Gorman-Rupp Diaphragm Pump- 3 HP. Model 3D-8. S/N: 716630. Capacity: 63 gpm @ 20 TDH. The XP series are heavy duty diaphragm pumps designed for demanding service in hazardous locations such as ground water. Gasoline powered. The pump is self priming up to 25 ft. Unit has a 23 in. handle and a set of 10 in. dia. wheels. Inlets: (1) 4-1/2 in. dia. Type F adapter. Outlets: (1) 4-1/2 in. Type B coupler. Overall dimensions: 44 in. L x 34 in. W x 23-1/2 in. H.