RH6-20 - CRAWLER EXCAVATORS - FROM SN 77635 TO SN 77999 (7/94-12/00) No Description Parts on group : Pos. Part No Qty Parts name Comments 1. NS [1] NOT SERVICED 3. 1768189 [3] SOCKET 990. 1284457 [AR] CONTROL BLOCK Parts catalog : 23.231[2284306001] - TRANSMISSION OIL COOLING SYSTEM part catalog new.New Holland 23.231[2283004002] - TRANSMISSION - COVERS part catalog new.New Holland 23.230[2783872000] - TRANSMISSION - PRESSURE REGULATOR part catalog new.New Holland 23.230[2496233000] - TRANSMISSION - FITTINGS part catalog new.New Holland 23.230[2495357000] - TRANSMISSION - POWER TAKE OFF part catalog new.New Holland 23.230[2444745000] - TRANSMISSION - CONTROL VALVE part catalog new.New Holland 23.230[2443614000] - TRANSMISSION - CONTROL VALVE part catalog new.New Holland 23.230[2283884000] - TRANSMISSION - CONTROL VALVE part catalog new.New Holland 23.231[2496234001] - FRONT DRIVE SHAFT part catalog new.New Holland 23.231[2496717000] - REAR DRIVE SHAFT part catalog new.New Holland 23.231[2783871000] - INTERMEDIARY DRIVE SHAFT part catalog new.New Holland 23.232[1998158002] - FRONT DRIVE SHAFT part catalog new.New Holland 23.232[2215027001] - REAR DRIVE SHAFT part catalog new.New Holland 23.232[2248512001] - REAR AXLE SUPPORT part catalog new.New Holland 23.232[2249696000] - FRONT AXLE part catalog new.New Holland 23.232[2249854000] - FRONT AXLE part catalog new.New Holland