Parts list: № Number Qty Name Options 1 PH90233375 1 Electronic Control Unit Next page: ST972263 Control Unit, AutoTrac™ ST969993 Electronic Control Unit, Front PTO, W/ TLS ST969995 Control Unit, Rear Chassis Controller ST968979 Mounting Parts, Basic Control Unit ST969991 Control Unit, Front Loader / E-SCV PICT-OSO.1 OSO Control Units