RH6-20 - CRAWLER EXCAVATORS - FROM SN 77500 TO SN 77634 (12/91-6/94) No Description Parts on group : Pos. Part No Qty Parts name Comments 1. 2131136 [1] CHECK VALVE 3. 1413997 [1] SEALING RING 5. 2135433 [1] VALVE 6. 2135434 [1] VALVE GUIDE 8. 2135435 [1] SPRING Parts catalog : 23.122[2141659001] - BLOCKING VALVE part catalog new.New Holland 23.122[1906441000] - BLOCKING VALVE part catalog new.New Holland 23.120[2215632002] - BLOCKING VALVE INSTALL.MATERIAL part catalog new.New Holland 23.032[2283602000] - PRESS.REL.VALVE part catalog new.New Holland 22.520[1907881000] - RODS TREADLE VALVE part catalog new.New Holland 22.402[1908428000] - DISTRIBUTOR part catalog new.New Holland 22.202[2248164002] - FILTER SERVO CONTROL part catalog new.New Holland 22.110[2283591000] - AXIAL PISTON MOTOR part catalog new.New Holland 23.182[2141045002] - CONTROL VALVE part catalog new.New Holland 23.182[2141196001] - CONTROL VALVE part catalog new.New Holland 23.232[1998158002] - SOLENOID VALVE part catalog new.New Holland 23.242[1908433002] - VALVE INTERCONN. part catalog new.New Holland 23.271[1592492002] - SERVO VALVE MOUNTING PARTS part catalog new.New Holland 23.271[1592493005] - SERVO VALVE MOUNTING PARTS part catalog new.New Holland 23.291[1549419001] - TREADLE VALVE MOUNTING PARTS part catalog new.New Holland 23.292[1549396002] - TREADLE VALVE part catalog new.New Holland