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Gleaner chopper question

Printed From: Unofficial Allis
Category: Allis Chalmers
Forum Name: Farm Equipment
Forum Description: everything about Allis-Chalmers farm equipment
URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=189494
Printed Date: 07 Apr 2026 at 2:02pm
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Topic: Gleaner chopper question
Posted By: Northern Hoser
Subject: Gleaner chopper question
Date Posted: 14 Jul 2022 at 9:01pm
Hello all, putting new stationary teeth (concave) in my L3's chopper, fresh from AGCO they seem dull, but definitely better than the old ones.

Should I sharpen these before I put them in? I'm guessing they should go in as is but thought I'd ask. Thanks.

BTW flail blades are good, nice flat edges





Replies:
Posted By: jiminnd
Date Posted: 14 Jul 2022 at 10:07pm
I would say just use them that way, more medal to wear off.

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1945 C, 1949 WF and WD, 1981 185, 1982 8030, unknown D14(nonrunner)


Posted By: SteveM C/IL
Date Posted: 15 Jul 2022 at 11:28am
The knives do the cutting. They need something to whack against. The factory concave is fine as is. I doubt you could tell the difference if you sharpen them.


Posted By: Northern Hoser
Date Posted: 16 Jul 2022 at 8:24pm
Ok thanks, other forums suggested that the spinning flails should have a square dull edge and these concave teeth need an edge on them.

One guy said he sharpened the flails and it made it worse.

It works ok now but had several missing teeth, $16~ a piece from AGCO in Canada

Matt


Posted By: SteveM C/IL
Date Posted: 18 Jul 2022 at 10:49am
The edge of the flails isn't that picky either. What you have to pay attention to is the corners getting rounded off. Round corners won't grab damp straw. Next thing you know you are baling the back end and wrecking walkers and cranks.


Posted By: Unit3
Date Posted: 19 Jul 2022 at 11:11pm
They sharpen them in the rotary machines. 

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2-8070FWA PS/8050PS/7080/7045PS/200/D15-II/2-WD45/WD/3-WC/UC/C


Posted By: SteveM C/IL
Date Posted: 20 Jul 2022 at 10:30am
Originally posted by Unit3 Unit3 wrote:

They sharpen them in the rotary machines. 
False blanket statement. My 97 R62 is just like the conventionals only blades are some bigger. Have seen S? series with fine cut chopper had sharp knifes.



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