Combines 8820 and 7720 as a fescue machine

In the willamette valley oregon(condidered to be the turf grass capitol of the world) the jd conventional combine is about the most popular. Most run spike tooth cylinders. Almost any seive type or brand seems to work. In dry conditions, pretty much every color of machine does about the same job at the same tons per hour. But when it gets tough the conventionals really show there stuff.(in grass that is One of the most sought after used machines for a medium sized operation is an 8820 titan 2. Around here it is getting tough to find a good clean one anymore because nobody will part with theres. Even some of the larger operations that grow a smaller amount of grass for a rotationary crop, will buy a john deere just for grass and use there other machines in the rest of there crops. You might even try to get ahold of the Oregon State University extention office and see if they have any research data concerning the difference in threshing capacity and abilitys of the conventional versus the rotory. They seem do do a lot of interesting stuff like that in the grass seed growing area.