Doerr 10 HP 3-Phase 1740RPM 208-230 or 460 Volt Electric Motor Parts or Repair. See pics, we have bench tested this motor and found a open circuit between winding ONE and FOUR, see last pic for test results. Unit has NOT been opened to see if there is just a bad wire on either line 1 or 4. No shorts to frame found anywhere, just open winding between leads 1 and 4 inner windings 7-8-9 are good. Unit spins fine, no bearing issue. 1 -3/8 shaft diameter, 3" long. Sold as PARTS or REPAIR currently not working.