Are you planning to buy semi trailer locks, and are you confused about the options ? This page is just for you.

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Our Top Picks:

Best Overall: Buy: Boyisen Semi Trailer Lock READ REVIEW

Best For High Quality: Buy: Equipment Lock Company Semi Trailer Lock READ REVIEW

Best For Heavy Duty Construction: Buy: Vulcan Semi Trailer Lock READ REVIEW

Best For Power Sports: Buy: Trimax Semi Trailer Lock READ REVIEW

Best For Great Price: Buy: Roadpro Semi Trailer Lock READ REVIEW

Best For Simple Installation: Buy: Bisupply Semi Trailer Lock READ REVIEW

Best For Rust Resistance: Buy: Amplock Semi Trailer Lock READ REVIEW

Best For Container: Buy: Sincerityli Semi Trailer Lock READ REVIEW

Best For Enclosed Trailer: Buy: Proven Industries Semi Trailer Lock READ REVIEW

Best Overall: Boyisen Semi Trailer Lock

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If you want nothing short of the optimal lock for your daily usage, this Boyisen Semi Trailer Lock is certainly the best investment. The boyisen semi trailer lock is made of solid steel instead of casting steel, strong enough to be weather resistant, hard to break. Heavy duty steel, drill resistant steel material with well coated, prevents the lock from breaking or weather corroding. Moreover, the lock works well for a low price and it is simple.

The lock is ideal for trucking companies, RV dealers or fleet drivers, used for rvs, boats and camper container trailer.s. And, it fits a standard - sized king pin. Above all, the boyisen semi trailer lock allows for high visibility, is good for universal fit and it is inexpensive.

Most buyers found that the lock fits as described and locking and unlocking is easy. Further, a few say that the lock will move to another one without a lock. Also, they strongly agree that the strongest lock, but good enough to keep the honest thieves away.

• This is mainly a deterrent for the "casual" thief looking for an easy score.
• This is perfect for anti theft and it is flat.
• This fits with the adapter on the pin box.
• This is easy to install as advertised.

Best For High Quality: Equipment Lock Company Semi Trailer Lock

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Compared with other locks in this category, the Equipment Lock Company Semi Trailer Lock has a convenient design. The equipment lock company semi trailer lock can buy for good value, allows for perfect size and it is very rugged. Lose the landing gear leg lock. Moreover, this is perfect for semi-trailer security as a parked trailer becomes immobile.

The lock is good for high visibility and it is small. In addition, the lock is made with a lock mechanism, is great for high quality semi truck accessories and it works perfectly. Most importantly, the equipment lock company Semi trailer lock is highly recommended and it works as advertised.

Most buyers agree that the lock is great for big containers. Further, they 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. And, a few also found that the lock is perfect both as a super duper heavy duty lock that is virtually impenetrable.

• This has worked as advertised for over a year.
• Set or change your own 4 digit code.
• This is made of steel with a red powder coat finish.
• This lock works very well and it is easy to use.

Best For Heavy Duty Construction: Vulcan Semi Trailer Lock

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The Vulcan Semi Trailer Lock's superior materials make sure that it ages well with use. The vulcan semi trailer lock is extremely durable, It is suitable for heavy duty construction and has a great design. This lock is designed to last for years and years and can be moved from trailer to trailer depending on your security needs. The would - be thief sees the lock they will almost always move on to an easier target.

Lastly, the vulcan semi trailer lock is an extra visual indicator to prevent accidental attempts to hook up to the trailer while the lock is engaged.

Almost all buyers found that the lock is, the lock is easily accessible and can be drilled quickly. Further, they also found that the lock is mainly a visual deterrent as the locking feature is housed in a large nut welded onto the side. In addition, a few say that the key should be inserted, but it would eliminate the ability to drill out the lock.

• Manufacturer says: no other supplier can match our industry knowledge and experience.
• This is the original inventor of the car tie down.
• This king pin lock is designed for use on semi trailer king pins.
• This includes a slide bolt lock and two keys.

Best For Power Sports: Trimax Semi Trailer Lock

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The Trimax Semi Trailer Lock's high-end materials make sure that it ages well with use. The trimax semi trailer lock is a great item, provides one with good idea and it looks great. Make sure this fits by entering your model number. Further, the lock provides maximum security for marine, trailer and tow, rv, performance truck, power sports and bicycle applications.

The lock has great locks, it is perfect for great quality and has a clever design. In addition, the lock is very tough, it works okay and has a tough design. Finally, the trimax semi trailer lock is made with a lock mechanism, is rock solid, it feels well made and has a good design.

