Product Details: Ensure your semi is ready for the journey ahead with a reliable hydraulic dump to transfer loads, with the OTR PL SeriesHydraulic Box Pump with Expertise Built In™. Thanks to its pressure-driven design, this replacement component is able to elevate the beds of trucks or trailers to dump the contents on the surface below. Crafted with a rugged metal body to tolerate high-pressure applications. FleetPride is your First Click in Heavy Duty®.