Mechanical and hydraulic equipment should be evaluated based on operation, safety, and performance characteristics

Dock levelers have made significant advances since their first appearance in the early 1960s. The first levelers were merely spring counterbalanced to allow the operator to hand-lift the platform for positioning onto the rear of a trailer floor.

In the late 1970s, demand for more efficient, safer, and user-friendly dock levelers brought hydraulically powered models to the market.

This article examines hydraulic and mechanical (spring powered) ...

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