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Anyone use these round bar concaves on a 21 or 2388? Had issues in wet corn or when frosty or snowed on corn leaves were melting. I run OEM large wire now with every other wire out on 2nd and every 3rd on the 3rd concave. 2nd one plugged solid with leaves and first and third a little. Mechanic said they now have round bar concave 'update' for the combine. Suggested running it on corn and beans. Any suggestions?
 

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Used round bar for the first time this year in corn soy and wheat in our 7010 and I think they are much better than the alternatives in snow and wet conditions Would recomend them to anyone and do't see that it would be different in a 21 or 23
 

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I wouldn't think that they would work very well in small grains. I have never tried, always ran small wire concaves for grain. I don't think that the round bars would be aggressive enough to thrash small grains, especially hard red winter weat.
 

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we use 2 sets of small wire in the front and 2 sete of round bar in the rear in wheat and really liked the results. it seemed to leave the straw long enough when it was dry and allowed us to keep the wheat from going through the rotor when it was damp We combined wheat much later into the evening tha we had ever done befor
 
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