Mechanical Dock Leveler Ask An Expert Request a Quote Request Service Or give us a call: 1-888-606-9415 Mechanical Dock Levelers are a simple, lower price-point alternative to powered dock levelers. Mechanical levelers are a good option when power isn’t available at the loading dock or budget constraints do not warrant the investment in a more rugged powered dock leveler. They are operated by releasing tension from a set of springs underneath the dock top plate.