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  1. #1
    Platinum Member
    Join Date
    Jan 2007
    Posts
    626
    Location
    Creal Springs, IL
    Tractor
    Kubota M7040, ZD326, JD Gator 855D

    Default What hydraulic oil do you use?

    I want to replace the hydraulic oil in a recently purchased M7040.
    The local kubota dealer quoted me $99.99 for 5 gal Kubota UDT. THAT ain't going to happen.

    Checking around, price varies a great deal....and I they don't give you the details of what the label says and whether it's up to UDT specs. The other specs vary as to the type of spec it is, making it difficult to compare brands.

    SO....what's everyone using. This tractor btw does not require or need SUDT.

  2. #2
    Veteran Member wmonroe's Avatar
    Join Date
    Nov 2005
    Posts
    2,459
    Location
    Southwestern, PA
    Tractor
    1958 Ford 961 Powermaster

    Default

    Do they recommend UDT or SUDT? If the recommendation is SUDT then I would stick with that as I'm not sure of other cheaper fluids that meet that spec, my 5240 uses SUDT.
    Kubota L5240 with loader and backhoe

    1958 Ford 961 Powermaster LP

  3. #3
    Super Star Member murphy1244's Avatar
    Join Date
    Nov 2011
    Posts
    17,253
    Location
    Ohio
    Tractor
    Kioti DK-40, MF-135, Ventrac 4500Y

    Default Re: What hydraulic oil do you use?

    Quote Originally Posted by wmonroe View Post
    Do they recommend UDT or SUDT? If the recommendation is SUDT then I would stick with that as I'm not sure of other cheaper fluids that meet that spec, my 5240 uses SUDT.
    What is the spec?
    Murph ------------

  4. #4
    Super Member
    Join Date
    Dec 2003
    Posts
    5,415
    Location
    NC
    Tractor
    Kubota Grand L3830

    Default Re: What hydraulic oil do you use?

    Quote Originally Posted by murphy1244 View Post
    What is the spec?
    kubota Super UDT Specs.


    TYPICAL PROPERTIES
    Super UDT Fluid
    Specific Gravity @ -15.6
    0.877
    Viscosity @ 25 C, cSt
    84.00
    Viscosity @ 100 C, cSt
    9.00
    Viscosity @ 40 C, cSt
    45.0
    Viscosity Index
    192
    Pour Point, C max
    -46
    Zinc, wt.%
    0.17
    Product
    Part Number
    Container
    Super UDT Fluid
    70000-40100
    12/1 Quart

    70000-40101
    4/1 Gallon

    70000-40102
    2/2.5 Gallon

    70000-40105
    5 Gallon Pail

    70000-40155
    55 Gallon Drum

  5. #5
    Platinum Member
    Join Date
    Jan 2007
    Posts
    626
    Location
    Creal Springs, IL
    Tractor
    Kubota M7040, ZD326, JD Gator 855D

    Default Re: What hydraulic oil do you use?

    They recommend either UDT or SUDT. But a little checking, you use SUDT in the HST machines, and the gear ones like I have use UDT.

    Because of the cost of UDT at the dealer, I need something UDT comparable. That's the problem they don't tell you online....have to go to the store and read the labels. That takes gas/time etc. That's why the post.

    I'll ask another way.

    What hydraulic oil do you use that is kubota UDT compatible, instead of the expensive stuff at the dealer.

  6. #6
    Super Star Member murphy1244's Avatar
    Join Date
    Nov 2011
    Posts
    17,253
    Location
    Ohio
    Tractor
    Kioti DK-40, MF-135, Ventrac 4500Y

    Default Re: What hydraulic oil do you use?

    Quote Originally Posted by Gator6x4 View Post
    kubota Super UDT Specs.


