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Central IL | We had the same thing, a very tired 643 and had the same problems. Ears would pile up and could not go much over 3 mph in good corn. Last year we replaced everything. Deck plates, sprockets, springs, gathering chains, knives, snap rolls and WOW.....night and day difference. Wish we would have bit the bullet and did it a couple years ago. I think the "pooling" of ears was mainly from worn gathering chains. The new snap rolls pull the stalks in very well now. Our biggest unexpected expense was getting the old snapping rolls off. We ended up having to take it to the dealer so they could use their hydraulic puller. They broke one of their pullers trying to get them off they were so stuck to the gear box. | |
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Tips to get a 643 head to do better
