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Northern Illinois | Bought our first new 6620 in 1981 with a 444 head. We had a few side hills and it didnt allow for much room, especially following contours. We traded for a new 6620 side hill in 1983 and went to narrow rows at the same time. We traded the 444 for a 643 low tin. We much preferred the 643 over the 444. I would go with a 643/93 and make sure to get the poly, it feeds better in my opinion. I have run a 6620 in 200-250 bpa corn. I never felt we ran short on power, just capacity. In 15-18 percent corn I could still run 2.0-2.5 depending on conditions, with no loss. That would be assuming your 6620 is in good shape internally, concave, bars, augers.. If it worn some, you may not be able to run that fast. | |
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Deere 6620 Titan II Corn Head 443 or 643? HI Tin or low Tin
