RH12D - CRAWLER EXCAVATORS - FROM SN 90593 TO SN 91000 (8/83-12/00) No Description Parts on group : Pos. Part No Qty Parts name Comments 1. NS [1] NOT SERVICED 2. 1728453 [1] SPROCKET 4. 1751371 [23] WASHER 6. 1740840 [23] SCREW 7. 1709665 [24] BOLT 990. 1951642 [AR] DRIVE Parts catalog : 01.050[1908043000] - DRIVE part catalog new.New Holland 01.050[1907640000] - DRIVE part catalog new.New Holland 01.050[1707774000] - DRIVE part catalog new.New Holland 01.050[1707767000] - DRIVE part catalog new.New Holland 01.050[0732189003] - DRIVE part catalog new.New Holland 01.043[1998686000] - TRAVEL GEAR part catalog new.New Holland 01.042[1707811000] - BRAKE part catalog new.New Holland 01.042[1138769003] - BRAKE part catalog new.New Holland 01.060[0731300012] - IDLER ROLLER part catalog new.New Holland 01.060[0731697019] - IDLER ROLLER part catalog new.New Holland 01.066[2175137000] - GUIDE WHEEL part catalog new.New Holland 01.081[1138335000] - HYDRAULIC SYSTEM part catalog new.New Holland 01.082[1708476001] - HYDRAULIC SYSTEM part catalog new.New Holland 01.082[1907855000] - HYDRAULIC SYSTEM part catalog new.New Holland 01.088[1908714000] - COVER part catalog new.New Holland 01.088[1998692000] - COVER part catalog new.New Holland