The trademarked MyRIDE suspension system makes this Toro TimeCutter 75213 60-Inch Riding Mower a perfect machine for large fields with a lot of rough patches and some hilly areas. It's so powerful it cuts mowing time by half.
Mowing is taxing enough, so you should find a mower that would make your task easier and more convenient. Is the Toro TimeCutter 32-inch exactly what you are looking for? For starters, it has a zero-turn capability, which will make mowing manageable.