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ACinSC 
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Location: South Carolina
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 Topic: Three point hitch 4 disc plow
Posted: 10 Sep 2023 at 1:53pm |
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Looking at one . Gotta wonder if my D 15 will pull it ok ? Going by the pics the discs look about 20" . Any thoughts ? Thanks !
Edited by ACinSC - 10 Sep 2023 at 4:14pm
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DiyDave
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Joined: 11 Sep 2009
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Posted: 10 Sep 2023 at 4:41pm |
It might, depending on your soil. I know they pull 3 bottoms OK in most soil. Limiting factor may be weight, can you keep the front wheels on the ground? 
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dr p
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Posted: 10 Sep 2023 at 4:46pm |
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I would measure those discs again. They should be 26 inches in diameter. And if you are plowing light soil it should be ok but my wd 45 struggles with three in heavy soil
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ACinSC
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Posted: 10 Sep 2023 at 4:53pm |
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Thanks guys, I'm just going by a couple pics. May go look at it as it's about an hour away. Does look very heavy.Our soil is mostly sand.Thanks again
Edited by ACinSC - 10 Sep 2023 at 4:54pm
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ACinSC
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Posted: 10 Sep 2023 at 4:57pm |
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One thing I don't understand is where the top link should hook up there's several vertical bolt holes? Thanks
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DrAllis
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Posted: 10 Sep 2023 at 5:41pm |
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All implements should have more than one top link hole!! but they usually don't. As much as SAE and ASAE engineers tell you 3-point hitches are all the same dimensions, they are NOT !! Extra holes should allow for you to adjust so you can get enough transport lift and still achieve the proper working depth without compromise on either.
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dr p
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Posted: 10 Sep 2023 at 7:13pm |
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The snap couple ones have two sets of holes, one position is for transport, the other for field work
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ACinSC
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Posted: 10 Sep 2023 at 7:17pm |
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As always, Dr Allis is right. To my eyes these holes look too small for a Cat 1 top link pin . Thanks guys!
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ACinSC
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Posted: 11 Sep 2023 at 12:31pm |
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Also looking online at a Dearborn plow with two 24" discs . Pretty sure my old D 15 can pull that . Thanks
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DanielW
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Posted: 11 Sep 2023 at 2:02pm |
There were (and are still) a few styles of disc plows made. Are you referring to the Dearborn/'One-Way' style, that looks like a super-sized gang off a regular disc. Or is this one with individual discs on separate axles (more like a moldboard plow)?
In my (albeit limited) experience the HP/cutting width ratio on a disc plow is about the same as a moldboard plow. I have a Dearborn that cuts 42" (I think 5 disc?). Never pulled it on an Allis, but have put it on my Case 530 & 630 (40 HP and 48 HP respectively).
Both pulled it fine in sandy loam. Only time I wanted more HP was actually in really, really sandy soil where I was trying to go deep. It would drop itself in as deep as I wanted it, but really sucked some HP once it got up near the axle/shaft. Which of course is what you'd expect. |
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ACinSC
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Posted: 11 Sep 2023 at 2:15pm |
Thanks Daniel , both of these are the 'one way' kind .
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dr p
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Posted: 11 Sep 2023 at 4:00pm |
I think the ones that look like a gang of a disk are sometimes called disk tillers and are more common in dry land regions. The ones that resemble the moldboard plow with a big disk and a scraper shaped like a small moldboard (but bigger than a joiner) is called a disk plow . they are great for busting up "virgin" soil and are more common in the south.
Just to confuse things a little more, I think I saw a picture of something that looked like a bastard child of the two in Wendel's book.
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ACinSC
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Posted: 11 Sep 2023 at 6:14pm |
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Thanks , Dr P . I'm in the south and just found another one . I think it would do a good job on our firebreaks/roads at the 'farm' .
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IBWD MIke
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Posted: 12 Sep 2023 at 8:58am |
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I would think a 4-disc plow would be one **** of a load for a D-15, just to pick it up. There is a video from Hutch this year, J&L video, our own Luke R is pulling a 4-disc plow, with a 180!
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ACinSC
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Posted: 12 Sep 2023 at 11:06am |
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Thanks Mike , you're probably right . Sure looks heavy in the picture .
Edited by ACinSC - 12 Sep 2023 at 11:07am
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