2019 Gone Farmin' Fall Premier Auction

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Thread: D2 d4 back end

  1. #1
    Join Date
    Jul 2019
    Location
    Cheshire uk
    Posts
    19

    Default D2 d4 back end

    What oil do you recommend for d2 and d4 and rd4 back end and gearbox

    Thanks Bodie

  2. #2
    Join Date
    Nov 2017
    Posts
    441

    Default

    the book calls for 90 weight. but because there isn't any yellow metal it is better in my opinion to use a more modern EP gear oil.
    D4 6U,1943 D4 2T,Laplant Choate C41 Carrimor Scraper

  3. #3
    Join Date
    Jan 2007
    Location
    Moriches NY, Hancock Ma
    Posts
    2,354

    Default

    i use 90w GL5 gear oil in all of mine
    Cat 941B, Cat D2 4U, Cat D3B, Cat D4 7U, Cat D6 9U

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