I have 37 acres, 29 which are CRP grass-land. I have a new King Kutter 72" rotary tiller and will be purchasing a John Deere MX6 72" rotary cutter. I would like to get feedback from others whether or not a 2012 John Deere 4120 e-hydro (43hp, 35ptohp) would be sufficient. My thoughts are that...