Nothing is more frustrating than seeing your trailer gone when you just left it for a few minutes. I should know because I experienced it last summer as a trailer owner. To prevent this from happening, you’ll need the best trailer hitch lock.
These locks keep your trailers from getting pried or picked by thieves and help secure all your belongings. But if you chose the wrong one, then it’s just useless. To help you make the right purchase decision, keep scrolling for reviews and a buying guide.
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Table of Contents
Best Trailer Hitch Lock Reviews
1. Reese 72783 Coupler Lock
This Reese trailer hitch lock is efficiently designed for secure protection from trailer tow-away theft. This RV hitch lock comes in a bright, yellow color to make it highly visible and visually deterrent from possible stealing. Plus, the advanced locking mechanism holds out against picking and prying, making this product a necessary safeguard for your trailer.
I love the lock’s ratchet design because it’s adjustable to fit 11 locking positions. This universal coupler lock fits my 2-inch coupler perfectly. You can also fit this lock on 1-⅞” and 2-5/16” couplers without any problem.
Another thing that I admire about this coupler lock is its high-quality construction despite the price. The body is made of aluminum, while the lock bar is crafted from heavy duty steel. I don’t think this lock cuts very easily unless someone uses a colossal bolt cutter.
The lock comes with two keys, which is common to most hitch lock models. To unlock the Reese 72783, simply turn the key and pull the bar in/out. The quick release of the spring loaded mechanism makes the lock fast and easy to latch.
2. CURT 23518 Trailer Hitch Lock
This Curt trailer lock is crafted from durable stainless steel to keep your trailer and hitch ball mount from robbery. I’m impressed with its barbell locking mechanism because it looks impenetrable to prevent theft. Thanks to its ¼-turn lock activation, unlocking becomes simple as you only need to turn the key 90 degrees.
The hitch lock design goes further than a regular hitch pin as it allows you to lock the ball mount into the trailer hitch. My favorite is the watertight dust cap because it protects the locks’ internal components from the elements.
Hitch locks are most vulnerable to water and dirt. To keep this CURT model safe from harsh weather conditions, it comes with a powder coat finish. I had this lock during the rainy season, and I haven’t noticed any rust forming on the unit.
The CURT 23518 hitch lock features a ⅝-inch pin and 2.85 inches of usable pin to fit most 2” x 2” hitch receivers. I love its low-profile design because it complements well with my receiver. It has a nice clean look that adds elegance to my trailer.
3. Master Lock 389DAT Coupler Lock
The Master Lock 389DAT is a universal coupler lock that aims to safeguard your trailer from possible thieves. The bright red finish seems to dishearten any thief who wishes to mess with my trailer. I like this tongue lock for trailer because it’s easy to install, and it would slow a thief down to try to grin the lock off.
Since this lock takes time to get off, I think the 389DAT can also make a good trailer wheel lock. What’s more interesting is this Master Lock receiver trailer hitch lock uses unique keys. This feature gives me confidence that no one can access the lock except me.
The lock appears to be quite sturdy, and I expect it will be difficult to pry or cut it off. This lock is constructed from forged steel, which is generally strong. I should say that the lock is one the best RV locks out there at this price point.
As for the lock mechanism, I’m surprised that it’s smooth. I never had a problem with unlocking or locking, plus the sliding ball part makes it convenient to use. Also, the lock’s side orientation keeps the lock mechanism from rust and corrosion.
4. CZC AUTO Trailer Hitch Lock
The CZC AUTO lock comes with a ¼ inch diameter hitch pin lock and a ¾ inch length to suit most trailer couplers. I love its small size because it fits nicely in my pocket. As for its key operation, it locks smoothly without any problem.
This coupler lock is developed from durable steel to withstand prying or any robbery attempts. It feels quite heavy duty and looks neat with its black chrome finish. Additionally, the lock isn’t keyed the same, so you can rest assured that no one can access it.
I tried to test whether this lock is prone to corrosion. Pleasantly, this lock doesn’t contain any ferrous metals because there’s no attraction between the lock and the magnet. Also, I have to appreciate the round key because it’s very robust and works smoothly.
I’ve noticed that the locking bar fits just right to the trailer’s hole. Once the in and the keyhole are aligned, you just turn the key about 5-7 times to close. For me, I find this mechanism better than the ones you need to push to lock.
