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#4712153 - 03/31/18 08:40 AM old wheel loader trans oil
russell999 Offline


Registered: 03/31/18
Posts: 4
Loc: r.i
have read this site for long time and got a lot of usefull info.now I have specific question.a 1988 tcm 850 wheel loader. transmission is 4 speed powershift with torque converter.have always put utf in it.just got owners book, it says 10w engine oil for trans/converter.what should I run.the whole book seems old spec.engine oil says 10w winter,30w summer.i run 15/40.am thinking of change to 5/40 t6 or 10/30 t5 to help cold starting.would this be too thin for old sloppy engine in summer.trying to keep alive cause cant get parts,{any info on that},cant afford to replace.thank you for any info.

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#4712174 - 03/31/18 09:10 AM Re: old wheel loader trans oil [Re: russell999]
Linctex Offline


Registered: 12/31/16
Posts: 6186
Loc: Waco, TX
I think AW-46 hyd fluid is the way to go....

But, unfortunately... lots of folks just use "303" oil in most of the older ones.
"R & O" oil is one step better than "303".
_________________________
"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."

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#4712203 - 03/31/18 09:49 AM Re: old wheel loader trans oil [Re: Linctex]
Mainia Offline


Registered: 04/06/15
Posts: 228
Loc: Upper midwest
R&O oil we used to get us by till our 55 gallon drums came in of Mobil oil for our large printing presses. The Chevron R&O had nothing for an add pack and was told by a large distributor that R&O oil doesn't have any AW/EP additive as a whole. We added some rotary screw air compressor oil that had a robust add pack to get some Phosphorus into the oil. When I see R&O oil I now see "no add pack" in my head and I want something on anything that moves. That is why I use Mobil oil for the presses, because they have something extra vs other brands in R&O esq oil class, where other don't. The hydraulic oil has AW in it where R&O would not.


Edited by Mainia (03/31/18 09:50 AM)

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#4712218 - 03/31/18 10:25 AM Re: old wheel loader trans oil [Re: Linctex]
russell999 Offline


Registered: 03/31/18
Posts: 4
Loc: r.i
I like the add pack in utf,thinking it might be better than hyd oil.or is it additive I don't need or want. 10w engine oil seems thin. I run chevron 1000 thf in other equip I own in transmissions.do you think that is any good for this.

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#4712246 - 03/31/18 10:47 AM Re: old wheel loader trans oil [Re: russell999]
Rob_Roy Offline


Registered: 10/26/08
Posts: 981
Loc: Northern, NY
I used to maintain some old Fiat equipment that called for 10w engine oil in the transmission, and all the lube companies I spoke to suggested UTF. I think UTF has a better add pack for the wet clutches.

Is the loader parked near power? If it is, an oil pan heater would allow you to use 15w-40 year-round and enjoy better cold starting.
_________________________
2016 Ford Expedition 3.5 Ecoboost
2015 Subaru Legacy 3.6
2014 Subaru Outback 2.5
1999 Ford F350, V10

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#4712269 - 03/31/18 11:14 AM Re: old wheel loader trans oil [Re: russell999]
Yah-Tah-Hey Offline


Registered: 05/26/14
Posts: 3483
Loc: Columbus,Nebraska
What is "UTF?"

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#4712283 - 03/31/18 11:25 AM Re: old wheel loader trans oil [Re: russell999]
Snagglefoot Offline


Registered: 12/31/17
Posts: 1909
Loc: SE British Columbia, Canada
Sounds like a 10-30 Diesel oil would be best such as Mobil Delvac 10-30.

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#4712408 - 03/31/18 01:44 PM Re: old wheel loader trans oil [Re: russell999]
russell999 Offline


Registered: 03/31/18
Posts: 4
Loc: r.i
no power on jobsite.is 5-40 to thin.10-30 hdeo is good idea.should have stronger add pack.i think utf{universal tractor fluid} is 10-30.

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#4712587 - 03/31/18 06:00 PM Re: old wheel loader trans oil [Re: russell999]
Rob_Roy Offline


Registered: 10/26/08
Posts: 981
Loc: Northern, NY
5w-40 would be fine, and work year round.
_________________________
2016 Ford Expedition 3.5 Ecoboost
2015 Subaru Legacy 3.6
2014 Subaru Outback 2.5
1999 Ford F350, V10

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#4712635 - 03/31/18 07:00 PM Re: old wheel loader trans oil [Re: russell999]
russell999 Offline


Registered: 03/31/18
Posts: 4
Loc: r.i
ok.i will use 5w-40 in engine.then decide to use a good utf or 10w-30 hdeo in transmission.i don't know whats in these transmissions.never had one apart.are there clutches so the utf is better.or is hdeo stronger add pack and take heat better.

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