Coupler Locks

Coupler Locks


Due to the extremely high volume of orders we are regularly experiencing, lead times are longer than expected. All in-stock Torklift products usually ship within 1-3 business days.  If you order multiple products, they may ship from different warehouses in separate shipments. Due to COVID-19, all freight carriers have notified us shipping times may take an additional 1-3 business days for your product to reach you. This notice is effective 4.28.20. 
COVID-19 Update (January 27th, 2021)

Free shipping on orders of $63 or more to the lower 48 states.

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Coupler Locks

Protect just about any trailer from theft with our universal coupler locks, which use a unique “ball” and shackle to fit a variety of coupler sizes and styles.


Diversi-Tech Corp is the manufacturer of the nation’s #1 best selling trailer coupler lock, the DT-25013 Maximum Security Coupler Lock.

  • Patent pending multi-step Uni-ball™ fits all 1 7/8″, 2″ and 2 5/16″ couplers
  • Patent pending horizontal bend in shackle provides a secure forward facing snug fit on all coupler types
  • Super hardened chrome plated 5/8″ shackle
  • New larger/stronger corrosion resistant nickel plated housing
  • New anti-drill pin for added security
  • Patent pending dual action locked and bolt blocked locking system™
  • DT Maximum Security Coupler Locks Now Includes 4 Keys

Also available are the following:

  • Universal design protects most trailers from being towed away
  • Multistep Uni-ball fits into any size ball coupler
  • Trigger, pin, thumb and wraparound yoke latches
  • Tube key lock cylinder provides better security than standard key mechanisms
  • Peace of mind when your trailer is not connected to your truck 
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