5. Reese Towpower 7014700 Lock Kit
The Reese 7014700 is a good trailer hitch lock set, which includes three devices for easy towing. The set consists of a brass coupler lock, a universal coupler lock, and a dual bent pin receiver lock. My favorite is the dual bent pin receiver lock because it fits on my ½-inch receiver very well.
I love the tongue insert lock because it secures the tongue pull more effectively than latch locks. With the tongue insert lock, you can’t hook up with a smaller ball to bypass it. More importantly, I like that all locks are keyed the same because it reduces the guesswork in unblocking my trailer when I’m in a hurry.
The bright yellow color is an excellent idea because it discourages thieves from prying on the receiver lock. Besides, this lock fits nicely on my 2-inch hitch, and it seems sturdy. I think the lock is made of forged steel, which is usually more rigid than steel.
The best part is the kit includes a swiveling clip, so it’s easy to replace the cotter pins. Additionally, this kit offers great value as it provides three types of locks at one price. Best of all, it comes with a one-year warranty for incredible ease of mind, which is a nice upgrade from my Motormic trailer hitch lock pin set.
6. Master Lock 377KA Trailer Hitch Lock
The Master Lock 377KA offers reliable trailer lock security with its upgraded locking mechanism. I bet anyone who wants to mess with your trailer will have a hard time picking and prying on the lock. Not many locks on this price point work on the 1-5/16-inch mount, but this model does wonderfully.
I love the zinc construction of this travel trailer hitch lock because it effectively fights rust and corrosion. It seems stable enough because I can’t take it off using force. Every time I take the key out, the lock stops sliding to resist picking and prying.
The 377KA locks sideways, so it prevents the water from staying in the pin tumblers. Compared to the locks with a bar that arcs over, this unit’s design is more challenging to break. Plus, its price is unbeatable, given its premium quality.
A significant benefit is the keys can be duplicated in case your keys get lost. To create additional keys, call a locksmith, and specify the key code stamped into the key. The key code is a four-digit number.
7. Reese 7088300 Coupler Lock
When we talk about universal fittings, Reese 7088300 is one of the best coupler locks out there. This lock fits most trailers measuring 1-⅞, 2, and 2-5/16 inches. It dons a bright, silver color to discourage thieves from messing with your trailer.
The U-bolt is hardened steel, while the main body is made of cast aluminum to make sure that no one can break through the lock. This model has a lot of beef because the bottom isn’t hollowed out like the Master Lock 2866DAT. Because this model is advertised as heavy duty, I’m assuming that this would endure from the thieves’ torture test.
I love the pick-proof lock/key design because it definitely slows down someone with an evil plan. Thankfully, this Reese model uses a unique square key so that no one will be able to duplicate the key. If you want your lock to be rekeyed, check your locksmith.
It’s a good thing that the keyhole has a rubber cover because it helps protect the locking mechanism from all weather. Even when it rains, I don’t have to worry about water getting into the keyhole. Considering the lock’s price, it seems to be a great value.
8. Tow Ready 63228 Coupler Lock
The Gorilla Guard lock is another durable protection for your 2-inch trailer couplers. This lock feels heavy, which leads me to assume that it’s well constructed of heavy metal. Since this lock uses the standard flange all over the coupler, it seems to resist being beaten.
I tried to hammer this lock off, but it did very minimal damage. It appears to be made of steel, so you can’t break it easily. Besides the security, the lock is tiny and simple to store when unused.
The finish appears powder coated to resist rust. As for its mechanism, it’s a push to lock for a high-security level. Another thing that appeals to me most is its subtle design making this lock look barely noticeable from afar.
The lock is located underneath, making it even more difficult for a thief to access it. Also, the lock facing downwards makes it also hard for the keyhole to collect ice or rain. Even better, the key is round, making it hard to pick from thieves.
9. Blaylock TL-33 Coupler Lock
The Blaylock TL-33 is an excellent lock for couplers measuring between 2 to 2-5/16 inches. This coupler receiver lock is made of heavy duty aircraft aluminum so that this unit won’t rust. With its solid hardened steel locking rod, you can use a padlock for added security.
Out of all the locks for hitch receivers on the market today, I find the TL-33 the beefiest. This lock is heavy to withstand any torture, and it looks enigmatic with its rough finish. Besides the aesthetic, the rough finish also brings durability against chippings and scrapes.
