Ball Coupler Lock - Flat Lip Design/standard trailer
Our Enclosed Trailer Locks
High-Grade Materials for Lasting Durability
AMPLock's enclosed trailer locks use certified high-grade ductile iron and stainless steel sourced from North America, so they deliver strength and dependability over the long run.
Resistance-Driven Designs Against Theft
These locks are engineered to fight cutting, brute force, and theft attempts. Our strong trailer door locks help prevent unauthorized access to enclosed trailers and everything inside them.
Patented Lock Mechanisms
AMPLock builds in proprietary lock mechanisms with protective features that make unauthorized access far harder.
Custom-Fit Enclosed Trailer Lock Solutions
Compatibility With Different Trailer Types
Our solutions cover ball coupler, kingpin, and other configurations, including hitch and lunette ring trailer locks matched to different trailer specifications. See our trailer coupler locks for coupler-specific options.
Expert-Tested and Approved Designs
The locks go through thorough evaluation by industry professionals, including lock-picking experts who praised their strong construction and ability to withstand various theft attempts.
Frequently Asked Questions About Enclosed Trailer Locks
How Do I Choose the Right Lock for My Enclosed Trailer
Consider your coupler type, the vulnerable points, and the level of protection you need. AMPLock offers custom-fit solutions across several lock categories.
Are AMPLock Products Compatible With My Trailer Brand
Our products are designed to work with a wide range of trailer brands and models, and our customer support can help you confirm compatibility.
What Is the Installation Process for AMPLock Products
Installation is straightforward and user-friendly. Each lock includes clear instructions and usually needs no specialized tools.
