48Y Square Flange Pool Motor. Square Mounting flange has 4 non-threaded bolt holes. Shaft is 5/8 diameter with threads on end. Motor does not have switches or power cord. Replacement Motor Only - No Pump.1/2 hp 3450 RPM 13.4/6.7 amps; 115/230 Volts 60hz. Service Factor = 1.90. What is the difference in 48Y or 56Y? Both have the same size square flange. The item "1/2 HP 3450 RPM 48Y Frame Square Flange 115/230V Pool Motor Century # SQ1052" is in sale since Sunday, April 14, 2013. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Pools & Spas\Pool Equipment & Parts\Pool Pumps". The seller is "electric-motor-warehouse1" and is located in Corunna, Michigan. This item can be shipped to United States, Canada.