Vehicle Restraints

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Johnson Equipment pioneered the vehicle restraint industry by introducing the Dok-Lok® in 1980. Johnson Equipment has continued to evolve Dok-Lok restraints to meet the changes and challenges of the industry, including trailer design, loading dock design and regulatory compliance.

Johnson Equipment Dok-Loks, also referred to as truck restraints, trailer restraints or dock locks, are known world-wide for:

  • Exclusive safety features, which address more types of trailer/dock separation than any other restraints
  • Exclusive light communication system that provides FULL-TIME communication of the Dok-Lok status to the forklift driver at the loading dock and while inside the trailer
  • Superior quality resulting from unique design characteristics, the highest construction standards and years of research and development
  • Proven long-term reliability confirmed by an extensive list of satisfied repeat customers

Dok-Lok vehicle restraints are designed to provide the highest level of safety based on your application. Dok-Loks are the only restraints in the industry that provide full-time communication of the locking status to the forklift driver. 

Safety solutions to meet your needs

Rite-Vu Light Communication System
Clear, constant communication at the loading dock is as important as the physical restraint. The exclusive Rite-Vu Light Communication System provides immediate Dok-Lok status-at-a-glance to the forklift operator when entering and exiting the trailer.

Stabilizing Trailer Restraint (STR-4100)
Stabilizing Trailer Restraint helps prevent vertical and horizontal movement of the trailer and provides a smooth transition between the loading dock floor and the trailer bed, while also engaging the trailer's rear impact guard (RIG, or ICC bar).

Rotating Hook Restraints (RHR-1000 and RHR-600)
Only Johnson Equipment full-range rotating hook Dok-Lok (dock lock) restraints provide protection against all major types of trailer separation accidents.

Vertical Barrier Restraints (VBR-500 and VBR-300)
Johnson Equipment vertical barrier restraints provide protection against the basic forms of trailer separation with solid, dependable upward pressure on the RIG.

Wheel-Lok Restraints (GWL-2300 and MWL-1300)
Johnson Equipment wheel-based restraints service virtually any trailer type - hydraulic lift gates, drop frames, low hanging fenders, with or without rear impact guards. 

Smooth Transition Dok System
The Smooth Transition Dok System by , Johnson Equipment consisting of a Smooth Transition Leveler and the STR-4100 Dok-Lok® Vehicle Restraint, provides the smoothest path between your loading dock floor and the trailer.

Products