Mixing UDT fluid

Mudball

Active member

Equipment
L2501 HST 4WD
Aug 3, 2015
526
25
28
TN
I have a new L2501 so Im not sure if it came with UDT2 or Super UDT, but my question is can I top off (mix) the standard (Kubota brand) UDT hydraulic fluid with whatever came in my new unit ?
 

Mudball

Active member

Equipment
L2501 HST 4WD
Aug 3, 2015
526
25
28
TN
Well Ive done some more research and I believe my new tractor currently has the Super UDT and it will not hurt to add regular UDT.
 
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North Idaho Wolfman

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L3450DT-GST, Woods FEL, B7100 HSD, FEL, 60" SB, 743 Bobcat with V2203, and more
Jun 9, 2013
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It won't hurt it to mix the two, but if you notice it start getting nosier, especially with the dropping temps not be alarmed as it's normal.

I would suggest you stick with SUDT2 on the next fluid change.
 
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RCW

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BX2360, FEL, MMM, BX2750D snowblower. 1953 Minneapolis Moline ZAU
Apr 28, 2013
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If your new tractor is anything like my BX2360, when I did do the first change of hydraulic fluid, it got much quieter.
Like Wolfman said, they can be pretty noisy at first......


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lugbolt

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ZG127S-54
Oct 15, 2015
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They all come prefilled with super UDT2 if in the USA. I do not know how the non USA tractors are done.

Mixing isn't much problem-unless you live in extreme cold climates or extreme hot climates. Then it can cause some noise-and sometimes some weird operation if the temp is extreme enough. RTV's especially-they should never use anything but super UDT2-and especially the RTV500!
 

Mudball

Active member

Equipment
L2501 HST 4WD
Aug 3, 2015
526
25
28
TN
Thanks for all the help and replies.
I will add as needed for now.
And then I will use Super when it comes time to change.