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SW North Dakota | I have 3 of the aggressive threshing concaves with the keystock in a challenger 670 and they perform well in wheat. Very little rotor loss and clean sample. I use those 3 concaves to thresh at the front of the rotor then behind i have 4 old concaves with wires pulled to let grain fall. Ran them for 4 years already and they are holding up well with little wear. Price is steep but you get 2 concaves out of the deal if you flip the replaceable sections around. | |
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New Concaves for rotor combines
