We consider a trailer barrel lock to be a worthy investment in the long run. Let’s take you step by step, type by type, and find the best trailer barrel lock for you.

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Our Top Picks:

Best Overall: Buy: Curt Trailer Barrel Lock READ REVIEW

Best For Universal Compatibility: Buy: Metoware Trailer Barrel Lock READ REVIEW

Best For Worth The Price: Buy: Equipment Lock Company Great Lock READ REVIEW

Best For Bike Rack: Buy: Master Lock Trailer Barrel Lock READ REVIEW

Best For Securing The Hitch: Buy: Trimax Hitch Lock READ REVIEW

Best For Rust Resistance: Buy: Motormic Trailer Barrel Lock READ REVIEW

Best For Trucks: Buy: Trimax Trailer Barrel Lock READ REVIEW

Best With Premium Material: Buy: Czc Auto Trailer Barrel Lock READ REVIEW

Best For Very Sturdy Feeling: Buy: Master Lock Diameter Pin READ REVIEW

Best For Trav Trailers: Buy: Reese Trailer Barrel Lock READ REVIEW

Best For Solid Steel: Buy: Equipment Lock Company Trailer Barrel Lock READ REVIEW

Best For Anti: Buy: Czc Auto Trailer Coupler Lock READ REVIEW

Best Overall: Curt Trailer Barrel Lock

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The lock is a must have add-on for your daily use. The Curt Trailer Barrel Lock is worth the money, It is very solid and has a very good design. This makes unlocking the hitch lock fast, easy and convenient whenever hitching up your vehicle and trailer. This curt hitch lock features a deadbolt design and comes with a 5/8 " pin diameter to fit a 2 ", 2 - 1/2 " or 3 " receiver tube size.

Most importantly, the curt trailer barrel lock allows for easy install, It is very loose and has a good design.

Most customers quickly discovered that the lock is a well - made lock and excellent value. Further, they strongly agree that the lock is a nice solid hitch lock. Moreover, a few also found that the pin is 58 diameter and the lock mechanism does not need a key to lock it in place.

• This works smoothly, has nice locks and it is great for a fair price.
• It feels sturdy, it is designed for very heavy duty and has a great design.
• This lock will make sure nobody steals it.
• This comes in two sizes and also works well on hitch.

Best For Universal Compatibility: Metoware Trailer Barrel Lock

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The Metoware Trailer Barrel Lock's high-end materials make sure that it ages well with use. The metoware trailer barrel lock is quite sturdy and can carry up to 30, 000 lbs, twice as much as that of common pin locks. It’s a newly upgraded trailer hitch receiver lock with all metal construction. The lock includes a rubber cap and 8 rubber o - rings, which effectively keep the keyhole away from dirt, dust, water and prevent any rattling noises.

The lock is compatible, it is designed for universal compatibility and has a durable design. Finally, the metoware trailer barrel lock is made for heavy duty trailer hitch pin lock.

One customer says - "Lock does not obstruct access to safety chain slots on the receiver. ". Almost all customers quickly discovered that the lock is the best choice for receiver hitch lock.

• The hitch lock features high quality solid steel with black electrophoretic paint.
• The core of the lock is made of premium zinc alloy tubular.
• This comes with warranty service and has a universal design.

Best For Worth The Price: Equipment Lock Company Great Lock

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Equipment Lock Company offers a variety of locks for personal choice and yet maintains quality in all the variants. The equipment lock company Great Lock fits doors 32" - 40" apart. The lock weighs 13 lb. The equipment lock hdcdl steel cargo door lock is an adjustable - width, keyed lock made of steel to secure both doors of a semi - trailer or storage container.

The lock works as advertised and it is great for high - quality semi truck accessories. Most importantly, the equipment lock company Great lock is available for the heavy duty cargo door lock for odd size container bars 17.

Almost all customers opine that the lock does not have enough inner bar to make it feel very stable. Also, a few strongly agree that the lock is perfect both as a super duper heavy duty lock that is virtually impenetrable. And, a few say that the lock will not stop someone trying to get in that they know what they are doing, but it sure will slow them down. To sum up, buyers found this to be one of the best locks for daily purposes.

• This is powder-coated orange for high visibility and to help resist corrosion.
• This comes with a built in high security barrel lock.
• This is ideal for easy use and it can be bought for good value.
• This fits all whiting and it is highly recommended.

Best For Bike Rack: Master Lock Trailer Barrel Lock

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Master Lock offers a variety of locks for personal choice and yet maintains quality in all the variants. The Master Lock Trailer Barrel Lock has a precision 4 pin tumbler mechanism that resists picking. It consists of a 4-pin tumbler mechanism which resists picking. The master lock 1471dat features a 3 1/2 " long trailer coupler latch lock, designed to fit ufp couplers.

