Kubota UDT or SUDT vs Mystik JT5

   / Kubota UDT or SUDT vs Mystik JT5 #21  
On this Forum was posted ;

UDT is 20w UTTO
SUDT is 10w/20
JD HyGARD is 10w/30

Changing from UDT to JD ( can't get SUDT here ) was very
noticeable increase in rpms at cold and hot (6% ish up ).
20w is too viscous for small fast pumps , hence both Companies
produce a lower visc for their smaller machines.
 
   / Kubota UDT or SUDT vs Mystik JT5 #22  
Seems like this is mainly an I had a proble with JT-5 in my BX thread. I put 7.5 gallons of JT-5 in my B21 yesterday. Everything works fine afterward. In fact it seems better than before. I will report back next time it gets used heavily. But in yesterdays testing the hydrualics seemed stronger and it was quieter.
 
   / Kubota UDT or SUDT vs Mystik JT5 #23  
As for wondering why they are "upping there (sic) SUDT"...well nothing wrong with product improvement- otherwise they'd still be only selling the first tractor they ever made:p

FYI... the updated fluid is a synthetic.
 
   / Kubota UDT or SUDT vs Mystik JT5 #24  
FYI... the updated fluid is a synthetic.

But, example, is Amsoil had a true synthetic years ago at a cheaper price...I guess it depends on how you define a "synthetic"....Most people will not know..

For me, if their newer oil is better and cheaper, their older fluid was over- priced to start with.

Reminder me, I need to order some stuff, again, from Messicks...Love that place...
 
   / Kubota UDT or SUDT vs Mystik JT5 #25  
After additional use the JT-5 is working great in my B21. After changing the filters and fluid the hydraulics are stronger than before and the transmission is quieter.

My local Kubota dealer laughed when I asked about SUDT. They said they did not have enough in stock and that if I realy wanted to waste my money I could buy the Super SUDT that was coming out soon. So I bought the filters from them and decided to try JT-5 as it should be better than UDT.
 
   / Kubota UDT or SUDT vs Mystik JT5 #26  
Today I drove a mile on the road in high gear then spent 3 hours pushing dirt. Still very happy with the JT-5.
 
   / Kubota UDT or SUDT vs Mystik JT5 #27  
My vote is for Sure Guard Premium Universal Hydraulic Fluid from Smitty's. :laughing:
 

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