[430u]

we jsut ordered a 9670 a couple months back and a new jd chopping head 12 row 22", will oit have enough power to pull it wiht a 450 bushel Big Top grain tank on it also.

 

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I'd say running that 12 row 22" chopping head might be a bit of a struggle for it, but I honestly wouldn't know... you may want to ask your salesman what the HP/row requirement is.