TRUK-LOK III for Roll Up Doors with J-hook


TRUK-LOK III® is BABACO’s® unique, patented, and highest security solution for roll-up door applications. The Truk-Loc III® replaces the factory-installed J-Hook.


1) Mounting Hardware
2) Main Lock Chassis
3) 2 Keys
4) Install Guide
5) Babaco® TRUK-LOK III® Sticker
6) Carriage Bolts
7) Optional Catch Plate upon Request

Installation available – Call Babaco to locate a certified Babaco® installer.

Product Brochure

Product Video >>


Some of the Benefits & Features of the TRUK-LOK III®

  • Made of tough, durable stainless steel, tested to withstand severe shock and weather.
  • Replaces the factory installed J-Hook that is easily defeated.
  • Permanently installed on the outside of your vehicles, no cargo space is lost.
  • Uses a high security, restricted keyway. No one can duplicate the key except BABACO®.
  • Lock cannot be shimmed or bumped.
  • The key code can be made to fit your needs; master keyed on demand.
  • Can be installed or retrofitted to any vehicle in minutes.
  • Can be combined with BABACO’s® One Key System: Full integration with the alarm system.

TRUK-LOK III® Unique Features

  • TRUK-LOK III® – Makes every padlock obsolete
  • TRUK-LOK III® – Cannot be LOST
  • TRUK-LOK III® – Cannot be CUT
  • TRUK-LOK III® – Cannot be STOLEN
  • TRUK-LOK III® – Is installed without welding
  • TRUK-LOK III® – Can be keyed alike to operate with any Babaco product

This lock is commonly known as the Slam Lock.


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