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  1. #1
    New Member
    Join Date
    Feb 2011
    JD 5300

    Default Broken 18" disc on disc harrow

    Broke a disc today. It is an 18" notched concave disc. Went to and I see about 10 choices with differing measurments. How do I figure out what I have so I can correctly replace it? Thanks.

  2. #2
    Super Member RickB's Avatar
    Join Date
    Sep 2000
    Eastern NY
    Case 885, JD 730D, Ford 4000

    Default Re: Broken 18" disc on disc harrow

    Take the gang apart and measure the size of the arbor bolt hole and disc thickness at the hole. Make note of the shape of the arbor bolt hole in the disc. Order a suitable replacement, factoring in any wear on your old discs.
    We have too much gun control.
    What we need is more idiot control.

  3. #3
    Elite Member bullbreaker's Avatar
    Join Date
    Mar 2009
    Kubota L3400 DT,John Deere GT 235,JD GENERATOR AC-G8010S-E

    Default Re: Broken 18" disc on disc harrow

    Can't you take off even a good disc on side your going to replace and have to take off anyway and match up?Measure disc across making sure it is an 18"er.Measure distance between notches. Also make sure inner center holes or squares are same.
    Also don't know if it matters to you,but some disc are made in India,Brazil,Canada ,etc.
    Here's a pic of my A@B Eagleline DH my disc are made in Canada.


    (Sorry getting late in day for me been up since 3 am,just noticed your looking up AS site.In my mind I pictured you went to actual store)
    Attached Thumbnails Attached Thumbnails -004-jpg  
    Last edited by bullbreaker; 02-22-2011 at 08:36 PM.
    2 CHRONICLES 7 : 14 (KJV)

  4. #4
    Elite Member blueriver's Avatar
    Join Date
    Oct 2007
    JD 5520 Montana 4340 Farmall Super C

    Default Re: Broken 18" disc on disc harrow

    I may stand corrected ... I believe the shaft can be 1" or 1 and 1/8 th inch or an inch and a quarter ... as long as the disc is the 18" and center hole matches the shaft, should be good.
    "When selling a lifetime ... don't sell it short"

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