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#4436459 - 06/20/17 06:54 AM Mobil 1 TDT 5w40
krismoriah72 Offline


Registered: 02/16/09
Posts: 1518
Loc: wv
This oil isnt JASO rated. Is it because it didnt pass or they didnt need the rating? I have about 12 gallons left over from autozone clearance... wanting to know if its ok to use in a wet clutch UTV.

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#4436490 - 06/20/17 07:41 AM Re: Mobil 1 TDT 5w40 [Re: krismoriah72]
ArcticDriver Offline


Registered: 01/27/17
Posts: 1139
Loc: USA
12 gallons of M1 TDT at clearance prices?

You won the lottery. smile
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#4436506 - 06/20/17 08:12 AM Re: Mobil 1 TDT 5w40 [Re: ArcticDriver]
krismoriah72 Offline


Registered: 02/16/09
Posts: 1518
Loc: wv
Originally Posted By: ArcticDriver
12 gallons of M1 TDT at clearance prices?

You won the lottery. smile


LOL not really...it was a mistake on their part i think. It was a few yrs ago.

https://bobistheoilguy.com/forums/ubbthreads.php/topics/3215075/Autozone_Sale_Mobil_1

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#4436524 - 06/20/17 08:33 AM Re: Mobil 1 TDT 5w40 [Re: krismoriah72]
ARCOgraphite Offline


Registered: 05/17/09
Posts: 11970
Loc: N.H, U.S.A.
Its all about the clutch stack, so if you don't have shared sump (or you have a dry racing clutch) no worries.

This is an AC or H-O-H cooled engine?


Edited by ARCOgraphite (06/20/17 08:35 AM)
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#4436567 - 06/20/17 09:18 AM Re: Mobil 1 TDT 5w40 [Re: krismoriah72]
MotoTribologist Offline


Registered: 02/03/16
Posts: 562
Loc: NJ, USA
Originally Posted By: krismoriah72
This oil isnt JASO rated. Is it because it didnt pass or they didnt need the rating? I have about 12 gallons left over from autozone clearance... wanting to know if its ok to use in a wet clutch UTV.


It is because it is a turbo diesel engine oil and has nothing to do with motorcycle wet clutches. Therefore, it has no need for a JASO rating. Whether it is good for a wet clutch, I'd suggest asking Mobil.

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#4436622 - 06/20/17 10:28 AM Re: Mobil 1 TDT 5w40 [Re: krismoriah72]
A_Harman Offline


Registered: 10/01/10
Posts: 6921
Loc: Michigan
If it doesn't have a JASO rating, I would assume it's not intended for wet clutch applications.
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#4436667 - 06/20/17 11:10 AM Re: Mobil 1 TDT 5w40 [Re: MotoTribologist]
krismoriah72 Offline


Registered: 02/16/09
Posts: 1518
Loc: wv
Originally Posted By: MotoTribologist
Originally Posted By: krismoriah72
This oil isnt JASO rated. Is it because it didnt pass or they didnt need the rating? I have about 12 gallons left over from autozone clearance... wanting to know if its ok to use in a wet clutch UTV.


It is because it is a turbo diesel engine oil and has nothing to do with motorcycle wet clutches. Therefore, it has no need for a JASO rating. Whether it is good for a wet clutch, I'd suggest asking Mobil.


Gotcha but Rotella 5W40 is JASO rated and used by many in powersports.

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#4436672 - 06/20/17 11:17 AM Re: Mobil 1 TDT 5w40 [Re: A_Harman]
krismoriah72 Offline


Registered: 02/16/09
Posts: 1518
Loc: wv
Originally Posted By: A_Harman
If it doesn't have a JASO rating, I would assume it's not intended for wet clutch applications.


I agree.

However on their Amazon listing https://www.amazon.com/Mobil-98JE04-5W-40-Diesel-Synthetic/dp/B003EQ85IG

"The performance of Mobil 1 Turbo Diesel Truck 5W-40 is the result of extensive cooperative development work with major equipment builders and application of the latest lubrication technology. As a result, this product meets or exceeds the latest API, ACEA, JASO, and global industry specifications for diesel engine oils."

My jug does not list the rating..not sure if the formula changed or they got the rating later.

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#4436702 - 06/20/17 11:49 AM Re: Mobil 1 TDT 5w40 [Re: krismoriah72]
MotoTribologist Offline


Registered: 02/03/16
Posts: 562
Loc: NJ, USA
Originally Posted By: krismoriah72
Originally Posted By: MotoTribologist
Originally Posted By: krismoriah72
This oil isnt JASO rated. Is it because it didnt pass or they didnt need the rating? I have about 12 gallons left over from autozone clearance... wanting to know if its ok to use in a wet clutch UTV.


It is because it is a turbo diesel engine oil and has nothing to do with motorcycle wet clutches. Therefore, it has no need for a JASO rating. Whether it is good for a wet clutch, I'd suggest asking Mobil.


Gotcha but Rotella 5W40 is JASO rated and used by many in powersports.

Rotella's JASO compliance is a design side-effect. It is not something the formulators at Shell are concerned with meeting. It just happened to be there and enough people asked about it that they decided to put it on the label. JASO MA/MA2 compliance has nothing to do with Diesel engine oils though.

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#4611832 - 12/23/17 05:48 AM Re: Mobil 1 TDT 5w40 [Re: krismoriah72]
Sealbilly Offline


Registered: 07/02/16
Posts: 165
Loc: EasTn
As long as it doesn't have friction modifiers it would be fine but it will probably shear down to a 30 wt rather quickly in a shared sump since the first number is five.

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#4626157 - 01/06/18 04:59 PM Re: Mobil 1 TDT 5w40 [Re: krismoriah72]
Cujet Online   content


Registered: 02/15/03
Posts: 7162
Loc: Jupiter, Florida
M1, 5W-40 TDT is one fantastic oil. To answer your question, I've used it extensively in various motorcycles without any clutch issues. Including my modified SV1000s, which is known to be hard on clutches.
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