The Kelley AFX Air-bag Dock Leveler
Kelley Mechanical Dock Leveler
The Hydraulic Leveler
Edge of Dock
These are platforms mounted to the edge of a building wall to assist loading and unloading of trailers in a limited working range of 3″ (72.6 mm) above to 3″ (72.6 mm) below dock. Three series of activation systems are available, including: mechanical (manual) operation, air-powered operation and hydraulic operation.