Mixing plow share and moldboard sizes

Jason S. · Mar 28, 2015

I've been wondering about this for a while. I know people mix parts when certain wear parts are no longer available, but I've seen where some manufacturers offered plows that way when they was new. I saw Ford had some like that and maybe IH too? I would think that a 14" moldboard and 12" share would leave quite an unplowed strip between furrows. Or what about 16" moldboards and shares on a 14" frame? I'm just curious what the advantages and disadvantages are of mixing sizes. Thank you.

paul · Mar 28, 2015

At times there was thoughts that a narrower share on a wider bottom would pull easier, when you bought too big of a plow for your tractor.

At other times when plowing stringy roots like alfalfa a wider share on a smaller bottom will cut the roots all the way across.

Then you get into different soil types and how it pushes or scours or rolls, and it all works different....

Pretty much any combo has been used somewhere some how for some reason.

Paul

JD Seller · Mar 28, 2015

Jason it was a common practice around here to run 14 inch shears on 16 inch plows when plowing sod. The shorter shear would leave one side anchored so the mold board would have to flip the sod strip not just slide it sideways. This was real true in steep side hills. If you where throwing the dirt "down" the hill it would some times just go side ways and not flip at all. So the shorter shear kept that from happening.

Leroy · Mar 29, 2015

Different manufactures used the same moldboard on some models of plows with different shares for different widths of cut, The bottoms use on Deere 44 & 55 plows were like that a common moldboard for 10", 12" & 14" plows with just a different length of share. The older Deere plows did use a smaller bottom on the 12" plows than the 14" tho. Could have been a cost cutting measure but the 44 was an adjustable frame plow and small frame was 10" or 12", medium frame was 12" or 14" same moldboard, just different shares and to change over from 12" to 14" ot other way around you only had to change a 14" share to 12" to go from a 14" plow to a 12" plow, the 12" share would work in most conditions wthe frame set on 14". On Oliver the 14" moldboard was the same as on the adjustable frame 3 point hitch Oliver that used a 16" share but that frame could be set to 14" and use the same bottom with just a 14" share.

Mixing plow share and moldboard sizes

Jason S.

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paul

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JD Seller

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Leroy

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