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Thread: D2 5J D3400 0.030" Pony Rod Inserts Needed

  1. #1
    Join Date
    Mar 2019
    Location
    N. Texas
    Posts
    6

    Default D2 5J D3400 0.030" Pony Rod Inserts Needed

    Recently, thanks to the ACMOC forum, I now have a freshly machined pony crank. The next step is to find suitable con rod inserts.
    My original pony crank had inserts for 0.030" under standard. These were Clevite CB 388 B.
    The replacement crank has been machined 0.030" under as well. The problem is I have found no one who has or can cross the Clevite number.
    I was hoping not to make custom inserts. Anyone know of a source for 0.030" under rod inserts? Cat only has a part number for 0.020 under in the parts manual.

    Patrick

  2. #2
    Join Date
    Aug 2007
    Location
    Qld Australia
    Posts
    570

    Default Big end Bearings for Pony

    I got caught a couple Years ago thinking I could Buy 30 thou under from Cat , Whoops , only 20 thou. My Machinist Man , looked outside the Box and Found Morris Minor Brgs to Fit Just had to a Shim of the sides. Works perfect. Not sure which Morris Minor But that should give You a good leed. Lets know how Go . If You can't do any good in the States I could get them here for for you and send over the Pond,. LJ

  3. #3
    Join Date
    Sep 2011
    Location
    Lance Creek Victoria 3995 Australia
    Posts
    283

    Default .030 bearings

    Hi All
    30 thou under size is 1H2831.

    Regards
    Daryl
    RD4 4G4368
    D4 7J9915SP
    R4 6G2554SP
    D4 2T6584SP
    D4 7U37855


    May you always be in the right place at the right time with a fist full of Dollars

  4. #4
    Join Date
    Dec 2006
    Location
    victoria australia
    Posts
    2,878

    Default D2, D4 Pony Pistons, Rings and Crank Bearings

    Hi Team,
    from my U D4 Parts Book are the above part numbers.
    Hope this helps,
    Cheers,
    Eddie B.
    Attached Images Attached Images

  5. #5
    Join Date
    Mar 2019
    Location
    N. Texas
    Posts
    6

    Default

    Holt Cat Dallas, Tx. was able to get these in a few days. Cat branded, solid aluminum.

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