10 Best Trailer Hitch Locks

Best trailer hitch locks
(Last Updated On: July 24, 2020)

Being conscious of the things we own is human nature. And why should we not, because it’s about security. And here we are telling you how to secure your trailer with a hitch lock. It keeps your trailer hitch and the receiver together to prevent them from thieves. You cannot think that trailer is safe just because of its huge size, anyone an intentionally or unintentionally hitch that up.

To ensure the safety of your trailer and receiver, here are listed 10 best trailer hitch locks and it is completely up to your choice to get the best one for you. Customers review and manufacturer information will help you to choose the suitable product for you.


Brand NameProduct ImageView on Amazon
REESE Towpower 72783 Trailer Hitch LockSony DSCW800/B
AMPLock U-BRP2516 RV/Trailer Coupler LockSony DSCW800/B
Master Lock 2866DAT Trailer Hitch LockSony DSCW800/B
Master 389DAT Lock Couplers Trailer LockSony DSCW800/B
Cocoweb HL-58BK C-Lock Heavy Duty Hitch PinSony DSCW800/B
Master Lock 377KA Trailer Hitch LockSony DSCW800/B
Connor Trailer Hitch LockSony DSCW800/B
Tow Ready 63228 Gorilla Guard’ Coupler LockSony DSCW800/B
Motormic Trailer Hitch LockSony DSCW800/B
Trimax UMAX100 Universal Trailer LockSony DSCW800/B


1- REESE Towpower 72783 Trailer Hitch Lock

REESE Towpower 72783 Trailer Hitch Lock is highly durable with its strong aluminum body that connects to a lock bar that is made with heavy-duty steel. This is a Ratchet-based design that comes with eleven separate locking potions that makes it suitable for a wide variety of trailer types as it can fit easily with different coupler sizes. It is not only resistant to physical attacks like prying but also aptly resist most forms of lock picking. It can be opened only with one of the two included keys. Moreover, this simple and reliable trailer hitch lock is one of the best investments you can make to secure your trailer.


    • Material                                           Aluminum and steel
    • Lock Type                                      Universal coupler lock (1-7/8 inches, 2 inches, 2-5/16 inches)
    • Weight                                              454 grams



    • Has adjustable storage
    • An essential accessory for all trailer types.
    • Easy to install.
    • Durable construction.
    • Lock pick-resistant.


2- AMPLock U-BRP2516 RV/Trailer Coupler Lock

AMPLock U-BRP2516 RV/Trailer Coupler Lock is easy to install with its special push and lock system. Its durability is ensured by its quality construction material that is not only rust-resistant but is also able to cope up with different harsh weather conditions. Each of its locks has a unique key that cannot be replaced with a copy of the key and this model is also supposed to modify the shape of the coupler making it more difficult for the thieves to get it off.


  • Material                                                                    Stainless steel, heat-treated, and ducted cast iron
  • Lock Type                                                                RV/Trailer coupler lock (2 5/16 inches)
  • Weight                                                                   44 kilograms



    • The strongest lock.
    • Key identification and control system
    • Cylinder lock location
    • Reliable fit.
    • Shock-absorbing materials

3-Master Lock 2866DAT Trailer Hitch Lock

Master Lock 2866DAT Trailer Hitch Lock is a very simple and straight forward lock system that prevents opportunist to take advantages of weak points. It comes with its easy installation system due to its push-to-lock mechanism but you still need a key to unlock it. Moreover, it is aptly sealed and has a watertight cap to resist bad weather conditions. Its 4 pin tumbler makes it difficult for anybody to pick this trailer hitch lock. Its locking head can rotate about 360 degrees to conveniently face forward.


    • Material                                                         Steel
    • Lock Type                                                  Generic coupler lock (13mm and 16mm receivers)
    • Weight                                                           499 grams



    • Small size and portable
    • Reliever lock for more security
    • Lock picking-resistant.
    • Snap-on-cover
    • Strong security with easy access


4- Master 389DAT Lock Couplers Trailer Lock

Master 389DAT Lock Couplers Trailer Lock is a complete package due to its extraordinary qualities. It comes with not only its easy installation system but is also quick enough to lock your trailer so you don’t need to handle too many pieces. It comes with corrosion-resistant quality. This trailer hitch lock has a durable outer shell that covers its advanced lock mechanism from lock picking. It is also resistant to physical attacks and prying. It is also suitable for different coupler sizes.


