Heres a 5 HP Electric Motor 1725 rpm 230460v 3ph TEFC Sealed to work in Hazardous Area, This is a great running fairly quiet heavy duty motor. It has a 1-38 shaft that is 5 center from base-up.This can be base or face mounted7-14 bolt center, picture showing. This will work perfect for making a Rotary Phase Convertor. This is a very well built industrial elec. motor ready for general use, Air Compressor or Make a Phase Convertor. It weighs 100 Lbs. Its missing its Motor Tag so we researched the motor to find info. The bearings sound good but if you want it whisper quiet you could replace them.20.00 and 1 hour of work Call me with any questions...Mike 952-854-5 seven eight sixKey Words Baldor Leeson GE General Electric Grainger Westinghouse Lincoln Marathon SterlingSiemens Emerson Rockwell Reliance Century Smith Craftsman Magnetek 1725 1730 1735 1740 1745 1750 1755 1760 1765 1770 10hp 10 horse powerIf you are looking to make a Rotary Phase Converter out of this,..Here is Company that sells them phaseconverterusa.com and they sell 5HP Rotary Phase Convertor Kit 230 VAC for only $81.95 Free Shipping