Edge of Dock Mechanical

Mechanically-operated edge-of-dock levelers are the largest selling edge-of-dock levelers in the industry. Door and Dock Systems dual extension spring lift mechanism offers proven efficiency and durability. Careful engineering and rugged construction ensure extended life. Operation is safe and easy.

NL Series Mechanical Edge-of-Dock

The NL Series is the state-of-the-art in lever-operated dock levelers. The user-friendly activation of the NL Series eliminates the awkward lifting and leaning motions found in competitive units by only having to move the lifting lever 50° away from the dock edge and then returning it to its normal position.


  • Heavy-duty self-storing steel lever with EZ Grip Handle
  • Roller-bearing lift mechanism for easy lifting
  • 15″ bumper projection
  • Dual-extension spring lift mechanism
  • Capacity Range: 20,000 – 35,000 CIR