Consider additional options that you have to increase capcity in threshing and separating. Currently there are Gorden threshing bars for the front half of the 60-66 and 80-88 series combines. Also there are helical double separator bars available for the rear half of the 80-88 series specialty rotors. Click on the link below for color views of the Gorden Bars. For more information phone 1-800-745-1680