    • Material                                                   Forged steel
    • Lock Type                                                Universal trailer lock (1-7/8 inches, 2 inches, and 2-5/16 inches)
    • Weight                                                      907 grams



    • Simple locking and unlocking process.
    • Universal size
    • Has bright red finish
    • Corrosion and rust-resistant.
    • Prevents lock picking

5-Cocoweb HL-58BK C-Lock Heavy Duty Hitch Pin

Cocoweb HL-58BK C-Lock Heavy Duty Hitch Pin offers great protection with its special features. It can handle not only harsh climate conditions but is also efficient enough to withstand against rust even after long term exposure with water. It comes with a waterproof cap. And above all, its dirt and grime resistance makes it safer to get it. You just need to slide it into proper place and lock the pin. It comes with a barbell locking system that not only makes it difficult to open for thieves but also makes it extra durable. It can only be opened with one of the two keys.



    • Material                                                                        Steel
    • Lock Type                                                                    Locking pin (5/8 inches)
    • Weight                                                                       87 grams



    • Versatile
    • Waterproof cap design.
    • No drilling required
    • Unique laser cut keys
    • Quick and Simple installation.

6- Master Lock 377 KA Trailer Hitch Lock

Master Lock 377KA Trailer Hitch Lock is versatile enough to work in different coupler sizes. Not only has it offered security for trailers but also for different vehicles including RVs. It is highly efficient to resist lock picking and prying with its advanced locking mechanism. It comes with two keys for an emergency spare. Its special zin construction makes it more resistant against rust and corrosion.


    • Material                                                                      Zinc
    • Lock Type                                                                  Trailer hitch lock (1-7/8 inches, 2 inches, 2-5/16 inches)
    • Weight                                                                      9 grams



    • Durable construction
    • Made with corrosion-resistant material
    • Supports multiple coupler sizes.
    • Works on various vehicles and trailer types.
    • Tough design with advanced locking system

7-Connor Trailer Hitch Lock

Connor Trailer Hitch Lock can support different hitch classes with its versatile design and secured them all in the same way. It comes with a simple click-in operation, that locks the receiver instantly and you just need a key to open it. Moreover, it allows you to tow up to 20,000 GTW. Its lightweight and small size makes it easy to carry around. Its overall strength is improved by its internal components that are carefully designed. Moreover, its weather-resistant feature makes it even safer.


    • Material                                                              Solid steel with a nickel finish
    • Lock Type                                                        Locking pin (5/8 inches)
    • Weight                                                              89 grams



  • Durable and lightweight.
  • Auto-lock and release system
  • Made with heavy-duty solid steel
  • Black nickel finish
  • All-weather rubber cap


8- Tow Ready 63228 Gorilla Guard’ Coupler Lock

Tow Ready 63228 Gorilla Guard’ Coupler Lock has a strong body with special shielded protection that prevents it from tampering making it difficult for thieves to attack. It can protect trailers and RVs as it is suitable and easily be fit in all 2-inch couplers. Its tubular lock shape is for additional security as it cannot be opened without having sufficient knowledge. Each one has a different key so cannot be opened easily.



  • Material                                                         Not specified, but various metals
  • Lock Type                                                     Coupler lock (2 inches
  • Weight                                                           54 grams 



  • Very protective and durable construction.
  • Shielded design
  • Supports a range of trailer and RV types.
  • Safer and more secure
  • 1 year limited warranty

9- Motormic Trailer Hitch Lock

Motormic Trailer Hitch Lock is made with solid hardened steel that ensures its durability. It is designed tough to withstand all hard conditions and direct damage. It is very simple to use with its push-to-lock system that is efficiently protected by its durable exterior. It can be secured at any time and can be unlocked with the right key. Its rubber key slot cap makes it able to stop water and dirt that can make it useless by badly damaging it. Its one-piece body also makes it unique to use.



    • Material                                                         Rubber, silicone, and hardened steel
    • Lock Type                                                   Hitch lock pin (2 inches and 2.5 inches)
    • Weight                                                            31 grams



    • Equipped with extra safety clip
    • Innovative design
    • One-piece steel construction.
    • Easy to install
    • Perfect for actively towing your trailer.

10- Trimax UMAX100 Universal Trailer Lock

Trimax UMAX100 Universal Trailer Lock is a universal design developed to facilitate to as it is very simple to use and comes with its versatile features. It is suitable for different trailer class types. Its half-turn technology prevents you from false locking. Its 360 degrees steel protection prevents it from physical damage. Not only it is reliable due to its easy installation but it is also able to provide quick and consistent locking.

PRODUCT SPECIFICATION                                          

    • Material                                                                   Hardened steel
    • Lock Type                                                                Universal coupler lock (1-78 inches, 2 inches, 2-5/16 inches)
    • Weight                                                                      11 kilograms



    • High-quality design
    • Keyhole against dirt and grime
    • 7 pin high-security key
    • Designed for “360 degrees” of protection.
    • Premium universal compatibility.

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