I have a 06 B2920 with 220 hours on it I bought I used last fall with 200 on it I have done a full service on it when I picked it up I was tilling with it this weekend and I noticed I loud chatter when tilling when I lift up it still has the chatter unless their is no load or the 3 point is only half way up has someone had the same issue and if so any thing would help note this is the first time I have used the rear PTO the mid PTO does fine no noise when I mowed