Interesting dealer opinion on SUDT vs UDT

9915 Views 22 Replies 12 Participants Last post by T126, Aug 31, 2009

phyxer

Discussion Starter · Jul 13, 2009

I have a B2620 I purchased new this spring. I went to my dealer this weekend and bought everything to do the 50 hour service myself. I asked my dealer which hydraulic fluid to put back in and he said UDT would be fine. In fact, they don't carry the SUDT. He said that nobody buys it and they haven't had any reason to believe that the SUDT does anything the UDT doesn't. We live in SW Oklahoma where it is 100+ degrees all summer long and it seldom drops below freezing for longer than a day or two. So my B2620 which according to the manual came from the factory with SUDT will be getting it's fluid replaced with plain ole UDT fluid. Just wanted to pass along what I was told. If anyone thinks my dealer is way off base, please feel free substantiate your claims. Thanks in advance.

:thanku:

Troy

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Kenneth H

· #2 · Jul 13, 2009

Well, my dealer stocks both. He generally believes in using what Kubota says use.

NOW, with my older tractor that has a geared transmission, even though the manual says use SUDT, my dealer said don't spend the extra money and I put in UDT.

With my BX, there is no question....use SUDT.

Volfandt

· #3 · Jul 13, 2009

It won't do any irrepairable damage and may not even effect the performance either.
Theres been some that have posted about how SUDT had quieted down their HST's whines after they had run UDT. Theres also been some that have posted that they hadn't noticed any difference.
Since SUDT is a multi grade and UDT is a straight grade it's understandable that the SUDT should flow better in extreme cold, course theres the argument some have used that the UDT ran cooler in extreme heat.

In any case, if performance seems to be worse, i.e. whines louder, slower hydraulics, then you can swap back to SUDT at the next scheduled maintenance. If you don't notice any difference your dealer must have known what he's talking about

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warcloud

· #4 · Jul 14, 2009

MY manual on my 2360 says to only use SUTD . I would check your owners manual.

Water boy

· #5 · Jul 14, 2009

phyxer said:
I have a B2620 I purchased new this spring. I went to my dealer this weekend and bought everything to do the 50 hour service myself. I asked my dealer which hydraulic fluid to put back in and he said UDT would be fine. In fact, they don't carry the SUDT. He said that nobody buys it and they haven't had any reason to believe that the SUDT does anything the UDT doesn't. We live in SW Oklahoma where it is 100+ degrees all summer long and it seldom drops below freezing for longer than a day or two. So my B2620 which according to the manual came from the factory with SUDT will be getting it's fluid replaced with plain ole UDT fluid. Just wanted to pass along what I was told. If anyone thinks my dealer is way off base, please feel free substantiate your claims. Thanks in advance.

:thanku:

Troy

I will be coming up on my 50 hours on my B2320. If you don't mind my asking, what did everything you need for the 50 hours service cost?

WB

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phyxer

Discussion Starter · #6 · Jul 14, 2009 (Edited)

Water boy said:
I will be coming up on my 50 hours on my B2320. If you don't mind my asking, what did everything you need for the 50 hours service cost?

WB

The total for everything EXCEPT the oil (I'll be putting Rotella T 15w40 in it) and including the outer air filter was $155.14 The outer air filter is not required for the 50 hour service, I just wanted a spare on hand. Here is a link to Messick's page for my tractor and my dealer charged me the exact same prices to the penny http://www.messicks.com/TractorParts/Kubota/B2620.aspx
And here is a link for your specific tractor parts http://www.messicks.com/TractorParts/Kubota/B2320.aspx

Just want to add to my original post that the manual for the B2x20 series states that they come from the factory with SUDT in them but both SUDT and UDT are spec'd for use in them hence my decision to refill with the UDT.

:thThumbsU

Troy

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CHDinCT

· #7 · Jul 14, 2009

Well I just did my 50 hour service last weekend on my BX and went with SUDT. Probably cost me and extra $40 bucks give or take. Total cost for parts and oil was around $135. That included two fuel filters to have on hand just in case. My research is the same as Volfandt's - SUDT is more critical in colder climates. Being in OK, you'll probably be fine with UDT, but like said, if you have any issues, you can switch it back to SUDT.

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BlownL67

· #8 · Jul 14, 2009

After alot of reading, I decided to purchase SUDT for my non HST 7200. Another local place told me the SUDT was a waste for my geared tractor and to stick with a normal UDT. Temps get pretty **** cold here in the winter but I'm not sure SUDT will even make a difference on my early 7200. Thoughts, opinions ?

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TPS

· #9 · Jul 14, 2009

I would like to know if anyone has tried this Chevron All Weather Synthetic THF? It is the only one I have seen that meets SUDT specs. I have read about it on this forum before but do not recall anyone trying it, It does look good thoough and is full synthetic where SUDT I understand is not. Take care-TPS

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Water boy

· #10 · Jul 15, 2009

phyxer said:
The total for everything EXCEPT the oil (I'll be putting Rotella T 15w40 in it) and including the outer air filter was $155.14 The outer air filter is not required for the 50 hour service, I just wanted a spare on hand. Here is a link to Messick's page for my tractor and my dealer charged me the exact same prices to the penny http://www.messicks.com/TractorParts/Kubota/B2620.aspx
And here is a link for your specific tractor parts http://www.messicks.com/TractorParts/Kubota/B2320.aspx

Just want to add to my original post that the manual for the B2x20 series states that they come from the factory with SUDT in them but both SUDT and UDT are spec'd for use in them hence my decision to refill with the UDT.

