Parts list: № Number Qty Name Options 1 PFA10715 1 Steering Control Unit Next page: ST840869 Attachment, AutoTrac™ Hub, Anti-Rotation Bracket and Hardware, CLAAS Ares 8X6, Axion Tractors ST840870 AutoTrac™ Hub, Anti-Rotation Bracket and Hardware, CLAAS Ares 8X6, Axion Tractors ST840883 AutoTrac™ Hub, Anti-Rotation Bracket, Massey Ferguson Tractors, 6270, 6280, 6290, 8240, 8250, 8260, 8270, 8280 ST841365 AutoTrac™ Universal Steering Supplemental Kit - W ST922028 Attachment, Main Universal AutoTrac™ Harness, All-Weather ST830060 Attachment, AutoTrac™ Universal Steering Supplemental Kit - N ST830016 Attachment, Steering Shaft Cover, AutoTrac™ Universal 200 ST829888 AutoTrac™ Universal Steering Supplemental – H ST829675 AutoTrac™ Universal Steering Supplemental - A ST829359 AutoTrac™ Universal Hub, Anti-Rotation Bracket and Hardware