Hydraulic Gear Pump, Displacement per Revolution 0.396 cc/rev, Media Intake Connection Size 3/4 In.-16, Discharge Connection Size 9/16 In.-18, Continuous Pressure- Maximum 3,000 psi, Motor Speed - Maximum 5,000 RPM, Motor Speed - Minimum 500 RPM, Shaft Type Spline, Rotation CW, Housing Material Aluminum, Mounting Type 2 Bolt SAE AA, End Cap Material Cast Iron, Media Intake Connection Type UNF, Overall Length 4.1 in, Overall Width 4 in, Shaft Outer Diameter 1/2 in, Wetted Material Steel