"Pump is designed for spraying and transferring chemicals and abrasives in applications such as, lawn care, pest control and agriculture. Shaft Length in. 3/4, Power Supply PTO, Self-Priming Yes, Pressure PSI 435, Dimensions L x W x H in. 12 x 10 x 12, Flow GPM 8.0. Sprays up to 35 feet Easily couples to a gas engine with a 3/4in. keyed shaft Durable design with all moving parts in a complete oil bath, industrial duty bearings, anti-corrosion diaphragms and valves Includes pressure regulator with manual dump lever, 1in. inlet, two 1/2in. outlet barbs and 1/2in. bypass barb"