RH5.5 - CRAWLER EXCAVATORS - FROM SN 75000 TO SN 75349 (3/89-12/05) No Description Parts on group : Pos. Part No Qty Parts name Comments 1. 1927360 [1] VALVE 31. 763075 [4] O-RING 32. 1407263 [2] O-RING 33. 9992069 [1] O-RING 34. 1725503 [1] BACK-UP RING Parts catalog : 02.057[1906659000] - STRIP part catalog new.New Holland 02.055[1907476000] - CONTROL VALVE part catalog new.New Holland 02.052[2443001000] - HYDRAULIC SYSTEM part catalog new.New Holland 02.052[2283931000] - HYDRAULIC SYSTEM part catalog new.New Holland 02.052[2176270001] - HYDRAULIC SYSTEM part catalog new.New Holland 02.052[2141593000] - HYDRAULIC SYSTEM part catalog new.New Holland 02.052[2141468000] - HYDRAULIC SYSTEM part catalog new.New Holland 02.050[2249945000] - PRESS-SUCTION VALV part catalog new.New Holland 02.059[1906881000] - PRESS.REL.VALVE part catalog new.New Holland 02.059[1908268000] - CONTROL BLOCK part catalog new.New Holland 02.059[1998385001] - CONTROL BLOCK part catalog new.New Holland 02.059[2141263000] - CONTROL BLOCK part catalog new.New Holland 02.059[2141478000] - CONTROL BLOCK part catalog new.New Holland 02.059[2175760000] - CONTROL BLOCK part catalog new.New Holland 02.059[2248595000] - CONTROL BLOCK part catalog new.New Holland 02.059[2284022000] - CONTROL BLOCK part catalog new.New Holland