Why the Coupler Vault Pro is the best Hitch Lock Available

Our Mission is to build the best Hitch Lock in America!

We’re a two-family run company with a passion for your trailer’s safety and protection. Since 1999, we’ve been providing America’s trailer owners with our patented Coupler Vault design … and in the summer of 2016 we introduced the Couple Vault Pro!

Hover over the BLUE CIRCLES to see engineering elements that make the Coupler Vault Pro the best hitch lock on the market!

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  • Coupler Vault Pro is interchangeable between both 2 & 2-5/16” couplers. CV is still universal with most couplers. (Includes some previously not accommodated)
  • One CV to fit any size. CV is now interchangeable between both 2 & 2-5/16” couplers.
  • Use ONE Coupler Vault Pro for different trailers.
    • (Accommodates a fleet of trailers or owners with multiple trailers)
  • Adjustable ball replaces the old bolt style. (Improves fit and security)
  • Balls specially designed  using high density acetate.
    • The balls are tapped through for complete and secure adjustments.
  • The new ball system is designed for a secure ‘pry resistant’ fit to your coupler.

  • Heavier gage steel to strengthen pressure points.
  • 25% lighter

Lid Improvements:

  • Flat top eliminates weather damage, protecting the lock and extending its life
  • Extended lid in the front for ease of grip
  • Tab & slot fit has been engineered to disperse pressed points

Base Improvements:

  • The improved base increases strength against pry bar attack, with a lip for ease of grip
  • Superior cam lock system replaces plunge lock design – increased strength, improved reliability.
  • Cam lock is placed on the underside of coupler vault to protect from the elements and is less accessible to thieves.

Lock Improvements:

Steel security plate added to prevent leverage or sawing tools from accessing cam lock. Locking mechanism and head of the post inset to eliminate access against leverage or sawing tools.

  • Textured powder coat finish for improved durability and scratch resistance.
  • Available in Stone Gray and Red.
  • Also available is a camouflage finish. (extra charges apply)
  • Unlimited graphic design options using specialty Hydrographic (extra charges apply)

Made in the USA

  • Control of manufacturing
  • Fast shipping
  • Availability, including custom orders! Always in stock
  • Improved manufacturing
  • Quality control in EVERY step from start to finish of the final product
  • Thank you for investing in our local economy
I Want The Couple Vault Pro!

Testing Of the Coupler Vault Pro

Sledgehammers, Crowbars, Reciprocating Saws, Oh My!

When designing the new Couple Vault Pro, it wasn’t just about ‘building a better mousetrap,’ it was about engineering a hitch lock that can withstand the arsenal of a trailer thief. Looking across the Internet at the state-of-the-art, battery-powered tools … and you’ll understand our dilemma.

I also had years of discussions with our clients, dealers and distributors to find out just what you wanted to see in the new design. After all … you are the final proof of design, in My Book.

Engineering & Development Testing

All the engineering in the world does not have the same impact as seeing the prototype product in testing. This short clip shows a window into the ‘real life’ testing we do with our products.

We made sure that the Coupler Vault Pro was made not only to stand up against a theft of ‘convenience,’ but also a focused attack meant to STEAL YOUR VALUABLES.

Make sure to buy the hitch lock that you can trust:
MegaHitch Lock’s Coupler Vault Pro!

We value your support as we value the integrity of Coupler Vault Pro. Give it a try!

Common Valuables Kept in a Utility Trailer

$3000 in hand tools
$5,000 in mechanics tools
$10,000 in power tools
$30,000 in off-road toys
$50, 000 in industrial equipment and supplies

Trust The Coupler Vault Pro To Protect Your Valuables!

I Want The Couple Vault Pro!

Don’t Buy A False Sense Of Security

Don’t risk your valuables on the cheaper locks … they will not hold up to a real theft attempt. The few extra dollars you will spend on our Coupler Vault Pro will give you true security against almost any thief.

Don’t Take Our Word For It … Here’s What Customers Are Saying …

I have lost 4 trailers in the last 10 years. All had coupler locks on them that did not stop them from being stolen. I think that with your Coupler Vault those days are over. I have never seen a product like this before. I think you have hit a home run with it.
Craig, Denver, Colorado
When I purchased your product I was a little skeptical. I have bought other locks in the past and they were useless. I am a contractor in Colorado, and I have my livelihood in my trailer. In the last 12 years I have lost 4 trailers, and everything in them. I immediately knew I bought the right lock this time. The name explains it all. It is like having a Vault on my trailer.
Jerome, Denver, Colorado
Your coupler lock is like no others I have owned. I truly feel comfortable with leaving my boat parked without being around to keep an eye on it.
Tim, Lafayette, Louisiana
I love my new Mega Hitch Lock for my new Jayco. Now it is time to get the cable for my generators. Thanks for a great product.
Bob, Urbandale, Iowa
It’s nice to know that I can leave my motorcycle tent trailer unattended and take a ride now without the worry of someone else helping themselves to my trailer when attending a large motorcycle rally.
Dave, Eugene, Oregon
I have had two trailers stolen over the years so I decided to spend a little more and give your product a try. I am very impressed. I watched your videos on your website and saw how you tried getting your lock off of a trailer. I decided that I would try it myself. There is no way it will come off without a cutting torch. Thanks for making a great product.
Jim, Clearwater, Florida
Order The Couple Vault Pro Today!