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  1. #11
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    This is sudt2 after warm up.
    Attached Thumbnails Attached Thumbnails UDT vs SUDT vs SUDT2?-image-4238662323-jpg  
    2012 rtv1100
    2008 M59
    2003 Massey 4345 cab

  2. #12
    Veteran Member oldballs's Avatar
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    Kubota B2620 , Case 448

    Default Re: UDT vs SUDT vs SUDT2?

    Quote Originally Posted by Hersheyfarm View Post
    This is sudt2 after warm up.
    So, what does this suggest???.....,maybe an air emulsion, maybe contamination. It appears to have a clear area at the bottom and the top. I'm just learning.
    Kubota B2620 HST (2012) Case 448(1983)

  3. #13
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    This is after sitting a half hour.


    Another member checked his on the same kind of machine and it was identical. This could be the norm for fluids, I would like to see more samples from others to know.
    Attached Thumbnails Attached Thumbnails UDT vs SUDT vs SUDT2?-image-3791408506-jpg  
    2012 rtv1100
    2008 M59
    2003 Massey 4345 cab

  4. #14
    Platinum Member nspec's Avatar
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    Southern Rhode Island
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    Kubota B2630, '53 Farmall Super H, '47 Farmall AI, '44 Farmall A

    Default Re: UDT vs SUDT vs SUDT2?

    That first thread is shows super aerated oil - you can see all the bubbles. What kind of tractor was this from? Was it overheated? How was the oil drained? Perhaps tractor has a pump that is cavitating or sucking air in the system somewhere?

    That's not normal, and not at all representative of my results with SUDT2. I made the switch because I was really just curious - it was an inexpensive upgrade over a normal oil change. I'm a skeptic by nature and didn't expect any noticeable difference. The results I got where shocking. VERY noticeable decrease in hydro noise and much smoother operation. My oil is smooth, clear, and clean like vegetable oil.

  5. #15
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    Default Re: UDT vs SUDT vs SUDT2?

    kubota fluid (SUD/UDT etc) is over pimped... I use Amsoil and way better and cheaper.
    "In God we trust; all others must bring data"
    -Edwards Deming

  6. #16
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    Default Re: UDT vs SUDT vs SUDT2?

    Quote Originally Posted by nspec View Post
    That first thread is shows super aerated oil - you can see all the bubbles. What kind of tractor was this from? Was it overheated? How was the oil drained? Perhaps tractor has a pump that is cavitating or sucking air in the system somewhere?

    That's not normal, and not at all representative of my results with SUDT2. I made the switch because I was really just curious - it was an inexpensive upgrade over a normal oil change. I'm a skeptic by nature and didn't expect any noticeable difference. The results I got where shocking. VERY noticeable decrease in hydro noise and much smoother operation. My oil is smooth, clear, and clean like vegetable oil.
    the tractor is an M59, the oil is new and the tractor has been checked by kubota to the nth degree. You can see it here if you search 'm59 hydraulics got slow and weak'.

    the oil was extracted from the fill hole with a syrenge after warm up. It clears up pretty quickly. Another member here checked his m59 the same way with identicle reults. Different fluid tho.
    2012 rtv1100
    2008 M59
    2003 Massey 4345 cab

  7. #17
    Veteran Member PHILIP8N's Avatar
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    Indianapolis
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    Kubota L3940 Kubota GR2120 Ford 8N Ford 6000

    Default Re: UDT vs SUDT vs SUDT2?

    Looks like water emulsion to me. From water getting in oil case, and not enought time at full operating temp to burn off moisture. Lots of intermittent use, during cool down, breathes humidity back in. Can you see this on the dip stick too? Philip.
    Kubota L3940HST-1 2009
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  8. #18
    Elite Member dex3361's Avatar
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    N. of Charleston WV
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    Kubota L4400-1 HST,FEL, 3x3 remotes, TNT. BX1500 54 mmm

    Default Re: UDT vs SUDT vs SUDT2?

    Quote Originally Posted by sw03 View Post
    kubota fluid (SUD/UDT etc) is over pimped... I use Amsoil and way better and cheaper.
    I compared Amsoil 0-30 synthetic tractor hydraulic oil and it was right at $184.00 for 5 gallons.
    Kubota SUD2 was $107. Am I missing something here.
    Randall



    1Timothy Chapter 2:
    3 For this is good and acceptable in the sight of God our Saviour;
    4 Who will have all men to be saved, and to come unto the knowledge of the truth.
    5 For there is one God, and one mediator between God and men, the man Christ Jesus.
    From: The HOLY BIBLE

  9. #19
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    Default Re: UDT vs SUDT vs SUDT2?

    Quote Originally Posted by PHILIP8N View Post
    Looks like water emulsion to me. From water getting in oil case, and not enought time at full operating temp to burn off moisture. Lots of intermittent use, during cool down, breathes humidity back in. Can you see this on the dip stick too? Philip.
    I use it hours at a time digging sewers, heats up plenty good. Not really noticeable on the dipstick, I found this when I was catching fluid for the first 50 hr filter change.
    2012 rtv1100
    2008 M59
    2003 Massey 4345 cab

  10. #20
    Platinum Member nspec's Avatar
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    Kubota B2630, '53 Farmall Super H, '47 Farmall AI, '44 Farmall A

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    One more thought.... Is it possible the fluid level is too high? Overfilling can cause frothing or foaming of the fluid. There is definitely air being introduced somehow to cause all of the bubbles in that picture.

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