tractor rookie here: I am looking at a 1999 John Deere 790 FEL with 450 hrs for 11K vs a mid 80's Ford 1510 with 810 hours for 8K. Both have 4wd, comparably powered, 3 pt hitch. I have a small woodlot, would use tractor for moving dirt, rocks, firewood maybe some snow removal. Tractor is not...