McMillan 1/3 hp, 1075 RPM, 5.6 amps, 120V, #P4094, Unit Heater Motor VOLTAGE - 1/3 hp, 1075 RPM, 5.6 amps, 120 Volts. SHAFT DIMENSIONS - Shaft measures 1/2" x 3" and the Rotation = CW; 5" MOTOR CASE DIMENSIONS - Motor Case Length is 4.5". Diameter, PSC Motor; 41". MOUNTING STUDS - 4 Mounting Studs shaft end = 4.5" O.C. (square) REPLACEMENT REFERNCE - For A0828B2842, A0828B2596, A50C423J, D0832B4209, J31-04094.