This TL-33 with a good puck lock is the best way to lock a trailer for the price. It fits my coupler nicely, and my mind will be at ease when I park it anywhere. Security-wise, I think that this combo would take a thief several minutes with a grinder to cut it off.
This Blaylock model might look bulky, but I’m surprised that it weighs less than a large lock. It looks intimidating with its rough look, enough to deter any burglars around. As described, its 3-pin placement fits nicely on my Fulton 2-inch coupler.
10. Trimax UMAX100 Trailer Lock
The Trimax UMAX100 is one of the best utility trailer locks I can find with its beautiful ballistic grade nylon housing. The said housing absorbs hammer blows and shields the lock against the weather. Thanks to its universal fit, this lock is compatible with most coupler types from 1-⅞”, 2’’, to 2-5/16”.
Underneath the nylon, there’s a steel for extra durability. The UMAX100 is one of the heaviest locks I purchased. I think a thief can’t break this off with a sledgehammer easily.
The lock isn’t the only thing that’s durable because the key itself is built with a high security level. Type A key is rugged to prevent bending or breaking. It locks snugly and fills the area allotted for the ball mount.
I love that the keyhole is covered to keep the moisture at bay. Additionally, the lock mechanism joins both the lock bar and arms to add extra security. With the 7-pin lock system, it would at least delay any burglar to steal your trailer.
11. AMPLOCK U-BRP2516 Coupler Lock
If you want maximum security, the AMPLOCK U-BRP2516 might be a perfect choice. Impressively, this trailer coupler can’t be easily compromised with drive-up hand tools. Believe it or not, but this lock even broke the burglar’s tools as I saw them lying on the ground beside my trailer.
This coupler lock is made of heavy stainless steel and cast iron. It weighs around 12 lbs, which sure is heavy and can delay all cutting type equipment. When applied with any impact, the materials absorb the shock and will only fold/bump afterward.
Interestingly, this AMPLOCK model is resistant to liquid nitrogen and torch cut. It offers excellent corrosion resistance, so I have no worries when I bring them to the seaside. Thanks to its cylinder lock, the U-BRP2516 is challenging to pick and drill.
AMPLOCK boasts a formidable construction, thanks to its two heavy pieces. The hitch latch secures the ball insert, allowing easy attachment of the lock part over the coupler. I also like that it molds to fit the shape of my trailer coupler when unfastened.
12. Master Lock 605DAT Coupler Padlock
The Master Lock 605DAT is suitable for 1-⅞ inch and 2-inch coupler latches. This lock is built with a case-hardened steel shackle to fight cutting attempts. I like that it’s designed with an anti-sewing pin, so no cutting tools penetrate the padlock.
I admire the brass case because it looks solid and also pretty. Brass is an excellent material for padlocks because it doesn’t rust. When it tarnishes, it creates an antique look to the padlock.
The best part about this particular Master Lock model is its limited lifetime warranty. This prolonged warranty period gives me peace of mind whenever it gets damaged accidentally. I can ask for a refund or replacement whenever this lock fails me.
More importantly, the keys are unique. I can rest assured that the keys won’t be duplicated. If you want additional keys, you can take the product to a locksmith.
13. GenY 033 Trailer Hitch Tightener
The GenY 033 is an extremely solid item, much heavier than I assumed. This brace fitted my basic ball mount and was quick to tighten, as well as take off. I’m quite pleased that this item fits my 2-inch square ball mount perfectly.
This item stays true with its claim that it helps solve loose hitch issues, like a hanging bike rack. Once mounted on the hitch receiver, the GenY 033 can be left in place. Since using this item, I’ve had no wobbling or noise issues ever since.
Another thing that impresses me is the product’s well-made construction. This trailer hitch tightener is made of shiny aluminum and coated with a clear zinc finish. With this finish type, I don’t need to worry about corrosion anymore.
This tightener comes with two set-screws to keep the item stationary. I love the product’s adjustability because it ensures that the hitch won’t loosen and create a rattling noise. This unit seems to work right, and I like that it stays on the hitch, so I can still utilize my locking pin.
14. Connor 1615320 Trailer Hitch Lock
The Connor 1615320 is made from heavy duty sturdy steel for durability. I previously owned a c lock heavy duty hitch pin where the lock system rusted out, so I bought this Connor one wishing for a better outcome. So far, I’ve had his hitch lock on my trailer for more than six months with no problems.
