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  1. #1
    Bronze Member Lebneh's Avatar
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    Sep 2011
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    68
    Location
    North East
    Tractor
    John Deere 3720

    Default

    This is in reference to a JD CTL 323D.

    Does it make sense that the hydraulic oil would be the same as the engine oil? Two places in the manual list the same oil for both. When I called to order some fluids for maintenance the service rep didn't bat an eye when I said it was the same for both.


    I guess I would just like someone to tell me, listen you noob that's how it works in big boy machines.
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    Last edited by Lebneh; 08-13-2012 at 11:57 PM.
    ~Lebneh

  2. #2
    Gold Member uglyboywith11fingers's Avatar
    Join Date
    Sep 2011
    Posts
    387
    Location
    Georgetown, Ontario
    Tractor
    2007 BX24TLB, 1998 TG1860G

    Default Re: Same oil for engine and hydraulic

    not the same class of machine... but kubota calls for 10W30 motor oil in the hydrostatic transmission of my TG1860G garden tractor.
    And it's still going strong after 14 years.

    Pete

  3. #3
    Gold Member imgone52's Avatar
    Join Date
    Dec 2011
    Posts
    306
    Location
    Tompkins County, New York
    Tractor
    Cub Cadet Yanmar SC2400

    Default Re: Same oil for engine and hydraulic

    At the state park we operate two Toro Hydros that use motor oil in the transmissions.
    CCY SC2400, FEL, MMM, WB, Chore tote, Broadcast Spreader

  4. #4
    Elite Member
    Join Date
    Feb 2002
    Posts
    4,000
    Location
    western,pa.
    Tractor
    Kioti DK 35

    Default Re: Same oil for engine and hydraulic

    The Case skid loaders at work use motor oil for the hydraulics.
    Vince,
    Kioti DK 35
    Hustler Super Z

  5. #5
    Super Member RickB's Avatar
    Join Date
    Sep 2000
    Posts
    7,624
    Location
    Eastern NY
    Tractor
    Case 885, Ford 4000

    Default Re: Same oil for engine and hydraulic

    Quote Originally Posted by DK35vince View Post
    The Case skid loaders at work use motor oil for the hydraulics.
    As do about 20 years worth of New Holland SSL's.
    We have too much gun control.
    What we need is more idiot control.

  6. #6
    Elite Member
    Join Date
    Oct 2006
    Posts
    3,774
    Location
    Ohio
    Tractor
    GC2310,

    Default Re: Same oil for engine and hydraulic

    So does my dad's Landpride ZT60 mower.

    But, I could not see using SAE 30 motor oil in the drives when we changed it, seeing that hydraulic oil costs less.

  7. #7
    Elite Member
    Join Date
    Feb 2002
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    4,000
    Location
    western,pa.
    Tractor
    Kioti DK 35

    Default Re: Same oil for engine and hydraulic

    Quote Originally Posted by ray66v View Post
    So does my dad's Landpride ZT60 mower.

    But, I could not see using SAE 30 motor oil in the drives when we changed it, seeing that hydraulic oil costs less.
    If it calls for 30WT oil thats what I would use.
    Its not cheaper using hydraulic oil if it thins out to much when hot and damages the pumps or drive motors. (My opinion.)
    Vince,
    Kioti DK 35
    Hustler Super Z

  8. #8
    Elite Member
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    Oct 2006
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    3,774
    Location
    Ohio
    Tractor
    GC2310,

    Default Re: Same oil for engine and hydraulic

    Quote Originally Posted by DK35vince View Post
    Its not cheaper using hydraulic oil if it thins out to much when hot and damages the pumps or drive motors. (My opinion.)
    Be my guest, and succumb to your paranoia.

    I checked first, and they said

    The unit actually runs cooler with the hydraulic trans oil.

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