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Deere wheat concave (small wires)

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Tractor Expert

Joined: 03 Jun 2008
Posts: 1656
Location: Kansas

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PostPosted: Wed Jun 22, 2022 11:38 pm    Post subject: Deere wheat concave (small wires) Reply to specific post Reply with quote

Last year I tested the Deere 8820 against the MF 860.
I think the 8820 does not tresh as nice, main cause being the concave, that is an "universal" one on mine. Wires are 15/16'' inch spaced, 1/4 inch.
THe MF860 I have has a small wire concave, and treshes a lot better.

For this year, I have removed the concave, straightened it and made few passes of it hard welding rod, then grind it to original.

Then I got 2 extra bats welded at the front of the concave, between the first 3 bats. I had them laser cut, so I did not have to drilled so many holes....

I still think the 8820 would perform a lot better in small grain with a small grain concave. Do you know where they are available?

This post was edited by fdt860 on 06/23/2022 at 03:12 pm.

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Joined: 13 Jan 2016
Posts: 85

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PostPosted: Fri Jun 24, 2022 2:23 am    Post subject: Re: Deere wheat concave (small wires) Reply to specific post Reply with quote

I would give Harvest Services a call. We put a set of their concaves in a deere rotary and they are amazing.
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