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Thread: case 580c trans axle oil

  1. #1
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    case 580c trans axle oil

    can't seem to find the correct spec oil for the trans axle. Manual shows "Case FDL multipurpose gear lubricant, Api-gl-4, Mil-l-2105b, sae 80 or sae 90. Any in site or replacement type oils would be helpful. Thanks in advance.

  2. #2
    Senior Member alrman's Avatar
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    Quote Originally Posted by jamer View Post
    Api-gl-4, sae 80 or sae 90. Any in site or replacement type oils would be helpful. Thanks in advance.
    You already have your answer jamer...... here in AU, I use 85W/140 as it does not get very cold were I live.
    To steal ideas from one person is plagiarism. To steal from many is research

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  3. #3
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    The sae 90 part it ok but the gl4 is what I can't seem to find. Is it ok to use gl5?

  4. #4
    Senior Member alrman's Avatar
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    Apparently the GL5 does not agree with yellow metal (brass synchro rings) in transmission/ transaxle assemblies. So try to find GL4.
    To steal ideas from one person is plagiarism. To steal from many is research

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