3/4 to 1.25 HP 3450 RPM, 14.0/7.0 amps, 115/230V 60hz. Switchless single phase; NEMA 56Y frame (no base), 5/8" diameter threaded stainless steel shaft; Overload Protection: Auto. Class B insulation, 6.5" body dia.; Non-Reversible - CCW Rotation facing the shaft; Square Flange Mount (1081 design), Ball Bearings, Open Drip Proof (ODP); 56Y Square Flange replacement pool motor. Motor is found on many in ground pool pumps such as PacFab Challenger, Whisperflo, Pentair. Motor has a square type flange for mounting the pump. 4 non-threaded bolts holes in flange. 1 year manufacture warranty.Model K063DFM5151023J Replaces US Motor EB853 ATTENTION CALIFORNIA CUSTOMERS - This motor does not comply with California Title 20 Efficiency Regulations and is not certified for sale in the State of California, so it is illegal to ship this to California as it is in violation of their regulations. If ordered for California we will have to cancel the order.