4X3 Water Truck Pump PTO (centrifugal pump) 650 gpm / 60 psi 650 GPM / 60 PSI 4 inch inlet with female coupling, 3 inch Outlet with Victaulic nipple 1 1/4" keyed shaft, Counter Clockwise config (email us for Clockwise) Adjustable V-Packing, Reinforced Pillow Blocks, Stainless steel impeller Easy and economic to mantain, High efficiency