, between this lock and my new wheel chuck locks from Etrailer.com it should not get stolen again. thanks Etrailer for my new lock setup.!
Solid made, would be very very time consuming to overcome this lock , The lock cylinder is on the bottom, is harder to get to for locking and unlocking, That's ok is harder for thief to overcome it, This lock is well made and very heavy, Im glad to have this.
This lock is a solid and hefty piece of equipment. Make sure to get the right model for your set-up. The width of the lip on my trailer was 3.75” and the lock fits like a glove.
Has worked flawlessly for over a year stored outdoors in Chicago. Finish seems to be holding up and the action still works smooth. This is a very robust design that would be difficult to defeat.
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Gps N.
10/3/2022
great