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  1. #1
    Silver Member
    Join Date
    Aug 2009
    Port Orchard, WA
    Kubota L4310 GST;Case 580 CK (1968)

    Default Case 188 Diesel -- Oil Selection

    I have a recently acquired 1968 Case 580 CK with a 188 cu. in. Diesel. All the old manuals suggest using a single weight oil, but I would rather not have to engage in seasonal oil changes. Does anyone use 15w-40 in their 188? It is what I use in the other two diesels I own and would like to keep them all consistent if I can. What is your experience out there?
    Port Orchard, WA
    Kubota L4310 GST

  2. #2
    Super Member RickB's Avatar
    Join Date
    Sep 2000
    Lincoln County, NC need new avatar!
    Just a Scag

    Default Re: Case 188 Diesel -- Oil Selection

    You can't possibly go wrong with a high quality 15W-40 CI-4 OR CJ-4 oil.
    Spring is the season of optimism.

  3. #3
    Elite Member
    Join Date
    Jan 2009
    Carroll, Ohio
    IH Farmall 656 gas/ IH 240 Utility/ 2, Super C Farmalls/ 2, Farmall A's/ Farmall BN/McCormick-Deering OS-6/McCormick-Deering O-4/ '36 Farmall F-12/ 480 Case hoe. '65 Ford 2000 3 cyl., 4 spd. w/3 spd Aux. Trans

    Default Re: Case 188 Diesel -- Oil Selection

    I use 15/40 in my 480C with the 188, and am in the process of weaning everything I have over to it, other than the lawn & garden stuff.

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