Parts list: № Number Qty Name Options 1 R542221 4 Screw 2 RE593381 1 Electronic Control Unit Next page: ST1042961 Steering Controller, AutoTrac™ W/ Backup Pump ( - 804000) ST953645 Multi-Functional Controller, Cab Control ST959427 Multi Functional Controller, Front Control, Steering ST1042960 Steering Controller, AutoTrac™ W/ Backup Pump (804001 - ) ST959420 Multi Functional Controller, Roof ST959416 Multi-Functional Controller, Chassis PICT-OSO.1 OSO Control Units