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Implement Alley Discussion Forum

Re: Disc plow vs Turn plow

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03-22-2013 04:22:52

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I have a 3 bottom trailer disc plow. Bought it for reclaiming older brushy pasture. So far I haven't been able to get it to plow good. I'm thinking the discs might be worn too small to work right. I love the idea of them, just need to get it working right.

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03-23-2013 17:06:09

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 Re: Disc plow vs Turn plow in reply to Bret4207, 03-22-2013 04:22:52  


the trail guide wheel is very important in making a disc plow work, or pull straight.

the disc blades push the plow to the left, the trail guide wheel must be angled enough to push back and keep the plow running straight.

most old disc plows were put in the fence row when the rear trail wheel disc blade (straight blade like a plow coulter blade worn down and could no longer bite in enough to keep the plow running straight.

my friend and I have two ferguson disc plows, picture attached is the other disc plow, both work great: I had to replace the rear trail guide blade on both of them first thing.

I bought a flat plow coulter blade 18" I think, laid the old blade over the new one and used my torch, blew the mount holes into the new blade,
worked like a charm.

again: you must be able to adjust the rear guide wheel and it must have enough bite to it, to keep the plow going straight.

otherwise, a disc plow will not work.

on the plow disc blades themselves, you can take your 4 1/2" disc grinder and sharpen the edges of the main plow blades, if necessary.

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03-24-2013 05:58:13

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 Re: Disc plow vs Turn plow in reply to wellmax99, 03-23-2013 17:06:09  
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The trail wheel on mine is roughly 30" in diameter, has an edge that stands 4-6" proud of the wheel and is part of the wheel casting. When I fixed the trail wheel bearing I had to dismount the wheel. That required taking of the 3 wheel weights that were probably 35-40 lbs each. The wheel itself weighs about 100 lbs I'd think.
The reason I think the discs are word too much is that they are 22-23" in diameter and the standards look to have enough space for 30-32" discs. Unfortunately I've never been able to determine the make. It has red and blue paint like a McD/IHC in places, but has "DP" prefixes to casting numbers which don't cross to IHC according to info I got here. I still think it may be an IHC though.

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