Pressure Plunger Pump, Discharge Connection Size 3/8 in, Discharge Connection Type BSP, Discharge Pressure (Maximum) 2,700 psi, Flow Rate (Maximum) 2.5 gpm, Intake Connection Size 1/2 in, Intake Connection Type BSP, Motor Speed (Maximum) 3,400 RPM, Piston Design Triplex, Pump Head Material Forged Brass, Plunger Material Ceramic, Required Electric Motor Horsepower (Maximum) Not Applicable, Required Gasoline Engine Horsepower (Maximum) 5 hp, Lubrication Oil Bath, Shaft Outer Diameter 3/4 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov -