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  1. #1

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    Question oil type recomended for my kohler 18 hp magnum

    looking for suggesting on oil type & brand for my kohler engine & oil filter.it is one of the older kohler engines. thanks for your help

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  3. #2


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    Re: oil type recomended for my kohler 18 hp magnum

    Quote Originally Posted by garnder View Post
    looking for suggesting on oil type & brand for my kohler engine & oil filter.it is one of the older kohler engines. thanks for your help
    This might help: http://www.kohlerengines.com/onlinec.../52_590_02.pdf. Is this the engine you have??
    Here is a snapshot of the manual and what you are looking for (if it is the correct engine):
    kohler engine.jpg
    Good luck!
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  4. #3

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    Re: oil type recomended for my kohler 18 hp magnum

    Quote Originally Posted by garnder View Post
    looking for suggesting on oil type & brand for my kohler engine & oil filter.
    You will find it Very Hard to beat a Good Synthetic Diesel rated engine oil in Any engine!
    Among the Best is Rotella T6...
    & Wix filters are among the Best...
    KennyV

  5. #4

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    Re: oil type recomended for my kohler 18 hp magnum

    Hi

    Is this a gas or diesel engine and what temp do you use this engine in depends on oil weight for the temp you use it. I think i would go with what kohler advises to use for this engine. And welcome aboard :

  6. #5


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    Re: oil type recomended for my kohler 18 hp magnum

    Quote Originally Posted by noma View Post
    Hi

    Is this a gas or diesel engine and what temp do you use this engine in depends on oil weight for the temp you use it. I think i would go with what kohler advises to use for this engine. And welcome aboard :
    It's a gas engine and according to Kohler they are a Retired model. Kohler recommends a high quality detergent oil, a straight 30 weight, SG.SH.SJ or higher and 10w30 is not recommended above 32 degrees F. and should be changed every 50 hrs w/filter. If you use the 10w30 Kohler recommends change interval of 25hrs.


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  7. #6

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    Re: oil type recomended for my kohler 18 hp magnum

    It is an air cooled gasoline engine... and if you bother to check out engine oils... You will discover the reason I recommend Diesel rated synthetic engine oil...
    ... OP's post, "looking for suggesting on oil type & brand"
    KennyV

  8. #7
    Carscw's Avatar
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    I agree with Kenny I use t6 in everything and wix fitters on everything but my my race mower with a 20hp Briggs I use a napa gold only because I get them for free.

    Sent from my iPhone using LMF

  9. #8

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    Re: oil type recomended for my kohler 18 hp magnum

    thanks for the welcome; i will use the t6 & wix filter sounds like a good product

  10. #9


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    Re: oil type recomended for my kohler 18 hp magnum

    Quote Originally Posted by garnder View Post
    thanks for the welcome; i will use the t6 & wix filter sounds like a good product
    I think if you do what the manual says and change the oil every 50 hours as recommended T6 is a waste of money. Regardless if you use the T6 or a high quality detergent, straight 30 weight oil at fifty hours it's dirty and needs to be changed and to that end IMO the T6 is not cost effective.


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  11. #10

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    Re: oil type recomended for my kohler 18 hp magnum

    will this t6 hold up under high heat ? I cut grass several times this summer in a 100 + temp which makes the engine run even hotter. not much choice when it is that hot every day

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