Dock Leveller Machanical MODL mechanical dock leveler does not require power supply and is a good alternative to the electrohydraulic dock leveler in case power supply is not available. Manual efforts of 2 people are needed to rise the upper deck, at that the lip turns and opens automatically. Then the deck lowers until it rests on the truck bed. After loading/unloading is completed, the lip lowers; the deck rises and returns to its rest position. Dock leveler can be installed by either embedded or suspended way. Dock levelers of MODL series complies with the rules and regulations of the European Standard EN 1398.