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#2264721 - 05/18/11 12:11 PM MOBILFLUID 62
Northman Offline


Registered: 05/18/11
Posts: 3
Loc: Tehran, Tehran, Iran
Hello to all

If anyone can tell me what is the best substitute for Mobilfluid 62. It has a viscosity of 1.5 Engler in 50 degree celsius and is used for power transmission in a Wulfel-Kopp speed variator.

Thanks

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#2264747 - 05/18/11 12:38 PM Re: MOBILFLUID 62 [Re: Northman]
Stu_Rock Offline


Registered: 09/23/09
Posts: 981
Loc: SF Bay Area (formerly WI)
Hi and welcome to BITOG. This question might be better in the "hydraulic fluids" forum.

I searched that fluid and found a couple ideas. It looks like it's a SAE 80 GL-4 rated tractor fluid formulated for metal-on-metal clutches. It occurred to me our typical US brands might not be available in your location. What suppliers do you have available?

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#2265357 - 05/19/11 01:18 AM Re: MOBILFLUID 62 [Re: Northman]
Northman Offline


Registered: 05/18/11
Posts: 3
Loc: Tehran, Tehran, Iran
Stu_Rock Thanks for your Welcome.

Would you give me what you found about Mobilfluid 62, please? My main problem is I can not find anything about it.

I must admit that it is an oil which transfers power by friction between metal-to-metal contacts (driver metal cone-sphere and sphere-driven metal cone) and as I told before it has a low viscosity (about 6.5 cSt at 50 degree celsius.

If u give me the typical US brand names I would be grateful.

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#2265689 - 05/19/11 01:05 PM Re: MOBILFLUID 62 [Re: Northman]
Stu_Rock Offline


Registered: 09/23/09
Posts: 981
Loc: SF Bay Area (formerly WI)
Just by looking at the documents that Google found, one vendor recommends the following fluids for Kopp variators:

BP Energol CS 10
Esso Spin Way 10
Shell Vitrea Oil 10

Another vendor (http://www.allspeeds.co.uk/kopp/oil.htm) strongly states that only the following should be used:

Shell Morlina S2 BL
Shell Tellus R10

I heard that Shell has pulled out of your country, but your local suppliers might have some ideas for substitutes. Good luck!

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#2266216 - 05/20/11 03:03 AM Re: MOBILFLUID 62 [Re: Northman]
Northman Offline


Registered: 05/18/11
Posts: 3
Loc: Tehran, Tehran, Iran
Thank you very much Stu_Rock. The second group seems to fit my need.

But as you said this is just the beginning, now i should seek a way to find the equivalents in Iran (Down with Islamic Government).

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