AC Motor; Multi Phase; 20HP; 256T Frame Size; 3600 Sync RPM; 575 Voltage; AC; TEFC Enclosure; NEMA Frame Profile; Three Phase; 60 Hertz; Rigid; Base; 1-5/8" Shaft Diameter; 6-1/4" Base to Center of Shaft; 24.92" Overall Length; 92.4% Efficiency Full Load