Stronger Feeder house upper shaft, bigger engine, air ride seat, more accurate cylinder settings. Other things maybe different but not sure; better cleaning fan, chaffer and sieve setting control, fold down loading auger, hand holds on cab for holding onto when cleaning windows, better sheilding on sides of combine to keeping chaff out, three speed engine switch settings, more lights as standard equip. There are many options that can be added to older 9600's that are standard on the 9610, the dealers have a brochure.