    TYPICAL
    Super UDT Fluid
    Specific Gravity @ -15.6
    0.877
    Viscosity @ 25 C, cSt
    84.00
    Viscosity @ 100 C, cSt
    9.00
    Viscosity @ 40 C, cSt
    45.0
    Viscosity Index
    192
    Pour Point, C max
    -46
    Zinc, wt.%
    0.17
    Product
    Part Number
    Container
    Super UDT Fluid
    70000-40100
    12/1 Quart

    70000-40101
    4/1 Gallon

    70000-40102
    2/2.5 Gallon

    70000-40105
    5 Gallon Pail

    70000-40155
    55 Gallon Drum
    These are PROPERTIES not specs. I guess the easier way would be to match MSDS specs.
    Murph ------------

  7. #7
    Platinum Member sd455dan's Avatar
    Join Date
    Oct 2012
    Posts
    991
    Location
    North Idaho
    Tractor
    Ford 3000-Rhino 554,Co-Op ,Honda ,Gilson riding mowers

    Default Re: What hydraulic oil do you use?

    Looks like Mobilefluid 424 might work
    Mobilfluid 424 meets or exceeds the requirements of the following industry and builder specifications:
    kubota UDT X


    strange- this fluid is not recommended for hypoid gear use

    Also found that JD HY-Gard is also listed as a service rated oil for UDT and SUDT probably more $$ than the Kubota oil

    I have been using this O reillys Premium tractor (74209) 5 gallon fluid @$53. for my Ford and Rhino and it also lists the Kubota UDT -mowing-oreilys-oil-015-jpg -mowing-oreilys-oil-013-jpg not going to pass the SUDT requirements though
    Last edited by sd455dan; 11-05-2013 at 05:56 AM.

  8. #8
    Silver Member
    Join Date
    Jun 2011
    Posts
    188
    Location
    Manitoba, Canada / Minnesota, USA ( I straddle the border)
    Tractor
    '12 Kubota B2620, fel,mmm,bh,bb

    Default Re: What hydraulic oil do you use?

    tractor supply at $40 / 5 gal has this that they say is UDT compatible in kubota tractors
    Traveller® Universal Tractor Trans/Hydraulic Fluid, 5 gal. - Tractor Supply Co.

    would require the all to common leap of faith though that you believe all marketing material / all info posted on the inter-web. (lol)

    I use it in my B2620 for snow blowing and at -20 it is still easily pourable. Seems to cause no trouble in my Kubota with no HST wine or problems that I can tell. And at the price changing out every few 100 hours is not a pain on the pocketbook.

  9. #9
    Elite Member coobie's Avatar
    Join Date
    Sep 2004
    Posts
    2,670
    Location
    S.Michigan
    Tractor
    Kubota RTV 900, JD 740,Kioti DK 40 with KL401 loader .

    Default Re: What hydraulic oil do you use?

    Quote Originally Posted by jcummins View Post
    I want to replace the hydraulic oil in a recently purchased M7040.
    The local kubota dealer quoted me $99.99 for 5 gal Kubota UDT. THAT ain't going to happen.

    Checking around, price varies a great deal....and I they don't give you the details of what the label says and whether it's up to UDT specs. The other specs vary as to the type of spec it is, making it difficult to compare brands.

    SO....what's everyone using. This tractor btw does not require or need SUDT.
    Just my take,I live in a cold climate and use Super UDT in my Kubota RTV 900.I know it,s expensive but IMHO if you live where it,s cold climate the Super UDT is worth it.
    Kioti DK40se hst cab with KL401 loader,Kubota RTV 900,John deere X740,Kioti 73 inch tiller.Ingersoll 4020 3pt,troy bilt tiller,Billy goat brush cutter.

  10. #10
    Super Star Member LD1's Avatar
    Join Date
    Apr 2008
    Posts
    10,650
    Location
    Central Ohio
    Tractor
    Kubota l3400

    Default Re: What hydraulic oil do you use?

    I use the traveller stuff at tsc. Universal tractor transmission fluid. Meets kubota UDT specs.
    ".........there is only one way to find out."
    "Ok, hold my beer and watch this.........."


    Ford 5500 Backhoe
    Kubota L3400GST W/LA463 FEL
    2005 Dodge 3500 4x4 Diesel
    8N Rebuilt and restored
    Bushhog 306
    3 Homemade wood hauling trailers
    Dolmar 6400 84cc ported
    Sachs-Dolmar 120SI Ported
    (4) Sachs-Dolmar 116SI Ported
    Dolmar PS540
    Sachs-Dolmar 115i
    Sachs-Dolmar 117
    Sachs-Dolmar 112

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