:thThumbsU

Troy

Thanks for the info!!:thThumbsU

WB

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underdawg

· #11 · Jul 15, 2009

TPS said:
I would like to know if anyone has tried this Chevron All Weather Synthetic THF? It is the only one I have seen that meets SUDT specs. I have read about it on this forum before but do not recall anyone trying it, It does look good thoough and is full synthetic where SUDT I understand is not. Take care-TPS

That's what I'm using, my cousin can get it at a good price and I have no complaints.

Ted

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colemanequip

· #12 · Jul 15, 2009

I have seen the data from Kubota about how Super UDT flows in all temperatures, and I think they originally did a very poor job with the packaging of this product (snowflakes on the label). The Super UDT will flow better in colder and hotter temperatures, and is required on machines that create a lot of heat in the transmission, such as, the BXs. The Super UDT will actually lubricate components better from start up without having to warm up like the standard UDT.

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Volfandt

· #13 · Jul 15, 2009

TPS said:
I would like to know if anyone has tried this Chevron All Weather Synthetic THF? It is the only one I have seen that meets SUDT specs. I have read about it on this forum before but do not recall anyone trying it, It does look good thoough and is full synthetic where SUDT I understand is not. Take care-TPS

I have seen several folks on this and other forums that have posted very good reports on using the Chevron Syn. I don't recall their monikers but one fellow claimed it corrected an intermittent steering problem.
The spec's are better in every category over SUDT but I understand they're pretty proud of it

I've yet to see any negative posts on it but thats not to say that there isn't any, I've just not seen any.

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Volfandt

· #14 · Jul 15, 2009

colemanequip said:
I have seen the data from Kubota about how Super UDT flows in all temperatures, and I think they originally did a very poor job with the packaging of this product (snowflakes on the label). The Super UDT will flow better in colder and hotter temperatures, and is required on machines that create a lot of heat in the transmission, such as, the BXs. The Super UDT will actually lubricate components better from start up without having to warm up like the standard UDT.

I've run my BX23 pretty hard and long in 90+ degree temps and haven't had any overheating problems thus far w/SUDT (knock on wood).
I can tell when it's heating up pretty good as I can smell it venting

Wonder why Kubota has an indicator in the BX's dash with a wiring harness connection al the way back to the HST and not use it in the N. American market?

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TPS

· #15 · Jul 15, 2009

underdawg,
Thanks for letting me know, you are the only one I know that has actually used it. It does look good on paper!! I am going to go to it when I service again, I also like that it is an orange color so will be easier to check for leaks etc.
volfandt,
thanks again for the input, I too use my machine hard in hot weather and I have noticed the smell when it gets good and hot, but have not had any problems and the fluid is still clear and does not smell burnt. By the way, they couldn't be a whole lot prouder than Kubota is for SUDT are they?
take care and thanks for the input-tps

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CHDinCT

· #16 · Jul 16, 2009

TPS said:
underdawg,
Thanks for letting me know, you are the only one I know that has actually used it. It does look good on paper!! I am going to go to it when I service again, I also like that it is an orange color so will be easier to check for leaks etc.

tps

I do recall reading about it and would even consider using it after my warranty period is up, but I seem to recall it's hard to buy in less than 50 gal barrels. I think I even did a web search to see if it was available in my area with no luck. If you find a supplier that will ship 5 gal's or less, let us all know.

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TPS

· #17 · Jul 16, 2009

Chris,
I will keep looking, but I have found no one here that handles it nor have I found any on line suppliers so far! If I do I will post the info.-tps

CHDinCT

· #18 · Jul 17, 2009

TPS said:
Chris,
I will keep looking, but I have found no one here that handles it nor have I found any on line suppliers so far! If I do I will post the info.-tps

Yeah, same issue I had went I got interested in it - no practical way to buy it. You would think if Chevron thinks so highly of it, they'd actually want someone to buy it. :sidelaugh

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T126

· #19 · Jul 20, 2009

I was at the local dealer last week and met the factory/company rep....asked about the Super vs regular UDT. HE Told me that for this area (NE Alabama) that he would NOT go the extra expense for the super as it only helps when temps are extremely cold such as in the Indiana, Il OH type weather where it goes below freezing and stays there for several months. I know a LITTLE about those temps as I lived in north Indiana for 16 months....8 below for a week ... lakes all froze solid from Nov to Apr....
I would not use the Super here where I am now from what the Rep told me.

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T126

· #20 · Aug 28, 2009

TPS said:
I would like to know if anyone has tried this Chevron All Weather Synthetic THF? It is the only one I have seen that meets SUDT specs. I have read about it on this forum before but do not recall anyone trying it, It does look good thoough and is full synthetic where SUDT I understand is not. Take care-TPS

q I have searched the Southeast over for this oil (Al, Ga, Tn, Fl, Ms) and cannot find anyone who stocks it...wholesalers, jobbers, chevron/texaco dealers stations the whole 900 yards. AND everyone who can order it (most say 4 to 6 weeks to get it) said that it comes in 55 gallon drums only and no one would offer to re-package it for me.
IF anyone knows where I can buy this please send me a PM. Thanks, T126

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