When “good enough” isn’t an option. Protect your livelihood with the uncompromising strength of Code 4 heavy-duty trailer locks.
Code 4: The Ultimate Line of Defense
Code 4 Trailer Locks — “Security 1st Design” Precision-Engineered Trailer Locks for Tamper-Proof Theft Prevention.
Code 4-All Clear. All Secure.
Engineering Without Compromise
We know how much your equipment means to you, and we’re honored that you’ve trusted us to help keep it secure.
Our goal is to provide you with total peace of mind, whether your trailer is parked in the driveway or a remote campsite. We hope the Code 4 Lock makes your next adventure just a little bit more stress-free!
Made in America
We are dedicated to ensuring that your valuable assets remain safe and secure during transport. All of our Locks are made in Eagleville, TN, USA.
2″ Trailer Hitch Lock
Utility Trailer Hitch Locks
For most Utility Trailers
$175.00
2″-5/16 Trailer Hitch Lock
Car Hauler & Equipment Trailer Locks
Car Haulers & Equipment Trailers
$175.00
Designed with security #1
Most trailer locks are designed for convenience, not security. They use thin metals and “universal” fits that leave massive gaps for crowbars and power tools.
Code 4 - A different philosophy.
Why Choose Code 4?
Industrial-Grade Steel
- We’ve armored the Code 4 line to withstand aggressive physical attacks, including drilling, grinding, and sledgehammering. CRS Steel, 1/4” thk.
The “Zero-Gap” Fit
- By matching our locks to specific coupler models, we eliminate the leverage points that thieves rely on. If they can’t get a tool in, they can’t get your trailer out.
Weather-Hardened Finish
- Every Code 4 lock features a high-performance powder coat, tested to endure the harshest road salts and coastal environments without seizing or corroding.
Professional Security for Every Hauler
- Whether you’re protecting a fleet of flatbeds or your family’s weekend camper, Code 4 provides the same level of security used by law enforcement and heavy-haul professionals.
FAQ’s & Support
Our Commitment to the Community
As a company built by haulers, for haulers, we know that your trailer is more than just metal—it’s your investment. We focus our resources on the quality of the steel and the precision of the weld, rather than flashy packaging or corporate overhead.
Made in America
Don’t let your trailer be the easy target. Upgrade to Code 4 and rest easy knowing your property stays exactly where you left it.
A Frame Trailer Tongue?
Compatibly & Protection
YES: Our 2-5/16” Hitch Lock fits our car and equipment trailers to give you peace of mind that your trailer is protected.
Straight Trailer Tongue?
Compatibly & Protection
YES: Our 2” Hitch Lock fits all our utility trailers to give you peace of mind that your trailer is protected.
Shipping Policy
We ship to the lower 48 states via UPS or FedEx. Our team makes every effort to process and ship orders within 24 hours of receipt.
Please note that orders placed over the weekend or on holidays may experience a slight delay. In the event an item is on backorder, we will contact you immediately via email.
If you have any questions regarding your shipment, please reach out to us at contactus@code4trailerlocks.com.
Return Policy
Eligibility for Returns
Returns are accepted only under the following conditions:
Condition: Item must be unopened, unused, and in its original, sealed retail packaging.
Timeframe: Return requests must be initiated within 30 days of the delivery date.
How to Initiate a Return
Please contact us at contactus@code4trailerlocks.com to request a Return Authorization.
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Code 4: The Ultimate Line of Defense
Code 4 Trailer Locks
We are dedicated to ensuring that your valuable assets remain safe and secure during transport. All of our Locks are made in Eagleville, TN, USA.