Originally Posted by tacoma200
The Exmark Chart says at 10 mph with a 60" deck it will mow about 6 acres an hour at 100% efficiency. No one mows at 100% (that would be a strait line I'm assuming with no turns). I would guess 3 acres would be the max in the real world with flat ground. Just a guess. Here is the website for the chart http://www.exmark.com/productivity.htm
Tacoma - you are absolutely right. I think your 3 acres might even be somewhat optomistic. But Close.