Posted 11/14/2018 17:18 (#7105649 - in reply to #7104663) Subject: RE: Chisel plows
ND
If just a chisel plow I'd say a 17' as we used to use on our 4640 but the disc on front will greatly add up needing more power so there I'd say a 11' will be enough. We had a JD 610 w.th walking tandems a 17' behind the 4640.