OK...been a while since I posted my questions and been weeks of study. Bought a 2011 Kubota MX4700!! Saved $1100 over a MX5100. 5100 had 4hp more but is same tractor, same frame, set-up, etc. I don't think I'll miss that 4hp bush-hogging 30 acres and a little dirt work, hopefully. Paid $27,000...