Transmission Assembly, 4WD / 2WD, PBST, 25 / 30 km/h (15.4 / 18.5 mph) (1 of 8) DVDV Drives and Propulsion, PBST & ProDrive™ 8100 Self-Propelled Forage Harvester (Worldwide Edition, S.N. 517000 - 517999) PC14140 in HARVESTER, ENSILAGE AND FORAGE (SELF-PROPELLED) 8100