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Floyd County, Iowa | I had a 443 high tin on my 6620. Worked fine for many years. As said above, the worst thing for me was the rotary screen plugging with leaves and tassels. I got around that by combining in lands, with the screen on the harvested side. Worked better for my wife when turning around on the ends, too.
The other thing was tank capacity. A 643 would have never worked for me because the tank would be full all the time. It was "bad" enough with a 443 figuring out where to park wagons so we could dump efficiently. Ended up having most of the wagons on the south end and a couple in the middle. Go north to the middle, dump what was in the tank, finish going north and go south to the end and dump the full tank. Repeat, repeat.....
Worked fine that way.
Now I have a 9400 with Mauer extension, and a 643 low tin with all poly. Tank is bigger, but now park wagons on each end and dump every time we turn. Works this way, too. Longest rows are about 20 rods short of 1/2 mile
Also, I never got over about 2.8 mph with the 6620/443 setup. I ran it with the sieves pretty tight for clean sample and could run it over the back much faster than that. I don't figure that I have to run at full capacity.
Edited by oldbones 6/27/2018 21:00
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Deere 6620 Titan II Corn Head 443 or 643? HI Tin or low Tin
