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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: 104 		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: 3739 		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: 104 		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: Yesterday 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: 104 		Post Options Post Options   Thanks (0) Thanks(0)   Quote dertz19 Quote  Post ReplyReply Direct Link To This Post Posted: 22 hours 24 minutes ago 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: 3800 		Post Options Post Options   Thanks (0) Thanks(0)   Quote AC7060IL Quote  Post ReplyReply Direct Link To This Post Posted: 2 hours 9 minutes ago at 6:51pm
Both the K & K2’s could of just been equipped with one lefthand 13T header drive. Or, they could be equipped with a left hand double drive sprocket with a 13T inside & a 25T outside. Its outer 25T powers either A238 or A330 cornheads. Either the lefthand double’s inner 13T or lefthand single 13T, both powered any platform 10’,12’,13’,15’.

Think the 430,438s get both left & right power drives - both 13Ts?? Never ran them so not sure?

All of the lefthand toothed hubs fit over a tapered & keyed shaft.

Edited by AC7060IL - 1 hour 50 minutes ago at 7:10pm
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