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The VBR-600 Dok-Lok Vehicle Trailer Restraint is a recessed system designed to secure a semi-trailer to a loading dock by engaging the trailer’s rear impact guard (RIG) with a large, vertical barrier stopping trailer separation.

VBR-600 Features and Benefits

Exclusive Barrier Design

  • 25″ (108 mm) high barrier with reverse taper design provides the highest and widest coverage on RIG’s.

Signaling positive engagement

  • Truck presence bar is depressed upon positive engagement with RIG signaling safe engagement.
  • Exclusive mag res switch design will not come out of adjustment insuring proper communication when engaged or disengaged.
  • Automatic re-fire if barrier loses contact with RIG.

Safe, constant contact against RIG

  • Hydraulic cylinder powers the restraint into position.
  • Mechanical springs provide constant contact and float with RIG while loading/unloading.
  • Mechanical stop insures barrier is locked on RIG eliminating the need for hydraulic pressure to create “snugging” effect.
  • Automatic re-fire if barrier loses contact with RIG.

Recessed design

  • Provides a clean dock face when in the stored position.

Full-time communication

  • Comes standard with Corner-Vu and Leveler-Vu.
  • Interior and exterior LED lights are standard.


  • 1-year parts and labor warranty.