I mostly use the 1615320 to secure my trailer when I go out to the beach. I love the rubber cap because it sits on pretty tight, despite driving around on a rocky road. Recently, I had a winter road trip, and this lock stays in good condition despite too much exposure from sea salt.
The lock mechanism at a 90-degree angle to the pin, making it easier to access and hold. I like that it’s easy to unlock the 1615320 because it saves me time when I’m in a rush. With the push-to-lock technology, you can guarantee a secure fit every time.
The quality seems adequate despite its low price. The black nickel finish doesn’t only look good, but it also resists rust effectively. I also like that this lock includes two pin sizes because it’s like getting two products for a single price.
What To Know Before Buying Trailer Hitch Locks
Buying a lock for your trailer needs careful consideration because the trailer’s safety depends on that little equipment. It’s not enough to look at the trailer hitch lock at face value. You have to make sure that it fits all your specific needs.
The Different Types Of Trailer Hitch Locks
Like all other products, hitch locks aren’t made the same. They come in various forms, but they serve the same purpose, and that’s to keep your trailer from being stolen. Here are the various trailer locks that you should consider when looking for the right one.
- Receiver Hitch Locks
The receiver hitch lock fits crosswise into your towing vehicle’s receiver hole. These locks are perfect for securing your hitch trailers, so they can’t be taken out without a key.
Basically, these are metal pins with locks on the edges. Some of these receiver hitch locks have two locks on the side, while others have a crooked end to prevent being pulled out.
- Coupler Hitch Locks
With a design that’s similar to a U-lock that you find for bicycle security, coupler locks are popular in preventing unwanted hitching. These locks usually come with a ball and shackle to help secure the hitch over the top. Frequently, the shack is adjustable to make sure that the lock won’t get loose.
The best examples of coupler locks are Reese models, like the 72783 and 7088300.
- Hitch Pin Locks
A trailer hitch pin lock uses the basic spring steel clip to keep the hitch pin secured. However, many models reinforce protection with more developed features. I prefer the basic model because it’s good enough to keep the hitch pin secure and hold up for very long.
However, this kind of lock might get taken away easily and reattach to another vehicle. I suggest using a visual deterrent hitch pin lock to deter thieves from messing with your belongings.
Benefits And Drawbacks Of Trailer Hitch Locks
The main benefit of a hitch lock is to protect your trailer from thieves when you’re away. A hitch lock binds the receiver and the trailer hitch together. The coupling can only be broken when you unlock it with the designated key.
After you have set this lock onto your trailer, it will be hard for the thief to lift the receiver and run with your trailer. The best locks are even impenetrable from any torture. If you want to ensure that a thief won’t break into your lock, attach a shackle.
Besides security from thieves, a trailer hitch lock also ensures that your coupler latch won’t get dislodge while traveling. It keeps your trailer and tow vehicle from wobbling and creating a rattling noise.
However, some locks can get mutilated with the right equipment. Experts can pick on the lock or even beat it with a strong hammer. To achieve the best protection, look for durability and robust locking mechanisms.
What To Look For On A Good Trailer Hitch Lock
Of course, your trailer’s security depends on the hitch lock. To make sure that you have made the right purchase decision, here are certain things that you might want to consider.
- Design Fit
For hitch locks, you have to choose between two designs: universal or deadbolt. Universal locks are more versatile as they can fit a variety of coupler styles and brands. These locks often have a metal ball to fit the trailer and a bridge above the ball to keep the equipment securely in place.
Universal locks often fit with coupler sizes 1-⅞”, 2”, and 2-5/16”. These models are perfect if you own multiple trailers or plan to use a different trailer.
Also known as deadbolt locks, hitch pins are made in a way that they fit into the coupler’s drilled holes. These locks usually give a tighter fitting than their universal counterparts; hence they’re more famous for RV camping. Since these locks will be bolted onto your coupler, get the exact dimensions.
- Locking System
If you want your lock to be impenetrable from picking and prying, look for a lock with a formidable locking system. A barbell locking mechanism makes the lock fit more snugly into your hitch, adding another layer of security. For ease of use, look for a push-button lock mechanism.
Some of the best hitch lock systems allow a third-party padlock to provide more flexibility. For example, Blaylock TL-33 enables you to use a padlock to reinforce the lock.
