10 Best Lock For Bulldog Coupler

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When it comes to securing your trailer or caravan, having the best lock for your bulldog coupler is essential. With so many options available on the market, finding the right one for your specific needs can be a daunting task. That’s where we come in to help make the process easier for you.

We have carefully researched and compared various bulldog coupler locks to bring you a list of the top 10 best locks available. Our selection criteria included factors such as durability, ease of use, security features, and customer reviews. By doing this research, we have saved you time and hassle by narrowing down the choices to the best options on the market.

With our list of the 10 best locks for bulldog couplers, you can confidently choose a high-quality lock that will provide you with peace of mind knowing your trailer or caravan is secure.

Top 10 Lock For Bulldog Coupler In The Market

Lock For Bulldog Coupler Reviews

Bestseller No. 1
The Collar Trailer Hitch Lock for Bulldog-Style Couplers (Including The RAM)
  • 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
Bestseller No. 2
Bulldog Sliding Collar Coupler/Hitch Trailer Lock Includes Trimax Puck Lock
  • Ultra-High Security Coupler/Hitch Trailer Lock: This strong and straightforward trailer coupler/hitch lock is designed to secure the Bulldog sliding collar coupler.
  • Heavy Duty/Ultra-High Security: This no-nonsense coupler lock is constructed of 3/16" fully welded cold rolled steel, with welded hinges and hinge pins and is bolt cutterand crowbar proof!
  • Trimax Puck Lock: This high-security, hidden-shackle padlock features a 2-7/8" wide lock body that conceals a 3/8" diameter shackle to prevent theft.
  • Bright Yellow Powder Coat Finish: We believe in presenting a hard target that is why we use a bright yellow powder coat to warn off would be thieves.
  • Ft. Knox Locks: We are a family run and operated small business with our locks designed and proudly made in the USA.
  • Double Check Your Coupler/Hitch: This lock only fits the coupler/hitchs Bulldog sliding collar pictured. If you do not see your coupler/hitch, please view our other coupler/hitch locks.
Bestseller No. 3
Blaylock American Metal TL-20 Coupler Lock
  • For commercial and recreational use
  • Fits couplers 17/8-25/16"
  • Fits Hammer blow, Bulldog & RAM
  • Patented design ensures the most secure way to leave an unattended trailer
  • Solid hardened steel lock rod for security
Bestseller No. 4
Antivanl Trailer Hitch Lock for Bulldog Style Couplers, Trailer Coupler Lock...
  • Design Philosophy: This trailer hitch lock is a security anti theft device for trailers, ensuring the safest way to leave unattended trailers. Hitch Lock is designed professionally to be secure and sturdy enough to provide all weather protection to prevent trailer theft
  • Compatibility: The trailer lock adopts a wrap around locking method, suitable for trailer couplers from 2 "to 2-5/16". Compact in structure and tightly locked, the hinge adopts concealed welding technology, making it impossible for the destroyer to start. The 0.47 "locking hole is compatible with various safety padlocks
  • High Quality Materials: The trailer coupler lock is made of heavy duty solid stainless steel, weighing up to 1.39 pounds, which can withstand strong physical damage such as hammering or sawing. The surface adopts shot blasting process and antioxidant spraying, making the surface of the trailer hitch locks smooth and burr free, non rusty and has strong corrosion resistance
  • Simple Installation: Close and latch the trailer coupler with the sleeve sliding forward, install the trailer hitch lock with hinge down behind the coupler sliding sleeve, then close both sides and lock the padlock to leave your trailer without worrying about its safety
  • Humanization and Friendly Service: The towing hitch locks is convenient and sturdy, which can be used when the trailer is attached or not attached to the towing vehicle, no need to worry about the safety of your trailer. We offer a one year warranty and 100% satisfaction guarantee
Bestseller No. 5
Proven Industries Model 2516-B Trailer Lock, Fits 2 5/16-Inch Bulldog or Ram...
  • HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer or camper from being stolen. This strong coupler lock fits select 2 5/16-inch Ram or BullDog trailer couplers and will keep your trailer secure.
  • TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to prevent burglars from using power tools, hammers, bolt cutters, and crowbars on your lock.
  • UNIQUE KEY DESIGN: This trailer lock has a special key design that prevents lockpicking. Our innovative key system also features an interior locking mechanism that deters would-be thieves from making a copy of your key.
  • CUSTOM TRAILER-COUPLER LOCK: This custom-tailored lock will only mount on specific 2 5/16-inch Ram or BullDog couplers. Check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