Lastly, the master lock trailer barrel lock works fine and it fits great.

Most buyers agree that the lock could possibly be used as a nose ring for some scofflaw.s. In addition, they also found that the lock fits in where the ball goes. And, they strongly agree that this lock is not offered in a keyed alike option. To sum up, many have used the master lock trailer barrel lock for more than a few months without letup, and it shows no sign of giving up.

• This is great for wide trailer tongue.
• This is made from solid brass, offering a long - lasting life.
• This disconnects easily, is used for boat trailer and it is very happy.
• This is strong enough for both uses.

Best For Securing The Hitch: Trimax Hitch Lock

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Trimax makes beautiful and great locks with classic and smartly chosen materials. The Trimax Hitch Lock is made with great customer service, It is very heavy and has a more robust design. Make sure this fits by entering your model number. This lock features a huge 6 - tooth, 3/8 " dual ratchet locking system, a hardened 5/8 " 16 mm steel shackle, and 1/2 - turn technology that can not be false locked.

The lock is surprisingly heavy, it works as described and has a durable design. Lastly, the trimax hitch lock is perfect for outdoor,sssss It worked perfectly and has a great design.

Almost all buyers found that the lock was not foolproof, but it would take a lot of time to break through. In addition, they strongly agree that the lock fits large tongues as well. And, they strongly agree that the lock is great for securing the hitch. In short, buyers found this to be one of the best locks for daily purposes.

• Also, add a trimax coupler lever lock for additional protection.
• This looks tougher than it probably is.
• This provides another layer of protection when used in conjunction with a padlock.
• The key might be hard to duplicate. That could be a good thing.

Best For Rust Resistance: Motormic Trailer Barrel Lock

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We know from years of feedback from readers, amazon sellers, and family and friends what most people want in a convenient and appropriate lock. The Motormic Trailer Barrel Lock is exactly that - it's a simple lock that hits all the right notes. Further, the motormic trailer barrel lock is adjustable by a set of 5 silicone o-rings for perfect fit. A set of two 58" hitch pins with 2 locking systems is recommended for. In addition, the lock looks good, is very nice, it matches with good customer service and has a great design. Finally, the motormic trailer barrellock is available in black 5/8, black 5/8 +1/2, 2pc black 5/8 etc., so, it's likely one of your favorites is in the mix.

Almost all customers opine that the lock can be used as a place to secure a tow strap and pull a truck out of a ditch. And, they also found that the lock provides an additional piece of mind. In addition, a few say that the lock comes with both a 1/2" and 5/8" bar that share a "lock.

• It is great to have a washer between the hitch and the safety clip.
• This review is not about the item 's functionality and reliability.
• This fits "real" hitches without problems.
• This is best for good fit, is highly recommended and it works as advertised.

Best For Trucks: Trimax Trailer Barrel Lock

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We would, of course, be remiss if we didn't mention Trimax Trailer Barrel Lock for regular usage. The trimax trailerbarrel lock is good for extremely heavy duty, is highly recommend, It is difficult to defeat and has a great design. Make sure this fits by entering your model number. In addition, it is very nice, It is easy to operate and has a universal design.

The lock is easy to use and weather resistant. And, the lock features solid steel construction and a thicker body with a 3/8" diameter internal shackle. Lastly, the trimax trailer barrel lock is ideal for gates, trucks and heavy duty security hasps.

Almost all buyers quickly discovered that the lock is used to use padlocks. Also, they also found that the lock would have to try another way in. Moreover, they strongly agree that this is a very rugged lock but the inside mechanism will rust. Obviously, this product passed the test and had very satisfied buyers eager to share their experience.

• This is known from prior reviews.
• This is the world’s leading lock manufacturer providing customers’ high quality products through innovative design.
• This worked out great and it looks sturdy.
• They are a goldcopper color, but they're silver.

Best With Premium Material: Czc Auto Trailer Barrel Lock

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Not everyone likes to purchase a lock for their regular use, but the Czc Auto Trailer Barrel Lock would be an anomoly. The czc auto trailer barrel lock is good for fast delivery, it is fitment and has a very good design. 5/8" black electrophoretic painted carbon steel pin solid and hard to bend, with a 3-1/2" effective length. In addition, the lock is stainless steel, is great for the low price, It is compatible with the hitch rack and has a great design.

Finally, the czc auto trailer barrel lock is great for a fair price and has a good design.

