chads-------- ran case grates that came in machine at first, shelburn sent wider grates and blanks with the header, tried every combination, what worked best most of the time was wider grates up front and case grates middle and rear with 6 corn bars on roter. in beans ran standard grates. on my neighbors 9760sts same header and stock jd grates , did a great job. the 8010 should have a lot more cleaning capacity but we and case tried every thing we could think of , could not make it right. the salesman said he didn't blame us a bit for trading it off, he is embarassed over this machine and case factory support.