RH20 - CRAWLER EXCAVATORS - FROM SN 44001 TO SN 45000 (2/87-12/00) No Description Parts on group : Pos. Part No Qty Parts name Comments 1. NS [1] NOT SERVICED 101. 1283003 [1] HYDRAULIC SYSTEM 990. 1282186 [AR] HYDRAULIC SYSTEM Parts catalog : 23.610[2444134000] - CONTROL BLOCK INSTALL.MATERIAL part catalog new.New Holland 23.312[2216823000] - PROPORTIONAL VALVE part catalog new.New Holland 23.302[2248681000] - TRAVEL RTRDR.VLV. part catalog new.New Holland 23.302[1708480001] - TRAVEL RTRDR.VLV. part catalog new.New Holland 23.292[2902990002] - TREADLE VALVE part catalog new.New Holland 23.292[2782655001] - TREADLE VALVE part catalog new.New Holland 23.292[2496572001] - TREADLE VALVE part catalog new.New Holland 23.292[2444716000] - TREADLE VALVE part catalog new.New Holland 23.610[2495252001] - CONTROL BLOCK INSTALL.MATERIAL part catalog new.New Holland 23.610[2495768000] - CONTROL BLOCK INSTALL.MATERIAL part catalog new.New Holland 23.610[2782978000] - CONTROL BLOCK INSTALL.MATERIAL part catalog new.New Holland 23.611[2248584001] - CONTROL BLOCK MOUNTING PARTS part catalog new.New Holland 23.611[2283063001] - CONTROL BLOCK MOUNTING PARTS part catalog new.New Holland 23.611[2444133000] - CONTROL BLOCK MOUNTING PARTS part catalog new.New Holland 23.612[1708977002] - CONTROL BLOCK part catalog new.New Holland 23.612[2283064002] - CONTROL BLOCK part catalog new.New Holland