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#4804372 - 07/03/18 07:24 PM Kubota UDT, Super UDT (obsolete?) or Super UDT2?
379KITTY Offline


Registered: 12/14/16
Posts: 44
Loc: Soonerville
Any advice appreciated. Bought a Kubota L2800 HST 2010 model new in 2011. Finally hit the 50 hr service mark - oil change, hydraulic oil change and front diff lube change including filters. Did the engine oil last yr at 40ish hrs - used Delvac 5w-40 and Kubota filter. For hydraulic oil I can't get/find a clear answer as to what is best. This is a barn queen my kids will likely inherit, so a little more $$ on better fluid is fine, as it will be in there awhile. Dealer (as of last year) ONLY stocked UDT, when asked about Super UDT said "not needed - we don't stock" and "only need to change the filter at 50 hrs - not the fluid". This doesn't coincide with owner's manual, which also lists UDT and Super UDT as appropriate.

My question is this: From what I can find online, Super UDT is obsolete and superceded by Super UDT2. Which leaves the only avail per owner's manual as UDT. Also read that Super UDT2 is synthetic/lowerviscosity/superior. Not sure if any or all is correct.

Certainly willing to get the UDT2, but for the $150 or so cost I'd like to be sure it is correct spec for older 2010 L-series machine. I think it was created for the high RPM BX series.
_________________________
79 Broncos-3
77 Vette
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75 Torino
77 F150 SB 4x4
96 Chevy Z71 SB EC
95 GMC Z71 SB EC
02 GMC Safari
05 Chevy Cobalt
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11 Equinox
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#4804729 - 07/04/18 08:09 AM Re: Kubota UDT, Super UDT (obsolete?) or Super UDT2? [Re: 379KITTY]
Langanobob Offline


Registered: 04/24/09
Posts: 212
Loc: Reno, Nevada
Check in at tractorbynet.com, there are plenty of Kubota trans fluid discussions there. I donít have a Kubota but I have the impression that the latest and greatest synthetic SUDT2 or whatever itís called is definitely the way to go if you operate in very cold conditions or severe service. Canít imagine that itís not suitable for your 2010 tractor but you can confirm it at tractorbynet.


Edited by Langanobob (07/04/18 08:12 AM)

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#4805237 - 07/04/18 05:55 PM Re: Kubota UDT, Super UDT (obsolete?) or Super UDT2? [Re: 379KITTY]
doitmyself Offline


Registered: 06/03/02
Posts: 6269
Loc: MI
Tough decision. Opinions are all over the place. The crew at orangetractortalks forum seem to be all goo goo eyed and in love with the Super UDT2 fluid, even for L series tractors. As already stated, if you are in a cold climate, the choice for the UDT2 is easily supported. Maybe see if you can get in touch with a knowledgeable person at the huge Pennsylvania based Messicks and see what their opinion is. They might have some compelling evidence to sway you towards the UDT2.

Good Luck!!!

EDIT: 50 hours in 7 years is remarkably low usage. I put a very low 100 hours/year on my workplace tractors and I adjust my maintenance schedules to consider both hours and time. I find that in my climate, after about 6 years or so I begin to see a bit of moisture in my UTF's. John Deere recommends 1200 hour UTF changes on our bigger tractors. I change them around 600 hours.

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#4805552 - 07/05/18 08:54 AM Re: Kubota UDT, Super UDT (obsolete?) or Super UDT2? [Re: 379KITTY]
philipsearcy Offline


Registered: 07/22/04
Posts: 98
Loc: Indianapolis, Indiana
Per Kubota's website, Super UDT2 is 'ēFully interchangeable with standard UDT and Super UDT fluids'. So Kubota now recommends that you use UDT or Super UDT2 in your L2800 HST 2010/2011. There is no truth about Super UDT2 being created for the BX. Philip.

https://www.kubotausa.com/parts/kubota-parts-products/lubricants
_________________________
'03 Mercury Sable, '04 F250SD 5.4, '08 Honda Fit 1.5, '13 Honda Pilot, '50 Ford 8N tractor, '09 Kubota L3940 Tractor, '13 Kubota GR2120 Tractor

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#4806077 - 07/05/18 05:46 PM Re: Kubota UDT, Super UDT (obsolete?) or Super UDT2? [Re: 379KITTY]
379KITTY Offline


Registered: 12/14/16
Posts: 44
Loc: Soonerville
Thanks for all the replys. I think the SuperUDT2 is what I will go with - appreciate the info.
_________________________
79 Broncos-3
77 Vette
72 Cheyenne Super
75 Torino
77 F150 SB 4x4
96 Chevy Z71 SB EC
95 GMC Z71 SB EC
02 GMC Safari
05 Chevy Cobalt
92 F250 4x4
05 Roush F150
11 Equinox
96 Pete 379
Fountain twin 502's

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