The EZ-Dumper® Dump Insert is the perfect solution for landscapers, general contractors & handy homeowners. It bolts directly to most full-size pickup trucks in about two hours with few or no alterations. It dumps & lowers using a 12V Monarch Hydraulic Double-Acting Pump that is connected directly to your truck's battery. It's also available in a 6' model that fits most short bed trucks & has a payload capacity of 1.5 cubic yards! EZ-Dumper is an Olympic Steel company.