Ok fellas ,I’ve got a kubota 3830 gst 2wd ...while turning under some corn with a 5’ tiller I began to hear a loud banging slapping noise from below my seat/feet area just behind engine ,took it back to shed ,got underneath and had helper engage and disengage pto etc and it is definitely coming from tractor,,,Trans area ,where the front 2 hyd fluid plugs are ...that area ......say middle of the tractor ..... I don’t use the pto that much ..mostly use the front end loader ..any ideas? Roughly 700 hrs on her ...thanks guys !