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The Collar Trailer Hitch Lock for Bulldog-Style Couplers (Including The RAM)

4.8 4.8 out of 5 stars 214 ratings
Amazon's Choice highlights highly rated, well-priced products available to ship immediately.
Amazon's Choice in Towing Hitch Locks by Collar Marketing

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Purchase options and add-ons

  • Protects Against Trailer Theft & Unauthorized Use
  • Security While Attached To or Detached From A Vehicle
  • Heavy Duty Stainless Steel Body Resists Cutting, Grinding and The Elements
  • Works With All Bulldog and Ram Latch Styles - See pictures for examples of couplers that it fits.
  • Made in the U.S.A
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$79.95
Get it as soon as Wednesday, Mar 27
Only 20 left in stock - order soon.
Sold by Heartland Lock and ships from Amazon Fulfillment.
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$19.54
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In Stock
Ships from and sold by Amazon.com.
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$39.18
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The Collar Trailer Hitch Lock for Bulldog-Style Couplers (Including The RAM)
The Collar Trailer Hitch Lock for Bulldog-Style Couplers (Including The RAM)
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Price$79.95-16% $30.99
List:$36.99
$45.38$99.99$12.49$300.00
Delivery
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it as soon as Wednesday, Mar 27
Get it Mar 27 - 29
Customer Ratings
Easy to use
4.9
4.6
4.9
4.6
4.7
Value for money
4.5
4.5
4.4
3.8
4.4
Easy to install
4.6
4.7
4.5
3.8
4.9
Sold By
Heartland Lock
Partner Co., Ltd.
Antivanl
Kohree
Gripon
Proven Industries

Product Description

The most secure product on the market to secure Bulldog-Style trailer couplers whether or not the trailer is attached to a vehicle. Most other locks only work when the trailer is unhooked, but thieves often steal them right off the back of a vehicle. High quality. Stainless Steel. Made in the U.S.A. Works with a variety of padlocks. ****DISK PADLOCK NOT INCLUDED****

Product information

Technical Details

Additional Information

Warranty & Support

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Product Warranty: For warranty information about this product, please click here

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The Collar Trailer Hitch Lock for Bulldog-Style Couplers (Including The RAM)


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Customer reviews

4.8 out of 5 stars
4.8 out of 5
214 global ratings

Customers say

Customers like the quality, performance, and ease of use of the auto accessory. For example, they mention it's well made, works great, and provides great security. Some appreciate the appearance. That said, opinions are mixed on the fit and value.

AI-generated from the text of customer reviews

22 customers mention22 positive0 negative

Customers are satisfied with the quality of the auto accessory. They mention that it's well-made, substantial, and secure. The chain and lock combination are extremely tough, and the hardened steel collar is heavy weight. Overall, customers are happy with their purchase and recommend it to others.

"Fairly substantial. Works as expected, fits on Bulldog coupler, takes standard padlock." Read more

"...This is a very heavy duty lock that perfectly fits that style of hitch. I like that I can use it to secure my trailers on and off my trucks...." Read more

"This is a heavy weight hardened steel collar. Not soft aluminum or mild steel. It works good...." Read more

"...Very well made with welded sealed hinge. All you do is add your own padlock...." Read more

19 customers mention19 positive0 negative

Customers are satisfied with the performance of the auto accessory. They mention that it works great as a deterrent.

"Fairly substantial. Works as expected, fits on Bulldog coupler, takes standard padlock." Read more

"...Not soft aluminum or mild steel. It works good. With a puck style lock it will protect the trailer from being hitched...." Read more

"...So far works well and would recommend if you don't want to spend 3x the amount on another device being sold that covers the entire coupling." Read more

"Works well with my trailer and its bulldog coupling...." Read more

16 customers mention16 positive0 negative

Customers are satisfied with the security of the hitch lock. They say it provides the best protection from thieves, and is a great product for securing your trailer. Customers also mention that it's well-built and a good deterrent from theft.

