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Implement Alley Discussion Forum

Re: 8 foot John Deer Disc question

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Joel Sanderson

05-29-2020 08:52:30

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I have a John Deere 8 foot wheel disc. My '44 JD A can hardly pull it in plowed ground on the first pass, and it really needs to be done in 2nd gear; but after the first pass it does it okay, and I can shift up to 3rd. That's a 29 horse tractor, no fluid, with one set of wheel weights. I just started using a '47 JD D this spring, which is 42 to 45 horse power or so, and it handles it really well. Don't know how this compares to what you have, but maybe it'll help.

One of the things I really like about my disc is how well it finishes. It has 14" discs (not cones) and on the outside of the rear gang, the last two discs are 12" then the 10" furrow fillers that extend beyond. This makes a very even transition and hardly makes any disc ridge. You might consider that if you decide to rebuild your disc and intend it for finishing. Keep two of the worn out discs to use on the outside of the rear.

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06-02-2020 17:13:54

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 Re: 8 foot John Deer Disc question in reply to Joel Sanderson, 05-29-2020 08:52:30  
Thanks for the information. The owner of the disc says that it is set up for a category 2 hitch. I don't know if that says something about the size of the tractor it is meant for. I suppose the pins could have been changed at some point since it's an older disc. The 6 foot disc I have I pull in 2nd gear mid range in newly plowed ground.

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05-29-2020 10:48:03

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 Re: 8 foot John Deer Disc question in reply to Joel Sanderson, 05-29-2020 08:52:30  
Amd all of your blades are completely wore outm should stop trying to use them when they get down to 15"

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Joel Sanderson

05-30-2020 08:50:53

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 Re: 8 foot John Deer Disc question in reply to Leroy, 05-29-2020 10:48:03  
Well maybe I should actually measure them. I'm not sure of the diameters, honestly--just that the last one on the rear is smaller, then the furrow filler is smaller yet. Works wonderfully for a finishing disc.

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