Pressure Plunger Pump, Discharge Connection Size 3/8 in, Discharge Connection Type BSP, Discharge Pressure (Maximum) 3,000 psi, Flow Rate (Maximum) 4 gpm, Intake Connection Size 1/2 in, Intake Connection Type BSP, Motor Speed (Maximum) 1,750 RPM, Piston Design Triplex, Pump Head Material Forged Brass, Plunger Material Ceramic, Required Electric Motor Horsepower (Maximum) 10 hp, Required Gasoline Engine Horsepower (Maximum) Not Applicable, Lubrication Oil Bath, Shaft Outer Diameter 24 mm WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -