Concave Adjusting & Fan Speed Adjustment Motor for John Deere 9660 CTS 9750 STS All States Part #: 158103 AMI Part #: AMAXE13829 WAI Part #: SM8092 John Deere Part #: AH170587, AXE13829 Features: Brand New Improved over original performance, mechanically anchored connectors by way of thru-hole soldering results in stronger, longer lasting electrical connections Each unit is 100% tested at 3 points in the manufacturing process for guaranteed performance Every motor is assembled with the precise amount of lubricant to ensure quiet operation and long life Guaranteed fit and function Meets or exceeds O.E.M. performance Machine or Equipment This Part Fits: John Deere Combines: 9400, 9410, 9450, 9500, 9501, 9510, 9550, 9550SH, 9560, 9560SH, 9600, 9610, 9650, 9650CTS, 9650STS, 9660, 9660CTS, 9660STS, 9670STS, 9750STS, 9760STS, 9770STS, 9860STS, 9880STS, S650 (SN 765000-785000) Any question, please feel free to contact us.