The 4120 is a heck of a tractor. I have had one for (4) years and have not needed to visit the dealer for anything but oil filters for scheduled changes. Absolutely perfect size for operating a 6 ft bush-hog in any conditions. I would reccommend sticking with the Bush-hog brand in a rotary cutter as they make the neatest cut of any brands I have tried. Save a little money also and stick with the gear trans, and 400X loader. Gear is better for open field mowing as it sounds like is your major task. Save some more by going with R1 tires, unless you need to use it a lot on a lawn. Consider the telescoping lower links if you intend to do much changing of impliments.