I am trying to decide which tractor to buy for my 24 acres. I am leaning toward either the JD 5105 or the Kubota 4900. I have always wanted that John Deere green, but I don't know if it is really the best tractor. I have considered other options, such as Zetor or Mahindra. The price of these looks attractive but I am afraid of poor servicability. What brand do you suggest and why?