Product Details: Outfit your semi to be ready for the long haul with a reliable hydraulic dump to transfer loads, with the OTR PL Series 30 GPM Hydraulic Box Pump with Expertise Built In™. With a pressure-driven design, this replacement component elevates the beds of trucks or trailers to dump the contents on the surface below. Manufactured with a solid metal body to withstand high-pressure applications. FleetPride is your First Click in Heavy Duty®.