"...wheel clamp to ensure it won't be stolen but this is a great part of the security package. Great product folks." Read more

"...I like the concept. I think it is a great deterrent from theft. No mater what you lock your trailer with, it can still be stole...." Read more

"Well, my trailer didn't get stolen, so there's that. All-in-all, it's a good deterrent...." Read more

"...It secures the trailer both on and off the hitch, so no one can steal the trailer when it is parked at home, nor can they steal it off my truck..." Read more

12 customers mention12 positive0 negative

Customers find the auto accessory easy to use. They mention it goes on simply, is simple but effective, and makes it difficult for that to happen.

"Used this item to lock my trailer, very easy to use just need a good lock." Read more

"...I like the style and easy to use but would have given it 5 stars if it was a little wider...." Read more

"Easy to use how ever I wish it was alittle wider .. would make me feel better..." Read more

"...I was impressed at its strength and the ease of using the Collar...." Read more

5 customers mention5 positive0 negative

Customers are satisfied with the appearance of the auto accessory. They mention that it looks good, has an excellent design, and is a great lock design for a bulldog style hitch.

"...This one seem to fit the bill in price and security. I like the style and easy to use but would have given it 5 stars if it was a little wider...." Read more

"Looks good, fits fairly well, But this product is hugely dependent on the quality of the lock you use, so don't cheap out here...." Read more

"Delivered quickly, clean looking, simple. Not sure how tough it is, secure it with a stainless steel disk lock...." Read more

"Use it on a utility trailer. Excellent design." Read more

4 customers mention4 positive0 negative

Customers like the lock. They say it's a great concept, it can accept most any lock, and it works perfectly. Customers also mention that they must provide their own lock but it works perfect.

"Fairly substantial. Works as expected, fits on Bulldog coupler, takes standard padlock." Read more

"...It's compatible with whatever type of padlock you choose, so you can make this a pretty high security option, or just set it up as a deterrent with..." Read more

"Great lock concept - it can accept most any lock and keeps the trailer latch closed. Goes on simply...." Read more

"as described, quick delivery, easy to use. must provide your own lock but works perfectly." Read more

9 customers mention6 positive3 negative

Customers are mixed about the fit of the auto accessory. Some mention that it fits perfectly, while others say that it was too small and the hole on the collar was slightly small for the lock.

"Fairly substantial. Works as expected, fits on Bulldog coupler, takes standard padlock." Read more

"...I the hole on "The Collar" was slightly small for the lock so put in on the Drill Press and enlarged it by about .040...." Read more

"...This is a very heavy duty lock that perfectly fits that style of hitch. I like that I can use it to secure my trailers on and off my trucks...." Read more

"...It fits both of my bulldog hitches fine." Read more

6 customers mention3 positive3 negative

Customers have mixed opinions about the value of the auto accessory. Some find it worth the price and fits the bill in price and security, while others say it's a bit pricey for what it is.

"...This one seem to fit the bill in price and security. I like the style and easy to use but would have given it 5 stars if it was a little wider...." Read more

"...I did find the price a little high but still worth the peace of mind of using the Collar." Read more

"...One of the wheels, but that would be a daily pain. Great product for the money." Read more

"...A bit pricey for what it is, but it does seem to be high quality." Read more

Dang tough!!
5 Stars
Dang tough!!
I’ve been lookin for a good way to keep my trailers with bulldog hitches from wanderin off. This is a very heavy duty lock that perfectly fits that style of hitch. I like that I can use it to secure my trailers on and off my trucks. If you are hesitating cause of the price, don’t. Just remember how much your trailer cost. I’m buying more now that I know how well these secure bulldog hitches.
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Top reviews from the United States

Reviewed in the United States on April 10, 2023
Reviewed in the United States on October 12, 2023
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5.0 out of 5 stars Dang tough!!
Reviewed in the United States on October 12, 2023
I’ve been lookin for a good way to keep my trailers with bulldog hitches from wanderin off. This is a very heavy duty lock that perfectly fits that style of hitch. I like that I can use it to secure my trailers on and off my trucks. If you are hesitating cause of the price, don’t. Just remember how much your trailer cost. I’m buying more now that I know how well these secure bulldog hitches.
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Reviewed in the United States on June 11, 2023
Reviewed in the United States on June 19, 2023
Reviewed in the United States on April 18, 2023
Reviewed in the United States on April 3, 2022
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Reviewed in the United States on August 29, 2023
Reviewed in the United States on August 5, 2023