Parts list: № Number Qty Name Options 1 PF90399 1 Steering System 2 RE231816 1 Central Control Unit 3 RE259034 1 Steering Controller Next page: ST73241 AutoTrac™ Tractor Kit, Steering Valve Seal Kit, 8110, 8210, 8310, 8410 ST908335 AutoTrac™ Tractor Kit, Roof Harness, 6040 Closed Roof (2 of 2) ST751048 Attachment, Autotrac™ System, Scraper Kit, 9R (for Australia, Canada, New Zealand and USA) ST821848 AutoTrac™ Tractor Kit, King Pin, 6R FT4, MW 15-25, 6145R, 6155R ST849093 AutoTrac™ Wiring Harness / Control Unit, Steering, 6140R or 6150R Models W/ MFWD ST791242 Attachment, AutoTrac™ Tractor Kit, 6130R (2 of 3) ST719879 Attachment, AutoTrac™ Assisted Steering System, 6X30, 7X30 Premium Series W/ Mechanical Front Wheel Drive ST719741 Attachment, AutoTrac™ Tractor Kit, 8010 W/ Mechanical Front Wheel Drive (MFWD) ST849161 AutoTrac™ Steering Lines / Fittings, 6140R or 6150R Models W/ MFWD ST73153 AutoTrac™ Tractor Kit, Steering System Unit (SSU), 7130, 7230, 7330, 7430, 7530