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Gleaner K2 corn head alignment problem
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dertz19 View Drop Down
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Joined: 22 Sep 2009
Location: Minnesota
Points: 105 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dertz19 Quote  Post ReplyReply Direct Link To This Post Topic: Gleaner K2 corn head alignment problem
    Posted: 09 Oct 2026 at 9:42pm
I purchased a '78 K2 Corn/Soybean Special a couple years ago, that came with a grain head. This spring I acquired a low profile black A330 corn header, from a gentleman who had used it on multiple K2's for his test plot business. I assumed these would be similar vintage and align.....I discovered that the sprocket on the cylinder drive shaft on the combine is about 1" off to align with the innermost sprocket on the corn header. Any advice?
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tbran View Drop Down
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Joined: 14 Sep 2009
Location: Paris Tn
Points: 3740 		Post Options Post Options   Thanks (0) Thanks(0)   Quote tbran Quote  Post ReplyReply Direct Link To This Post Posted: 09 Oct 2026 at 11:25pm
You need the double 13 tooth sprocket on the thresher countershaft - will try to get pn tomorrow. 
When told "it's not the money,it's the principle", remember, it's always the money..
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dertz19 View Drop Down
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Joined: 22 Sep 2009
Location: Minnesota
Points: 105 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dertz19 Quote  Post ReplyReply Direct Link To This Post Posted: 09 Oct 2026 at 11:40pm
A double sprocket was what I was suspecting... I've got parts books and manuals I've been researching- are both sprockets the same size- 13T? For a K2? I've got a parts book that shows an inner 13 tooth sprocket and an outer 25 tooth sprocket, for a K2.

Thanks!
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Jordan(OH) View Drop Down
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Joined: 11 Sep 2009
Location: Celina, OH
Points: 1590 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Jordan(OH) Quote  Post ReplyReply Direct Link To This Post Posted: 10 Oct 2026 at 6:51am
25T is for a wide row head.
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dertz19 View Drop Down
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Joined: 22 Sep 2009
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Points: 105 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dertz19 Quote  Post ReplyReply Direct Link To This Post Posted: 10 Oct 2026 at 10:36pm
Thanks for the help!
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AC7060IL View Drop Down
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Joined: 19 Aug 2012
Location: central IL
Points: 3815 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AC7060IL Quote  Post ReplyReply Direct Link To This Post Posted: 11 Oct 2026 at 6:51pm
That A330 cornhead us a nice combo to the Gleaner K or K2.

Edited by AC7060IL - 23 Oct 2026 at 10:59pm
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dertz19 View Drop Down
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Joined: 22 Sep 2009
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Points: 105 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dertz19 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Oct 2026 at 8:36pm
Update on this, the correct sprocket turned out to be the 13T and 25T combo sprocket, with a 330 corn head driven off the 25T sprocket. Oakley Salvage in North Carolina did not have one, but he indicated AGCO still sells the part which in fact, turned out to be the case, Part # 70575291.

I would have thought a Corn/Soybean special would have had the 13T/25T sprocket but maybe someone switched it out at some point....
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