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  1. #1

    Join Date
    Mar 2002
    Posts
    60
    Location
    West Virginia
    Tractor
    NH TC35D

    Default Castrol GTX ok for NH 35D?

    I have been using Castrol GTX 10w30 in my NH TC 35D. I have been told be a NH rep to use only NH oil. I change oil and NH filter every 50 hours. I am wondering if there is more than just a price difference in the oil. If there is a significant difference, is there something available from the autoparts store, as my NH dealer is about an hour away. Thanks ahead of time for any response.

  2. #2
    Super Star Member
    Join Date
    Apr 2001
    Posts
    11,994
    Location
    PA
    Tractor
    NH TC25D

    Default Re: Castrol GTX ok for NH 35D?

    You can use any oil that's diesel rated and of the right viscosity for the temps in your area.

  3. #3
    Bronze Member
    Join Date
    Feb 2002
    Posts
    57

    Default Re: Castrol GTX ok for NH 35D?

    I don't think GTX is rated for a diesel. THat would be a c? rating. Look on your container and it will tell you for sure.
    GregH

  4. #4
    Veteran Member
    Join Date
    Feb 2001
    Posts
    1,447
    Location
    South-central Michigan
    Tractor
    New Holland TC40D

    Default Re: Castrol GTX ok for NH 35D?

    Jim, you do not have to use a NH oil. But as others say, it must be rated CD or CF, or whatever NH says in the manual. I think the GTX is rated something like SJ which means it's only certified for use in non-diesel engines. Many say the S stands for spark ignition and the C for compression. Not sure if this is exactly right but it's a great way to remember it. I switched to synthetic and syn-blends years ago because they carry the diesel certification for the mulitgrade oil. I may now make the switch to the new Shell Rotella T multigrade synthetic.

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