Can I use an adjustable 336 corn head on 30" rows?
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Forum Name: Farm Equipment
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URL: https://www.allischalmers.com/forum/forum_posts.asp?TID=208067
Printed Date: 08 Sep 2025 at 7:29am
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Topic: Can I use an adjustable 336 corn head on 30" rows?
Posted By: dertz19
Subject: Can I use an adjustable 336 corn head on 30" rows?
Date Posted: 05 Sep 2025 at 11:07am
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I understand these heads can adjust up to 2"? So that brings it down to 34". 330's are darn tough to find around me, but there's a 336 close by. This is on a K2.
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Replies:
Posted By: DrAllis
Date Posted: 05 Sep 2025 at 11:48am
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If your hybrids have the ear up off the ground aways, it would work as you can carry the head raised up a bit. You are bending the stalk inward, which is better than outwards. Certainly not ideal. As far as the 2 inch thing.....a 4-38 head can be made 36 or 40. If it is truly 36 inches, the sheetmetal bolts should be in the middle set of holes. It might be a 3-38 head ?? set to 36 meaning that's it.
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Posted By: dertz19
Date Posted: 06 Sep 2025 at 10:29pm
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Thanks for the input. Good point about raising up the header!
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Posted By: DrAllis
Date Posted: 06 Sep 2025 at 10:30pm
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I was wrong. You are bending the stalk outwards. Not a good thing.
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Posted By: dr p
Date Posted: 07 Sep 2025 at 5:54am
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i have done it with a two row head and its hard. With a three row head, the discrepancy is 18 inches. That won't work. Maybe if you only use two rows but i would keep looking
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Posted By: AC7060IL
Date Posted: 07 Sep 2025 at 6:28pm
Dertz19, yes as long as corn is standing good(no root lodged or stalk lodged).
Center drive 336’s middle row spot on & two outside rows are each 6” off centered but snouts should direct stalks into snap rollers. Maybe set cornhead sprocket drive to slower speed & pace combine’s forward travel for best results. Adjacent row(s) maybe get crowded away from outer snout’s rear fenders. Drive so cornheads left side slip-clutch’s metal cover/panel is towards harvested side. It sticks out about 6” from edge of fender.
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