Most buyers agree that the lock is great with gen-y hitches. And, a few strongly agree that the lock has rubber caps to protect the key openings. In addition, a few strongly agree that the lock with a code is unique for the only lock to ensure locking security. Overall, many have used the czc auto trailer barrellock for more than a few months without any issues, and it shows no sign of giving up.

• This has a design for easier use, 4pcs keys for unlocking 2pcs hitch lock.
• This would be perfect with premium material and it is great with a nice key system.
• The lock itself has a rubber cover to protect it from road debris.
• This is perfect and they're at a great price too.

Best For Very Sturdy Feeling: Master Lock Diameter Pin

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Compared with other locks in this category, the Master Lock Diameter Pin has a convenient design. The master lock diameter pin is used for stainless steel, It comes with great safety and has a great design. Make sure this fits by entering your model number. The master lock 2866dat features 1/2 in ( 13 mm ) and 5/8 in ( 16 mm ) swivel head receiver locks.

The lock comes of excellent quality, is made for quick delivery, It has included components and has a tough design. Lastly, the master lock diameter pin fits 1-1/4 inch (32mm) receiver tubes, class ii.

Most customers agree that the lock works well as one would expect from a master lock. Further, they say that the lock comes with a smaller cross bar. And, a few say that the lock fits different applications. In conclusion, many customers have used the lock for more than a few months without any issues, and it shows no sign of giving up.

• This is a solid locking device and takes the worry.
• This works well every time and it is strictly user error.
• This fits on the threaded yakima hitch pin.
• Works great, but spray spray some lub in the lock.

Best For Trav Trailers: Reese Trailer Barrel Lock

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The Reese trailerbarrel lock is specially designed for your regular usage and has all the useful features. The Reese trailer barrel lock is good for special notes and it works perfectly. Make sure this fits by entering your model number. Moreover, it is really nice, is very useful, it is very happy and has a simple design.

The lock works great, has great locks and it is more effective. Most importantly, the Reese Trailer Barrel Lock is a universal coupler lock that secures the trailer when not in use.

Almost all customers opine that the lock can be used on one 5 - week cross country trip and one trip south. Further, a few say that the lock can be used on camping trailers and utility trailer camping trailers stay on the street, so it is good to have it secured. And, they strongly agree that this set is well thought out and feels very secure. In conclusion, many have used the reese trailer barrel lock for more than a few months without letup, and it shows no sign of giving up.

• This includes swiveling clip additionally fits both 5/8 in., and 1/2 in.
• This can be cut easily with the right tools.
• This is stolen in a matter of five minutes.
• This fits a 2 5/16 coupler, not well, it does work.

Best For Solid Steel: Equipment Lock Company Trailer Barrel Lock

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The Equipment Lock Company Trailer Barrel Lock's superior materials make sure that it ages well with use. The equipment lock company trailer barrel lock is very nice, It is suitable for very heavy duty and has a durable design. Easy to follow instructions to ensure maximum protection for your trailer to moving equipment. Also, it is compact, it is good for universal fit and has a universal design.

The lock fits most any enclosed, is very heavy, It is best for customer service and has a compact design. Further, it is designed to worth every penny, It is very strong and has great design. Most importantly, the equipment lock company trailer barrel lock is built with 3/8" plate steel.

And, a few also found that the lock can be opened very easily by removing the two screws which secure the lock core. With no doubts, this lock passed the test and had very satisfied buyers eager to share their experience.

• This allows for adjustable locking depths.
• This happens. The lock must be wiggled a lot before it unlocks.
• This is made with quality materials.
• This fits any size ball (1-7/8", 2", 2-5/16") or ring-pintle type trailer hitch.

Best For Anti: Czc Auto Trailer Coupler Lock

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If you want nothing but a lock that is convenient, this Czc Auto Trailer Coupler Lock is certainly a right investment. The czc auto trailer coupler lock works as described and it is good for rust protection. Czc auto trailer coupler lock provides long-term protection for your cars, trucks, boats and vehicles from theft. Also, the lock is used for anti-theft, it is dependable and has a great design.

The lock is made of carbon steel, solid and hard to bend. Above all, the czc auto trailer coupler lock fits latch-type couplers for towing boat truck rv car.

One customer says - "Trailer coupler pin lock works great. ". Most buyers agree that the lock will keep honest people honest.

• Manufacturer says: for convenience, our trailer hitch coupler lock comes with two keys.
• It has a 360 degree rotating head, easy to handle.
• Helps to increase the deterrent effect.
• You can put the spare key in a separate location for emergencies.