Pressure Plunger Pump Discharge Connection Size 22 mm Discharge Pressure (Maximum) 2 500 psi Flow Rate (Maximum) 2.5 gpm Intake Connection Size 3/4 in Intake Connection Type Garden Hose Motor Speed (Maximum) 3 400 RPM Piston Design Axial Pump Head Material Forged Brass Plunger Material Stainless Steel Required Electric Motor Horsepower (Maximum) Not Applicable Required Gasoline Engine Horsepower (Maximum) 5 hp Lubrication Oil Bath Shaft Outer Diameter 7/8 in Shaft Type Hollow