[lowroller]

What's the difference in capacity? I'm having problems with the 7720 with 224 in 70 bushel wheat. Can't get walker loss stopped. Would a 9500 be any different?

 

[lowroller]

They were replaced about 300 hours ago. Factory oem bars and concave. They look really good. What do you think my field speed should be in 60-70 bushel wheat? I have a feeling my dad goes way too fast when he runs it.

 

[tbone95]

Now that is a phenomenon I'd love to deal with just once!

 

[mike52ar]

what kind of shape are the cylinder bars and concave in? 70 bu wheat should be no problem for a 7720.

 

[mike52ar]

i run about 5 mph with a 920 head. i have a st. john welding hardfaced concave and loewen chaffer and sieve. very little loss.

 

[shane3507]

i run 3 mph with a 7720 and 230 head in 60 bu/ac wheat

 

[bansheedealer]

way too fast i would think 2.5 - 3.5 mph max with a 24 ' head in 70 bushel wheat !!!! i wouldnt even go 5mph with an 8820 with a 24" head in 70 bushel wheat

 

[tf9500]

Last year around here it was wet and alot of rainy days, we had to run on days when we shouldnt have been combining, and it was hard to keep the grain in the combine no matter how i set it or what speed i drove, i thought the harvesttrac was lying,maybe the weather played a part in your combine performance as much speed or settings.

 

[turbo7720]

That sounds right 3-3.5 for us with a 230

 

[combiness]

Exactly! 2.5 MPH is an ideal speed for a 7720 with a 24' header in 70 bu wheat.

 

[tf9500]

a 9500 would do 4mph without any problem.