Secure Your Cargo with AMPLock Tractor Trailer Locks
High-Grade Materials for Full Protection
AMPLock makes tractor trailer locks from certified high-grade ductile iron and stainless steel sourced from North America. That gives you strong, reliable cargo protection in demanding conditions.
Patented Lock Mechanisms for Added Security
We use patented lock mechanisms designed to resist cutting, picking, and brute force, so you get advanced security technology.
Custom-Fit Solutions for Different Trailer Types
AMPLock offers locks for a range of trailer applications, including ball couplers, kingpins, and trailer doors, so you get the right security for your setup. Browse our king pin locks and trailer coupler locks.
Features That Set Our Tractor Trailer Locks Apart
Resistance-Focused Designs Against Theft
The locks use resistance-focused designs that hold up against even determined theft attempts, backed by strong high-grade materials.
Tested and Approved by Security Experts
Every product goes through thorough testing and expert approval before release, so the locks deliver on their security promise.
5-Year Warranty
A full 5-year warranty protects your investment in AMPLock security.
Frequently Asked Questions
What Types of Tractor Trailer Locks Does AMPLock Offer?
AMPLock offers ball coupler locks, kingpin locks, hitch locks, and trailer door locks with patented resistance-focused designs.
Are AMPLock Tractor Trailer Locks Compatible with My Trailer?
Custom-fit options fit a wide range of trailer models using durable high-grade construction.
How Does AMPLock Shipping and Return Policy Work?
You get free 2-day shipping, 30-day returns, and 5-year warranty registration coverage.