FD20 - CRAWLER DOZER (1/66-12/88) Hydrostatic Transmission Parts on group : Pos. Part No Qty Parts name Comments 10516. 10516671 [12] LOCK WASHER 10519. 10519621 [12] WASHER 12429. 12429521 [4] STUD 14466. 14466380 [4] O-RING 16044. 16044221 [12] SCREW 79022. 79022166 [1] COVER 99313. 9931323 [1] COVER 99313. 9931325 [2] INTERNAL EXCHANGE UN Parts catalog : B2.18[001] - CONVERTER HEAT-EXCHANGER part catalog new.New Holland B2.17[001] - OIL FILTER part catalog new.New Holland B2.12[001] - REVERSER CONTROL part catalog new.New Holland B2.10[001] - GEARSHIFT INNER CONTROLS part catalog new.New Holland B2.07[001] - GEARSHIFT OUTER CONTROLS part catalog new.New Holland B2.06[001] - TRANSMISSION LUBRICATION SYSTEM part catalog new.New Holland B2.04/1A[005] - TRANSMISSION CLUTCHES part catalog new.New Holland B2.04/1A[004] - TRANSMISSION CLUTCHES part catalog new.New Holland B2.30[001] - TRANSMISSION HYDRAULIC CONTROL part catalog new.New Holland B2.30[002] - TRANSMISSION HYDRAULIC CONTROL part catalog new.New Holland B2.33[001] - DISTRIBUTOR part catalog new.New Holland B2.33[002] - DISTRIBUTOR part catalog new.New Holland B2.33/A[001] - DISTRIBUTOR part catalog new.New Holland B2.33/A[002] - DISTRIBUTOR part catalog new.New Holland B2.33/A[002A] - CONTROL VALVE part catalog new.New Holland B2.35[001] - VALVE part catalog new.New Holland