Almost all buyers quickly discovered that the lock could not be cut like normal locks. Moreover, they strongly agree that the lock fits well on a haulmark trailer, heavy and well built. And, they say that this lock is like bullet proof. To sum up, many customers have used the trimax semi trailerlock for more than a few months without any problems, and it shows no sign of giving up.

• This will cost more to ship it back.
• This is the world’s leading lock manufacturer providing customers’ high quality products through innovative design.
• This is easy to use and is very secure when locked.
• This is tough and it works smoothly.

Best For Great Price: Roadpro Semi Trailer Lock

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Best part: Roadpro Semi Trailer Lock costs comparatively low and it is available to ship in 24 hours. The roadpro semitrailer lock allows for easy install, It does the job and has a durable design. Make sure this fits by entering your model number. And, the lock is made for super heavy duty, It is designed for a great price and has a simple design.

Finally, the roadpro semi trailer lock is visible, It is very solid and has a good design.

Most customers found that the lock fits and works great. and fits perfectly, not a problem. In addition, a few strongly agree that the lock fits great without a lube plate. Moreover, a few also found that the lock plunger articulates outward into the big round cavity and butts up against the top side of the lowest lip of the kingpin itself, which prevents the whole lock from being removed from the kingpin. To sum up, most customers agree that the lock suits them best, and no one questions it.

• This one now has a king pin lock and is stored in a different location.
• This is very simple, it is perfect for a good solid piece and has a clever design.
• The key fits well and does n't bind when locking or unlocking.
• This is made of heavy steel. definitely not something that would easily be cut.

Best For Simple Installation: Bisupply Semi Trailer 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 Bisupply Semi Trailer Lock is exactly that - it's a simple lock that hits all the right notes. The bisupply semi trailer lock is simple and it resists rust. Make sure this fits by entering your model number. Furthermore, this includes a 3-inch (7.6 cm) tall king pin hitch lock with slide bolt pin, 2 keys, and a plastic warning tag.

Most importantly, the bisupply semi trailer lock makes for a great buy, is great for anti theft and it is made with heavy-duty steel construction.

Almost all buyers quickly discovered that the lock is perfect for the fifth wheel. Moreover, a few strongly agree that the lock works with the capture plate from a pull-rite hitch. Moreover, a few also found that the lock is easy to use and gives a little extra piece of mind. Overall, most buyers agree that the lock suits them best, and no one questions it.

• This lock is bullet proof, works flawlessly.
• This works perfectly and it allows for simple installation.
• Lot of satisfied buyers.

Best For Rust Resistance: Amplock Semi Trailer Lock

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Compared with other locks in this category, the Amplock Semi Trailer Lock has a convenient design. The amplock semi trailerlock is simple, It is great for high quality materials and has a great design. The Manufacturer says: Our lock pin is conical to prevent traction with chains and fitting of modified hitches when unhitched. In addition, this can ask for good quality, is good for liquid nitrogen, it has resist to torch cut and has a simple design.

The lock is ideal for peace of mind, It works well for corrosion resistance and has a durable design. Lastly, the amplock semitrailer lock can be used by amplock provide good rust resistance for use in all climates.

Almost all customers quickly discovered that the lock is a good deterant against any thieves.

• Lock was recommended by Canadian insurers.
• Absorb shock instead of breaking, the lock will fold / bump after impact.
• Opportunity to have additionnal keys or lock keys alike.
• mass of material 10 pounds heavy that slows down all cutting type attempts.

Best For Container: Sincerityli Semi Trailer Lock

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Next on the list, we've got yet another lock that manages to win our hearts. It's the Sincerityli Semi Trailer Lock and it's widely considered as the lock that has the most suitable features. The sincerityli semi trailer lock is high-efficiency to utilize this lock with a spring lock made of tubular pins. Minor adjustments may be made to align the locking pin and holes. And, this works with part number, is made with high-quality steel and it works like a charm.

The lock can be used in trailers, storage container,s construction office site. Further, the lock is suitable for container and semi-trailer box body, also be adapted to warehouse door locks and construction site office door locks. Above all, the sincerityli semi trailer lock is suitable for wide use and it is black.

Most customers opine that the lock is affordable and works great. And, they say that the lock will be a tight squeeze and fit but it will latch to the cargo doors.

• This is made with a lock mechanism and it is constructed with high-quality.
• Good brand reputation.

Best For Enclosed Trailer: Proven Industries Semi Trailer Lock

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The proven industry semi trailer lock should be able to handle its purpose and duties with ease. Further, this cargo and semitrailer lock is constructed from alloy steel and powder coated for ultimate security. From r.v and boat trailers to utility and cargo trailers, proven industries have designed and patented a lock to fit every type of trailer on the market. Lastly, the proven industry semi trailer lock.

• Good investment for the long term.
• One of the newcomers and featured product.