Forced Air Oil Cooler, HP Heat Removed 20 hp, Voltage 115/230V AC, Number of Phases 1, Max. Flow 50 gpm, Max. Pressure 377 psi, Inlet Port Thread Size SAE #20, Inlet Port Thread Gender Female, Outlet Port Thread Size SAE #20, Outlet Port Thread Gender Female, Overall Height 19.6 in, Overall Width 21.65 in, Overall Depth 15.5 in, Flow Range 4 to 50 gpm, 8/4 Full Load Amps, 0.5 hp HP, Motor Frame Size 56C, Motor Type - Oil Coolers AC