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Thread: 73 R75/5 Oil Plug

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  1. #1
    Registered User
    Join Date
    Apr 2012
    Pulaski VA

    73 R75/5 Oil Plug

    Is the engine oil drain plug on this model M18x1.5x12 or M14 1.5x12? Trans and final drive should be M 14x1.5x12, correct? Just a bit confused as I ordered new drain plugs and all three that were sent are M14x1.5x12. I am also going to use Rotella 15W40 oil in the crankcase. Any of you learned hedz have an issue with that and why? Also any brand recommendations for 80/90 hypoid gear oil in the trans and final drive. Sorry, not trying to start another oil thread, just seeking suggestions!
    Last edited by kjmcd13; 08-24-2013 at 07:14 PM. Reason: more info

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