Harvesting Corn With a New Claas Combine. Ziegler CAT brought out a new Claas 760 combine for us to try out over the weekend for our corn harvest. My buddy Jon and I spent some time setting it up and then the next day we went wide open with it. So far it's been good but there have been a couple of hiccups along the way. I give you my thoughts on the machine so far and let you come with me while we harvest.