This is for a TREADMILL DRIVE MOTOR, YA CHENG YC781 23000002: 90VDC 30A, 3.0HP, 4000 RPM.
This will fit:
Sole
2009-2010 Series - WF80 (580888)2009-2010 Series - WF83 (583888)
2011 Series - AF83 (583810)2011 Series - AF85 (585810)
Spirit
X Series - XT385 - 2011-2012 (385810)
X Series Motorized Treadmill - XT385 - 2013.
Thanks for looking!