- Rubber Lid/Cap
You want your locking mechanism to always perform at its best, or you’ll end up with faulty locking equipment. To protect your locking mechanism, look for a rubber lid to cover the keyhole. The rubber lid will protect the lock from dust, rain, and other elements that might damage the inner parts.
You’ll want the lock to be as robust as possible so that it can endure any hard beating. The best locks are made of hard steel and aluminum. They often have come with a corrosion-resistant zinc or chrome finish to extend the life of the lock.
An effective way to deter a thief from his evil plans is to get a visible trailer hitch lock. Look for bright colors as they’re easily visible, plus they give a nice aesthetic to your trailer. The most popular colors used are yellow and red.
An extended warranty is a great assurance that the lock can last for a long time. The longer the warranty, the more durable a product seems to be. Most hitch locks offer the basic 1-year warranty, while the top-rated ones provide a lifetime warranty.
Who Makes The Best Trailer Hitch Lock
When we talk about trailer hitch locks, Reese is a top brand you shouldn’t ignore. Reese makes the best hitch locks, like the 72783, which offer the most durable locking mechanisms. Most of their locks are built with bright colors to provide visual deterrence.
Master Lock is a good contender with its innovative products, like the 389DAT, with its advanced locking mechanism. This brand is capable of creating great locks that suit well in various settings.
When it comes to durability, Connor takes pride in its dependable strength. For example, the 1615320 is engineered to improve durability with its hardened steel and black nickel finish. Proven Industries trailer lock is also worth mentioning with its high strength and security.
How Does A Trailer Hitch Lock Work
A trailer hitch lock is used to link your trailer onto your towing vehicle’s receiver. It fits crosswise and slides into the trailer hitch’s designated hole for easy hookup. Once locked in, the pin slips between the trailer tongue and the receiver.
Fundamentally, a lock fits tightly over the hitch ball to prevent the hitch from getting stolen. The coupler’s size should be similar or greater to the hitch ball’s weight capacity to ensure a safe connection between the lock and the hitch ball. Usually, you take off the keyhole’s rubber lid, insert the key, and turn the pin to unlock or lock.
What’s The Best Anti-Theft Lock For Travel Trailers
A hitch coupler lock is the anti-theft lock for travel trailers as it prevents anyone from moving your trailer. There are many hitch coupler lock models, but my favorite is the Reese 72783 because it makes it hard for anyone to pick or damage the lock.
How Do You Lock A Trailer So It Can’t Be Stolen
Double the security and add a hitch pin lock to the existing coupler lock so as tighten the security of your trailer. When parking, consider putting some wheel stabilizers/clamps to keep the tires from moving. A wheel chock lock also helps in keeping your trailer from being stolen.
How Do I Make Sure My Trailer Is Secure
Try putting a security post if your trailer is parked overnight on commercial places besides using hitch locks, wheel locks, and wheel clamps. The said post needs to be installed in concrete to serve as a bollard. When you park your trailer, turn it around the parking spot to deter probable thieves.
Lock the door and keep your valuable possessions safe. Also, consider putting some GPS trackers on your trailer. This device will help you track the trailer’s location on your mobile devices via an app in case your trailer gets stolen.
How To Use A Trailer Hitch Lock
First, insert the key to take off the top bar and open the coupler. Next, put the ball-shaped top inside, then lock it. Finally, place the top bar back on and lock the bar securely.
Where Can I Buy A Trailer Hitch Lock
You can buy trailer hitch locks in your local hardware stores. I also found some good brands in Walmart. If you don’t want to go outside, buy online on Amazon.
After reading this article, I hope you have a good brand in mind. While all the products are excellent, I recommend the Reese 72783 as the best trailer hitch lock. This model ticks everything I need for a hitch lock- it’s a good visual deterrent, heavy duty, and provides a universal fit.
For easy operation, consider the CURT 23518 with its barbel-style locking hitch pin. The Blaylock TL-33 is a great complement with a puck lock for better security. If money isn’t an issue, AMPLOCK U-BRP2516 provides all the security you need.
Okay, so I’m Philip Lopez. I join Riverside Trailer as an editor, where I will be doing research for both content and reviews. I contribute to studies aimed at understanding the most typical problems encountered by RVers on the road. I also keep up with the newest RVing gadget innovations so that I can promptly evaluate and recommend the best options.