  • PROVEN INDUSTRIES: We are dedicated to providing our customers with the most effective trailer locks on the market. We carefully research and manufacture our locking systems from conception to fabrication in the USA.
Bestseller No. 6
Bulldog Sliding Collar Coupler Lock - Ultra High Security - BOLT CUTTER PROOF!!!
  • ULTRA-HIGH SECURITY COUPLER/HITCH TRAILER LOCK: This strong and straightforward trailer coupler/hitch lock is designed to secure the Bulldog sliding collar coupler.
  • HEAVY DUTY/ULTRA-HIGH SECURITY: This no-nonsense coupler lock is constructed of 3/16" fully welded cold rolled steel, with welded hinges and hinge pins and is bolt cutterand crowbar proof!
  • HASP: The surround hasp application accepts most "puck" style locks and provides additional safety and security. (PUCK LOCK NOT INCLUDED)
  • BRIGHT YELLOW POWDER COAT FINISH: We believe in presenting a hard target that is why we use a bright yellow powder coat to warn off would be thieves.
  • FT. KNOX LOCKS: We are a family run and operated small business with our locks designed and proudly made in the USA.
  • DOUBLE CHECK YOUR COUPLER/HITCH: This lock only fits the coupler/hitchs Bulldog sliding collar pictured. If you do not see your coupler/hitch, please view our other coupler/hitch locks.
Bestseller No. 7
Fulton Bulldog 580403 Chrome Universal Chrome Trailer Coupler Lock
  • Bulldog Lifelong locks feature stronger break resistance, a dual self-locking design, and a high security square key design
  • Highly polished chrome plated lock components are strong yet attractive - strength doesn't have to be ugly
  • Ball bearing locking mechanism; dust cap protects lock mechanism from the elements
  • Comes with 2 keys
Bestseller No. 8
Proven Industries Model 2517-B1 Trailer Lock, Fits Specific 2 5/16-Inch Bulldog...
  • CUSTOM TRAILER-COUPLER LOCK: This custom-tailored lock will mount only on specific BullDog couplers with trigger latches. Check the coupler sizes that are compatible with our lock hardware to ensure that the lock you select matches your trailer coupler.
  • HEAVY-DUTY TRAILER LOCK: It’s important to do everything you can to protect your belongings and your trailer from being stolen. This strong coupler lock fits select 2 5/16-inch BullDog trailer couplers with a trigger latch to keep your trailer secure.
  • TOUGH LOCK: The locking parts on this device are constructed from hardened steel for increased security, and the exterior cover is tough enough to prevent burglars from using power tools, hammers, bolt cutters, and crowbars on your lock.
  • UNIQUE KEY DESIGN: This trailer lock has a special key design that prevents lock picking for added trailer security. Our innovative key system also features an interior locking mechanism that deters would-be thieves from making a copy of your key.
  • PROVEN INDUSTRIES: We are dedicated to providing our customers with the most effective trailer locks on the market. We carefully research and manufacture our locking systems from conception to fabrication in the USA.
Bestseller No. 9
Bulldog (580410) Easy Access Adjustable Trailer Coupler Lock,Black
  • Easy Access model with side key entry
  • Lock housing rotates 360 degrees
  • Includes 2 keys
  • Sliding dust cap
Bestseller No. 10
METOWARE Trailer Tongue Coupler Lock 1/4" Dia, 3-1/2" Span, Trailer Hitch Lock...
  • [Package Include] One lock pin ( 1/4" diameter&3-1/2 span) + one lock head( 361°rotating design& water proof rubber cap) + two tubular keys ( one for standby).
  • [Security Guarantee] Made of heavy-duty steel, our trailer hitch is durably and strong. Its reinforced zinc alloy tubular lock core and stronger tubular keys improve the security.
  • [Push-to-lock Design] Our trailer coupler lock is designed for easy operation. With the push-to-lock design, you can easily push to lock it without using key. To open it, just turn the key a little bit and the pin will pop out by itself.
  • [Rust Protection& Durability] The electrophoretic paint on the surface of trailer pin lock with the addition of its watertight rubber cap, keep rust at bay even the lock always get soaked on any journey over wet or snowy roads, and keep the keyhole away from water and dirt.
  • [Money Back Guarantee] Your satisfaction is what we strive for. If something goes wrong with your purchase, we will offer you a free replacement or a full refund. And if you have any question about the product, please feel free to contact us, click on 'Ask a question' button on the right hand side on this page and send us an email, we will make a quick and reliable response.

The Bottom Line

In conclusion, the 10 best locks for Bulldog couplers were carefully selected based on their quality, durability, security features, customer reviews, and overall performance. By following our list, users can easily find a reliable lock that will provide peace of mind when towing their trailers. Whether you’re looking for a lock with a heavy-duty construction, corrosion resistance, or ease of use, our list has something for everyone. Investing in a high-quality lock for your Bulldog coupler can help prevent theft and ensure the safety of your trailer while on the road.