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Old 11-04-2017, 12:58 PM   #1
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Differential Gear Oil Options

The Dana 190060 rear axle in our '05 Safari Cheetah 36PDD is due a gear oil change, which the manual says will require 15 quarts of 75w90 synthetic gear oil meeting MIL SPEC 2105D. Most oils meeting these specs cost well over $200 for a 5 gallon pail delivered, but one, Sinopec (Imported from Singapore) is available for under $100. https://buysinopec.com/collections/differential
I'm reluctant to be the guinea pig, so I thought I'd ask if anyone is familiar with the Sinopec Synthetic 75w90?
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Old 11-04-2017, 01:15 PM   #2
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That's a very expensive assembly to gamble with. Just my opinion
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Old 11-04-2017, 01:19 PM   #3
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That's a very expensive assembly to gamble with. Just my opinion


Don’t go cheap on lubricants. Buy the best you can find.
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Old 11-04-2017, 01:19 PM   #4
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Quote:
Originally Posted by Fredred View Post
The Dana 190060 rear axle in our '05 Safari Cheetah 36PDD is due a gear oil change, which the manual says will require 15 quarts of 75w90 synthetic gear oil meeting MIL SPEC 2105D. Most oils meeting these specs cost well over $200 for a 5 gallon pail delivered, but one, Sinopec (Imported from Singapore) is available for under $100. https://buysinopec.com/collections/differential
I'm reluctant to be the guinea pig, so I thought I'd ask if anyone is familiar with the Sinopec Synthetic 75w90?


This one is very highly regarded:

http://www.skygeek.com/exxon-mobil-d...e-75w90gl.html
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Old 11-04-2017, 01:23 PM   #5
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Also a good site to do lubricant research is .Bob the oil guy .com lots to read there
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Old 11-04-2017, 01:41 PM   #6
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Hi ! Welcome to IRV2! We're sure glad you joined the gang!

Nope, don't know about that one! Keep her between the ditches!

Good luck, happy trails, and God bless!
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Old 11-04-2017, 02:05 PM   #7
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Don’t go cheap on lubricants. Buy the best you can find.

X2, absolutely agree. I use Mobil One full synthetic, yes it
costs A LOT more, but as you have been told thru the years,
"you get what you pay for".
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Old 11-04-2017, 06:18 PM   #8
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That's $3-4K gamble to save $100...might want to go ahead and buy lotto tix with the other $100 if you buy the cheap stuff.

x2 on Mobil 1
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Old 11-04-2017, 06:40 PM   #9
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It does meet SAE J2630 for API Category GL-5. There are also others.
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Old 11-04-2017, 06:50 PM   #10
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https://www.thelubricantstore.com/mo...l-75w90-4x1gal

I take it Mil Spec 2105E is even better than Mil Spec 2105D...???

Anyway, if you click on the tabs you can see all the industry endorsements.

I would imagine they ran the required lab test to prove they met the Mil Spec 2105D standard. You're probably fine using the $98 stuff... especially since we all tend to replace it based on years instead of mileage.

My Detroit Axle says 3yrs or 250,000 miles...Like I'll ever drive 250,000 miles in three years...
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Old 11-04-2017, 07:06 PM   #11
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Hi Fredred; I bet that if you check on-line, Dana Corp. probably has an on-line or a call number to get technical information on your rear axle. I have an Eaton in my Windsor and I called their tech. line and got to talk to a tech. to answer my questions. The gentlemen I talked to was of great help and answered all of my questions. Might be worth trying! Good luck!
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Old 11-05-2017, 05:47 AM   #12
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Brings to mind 2 sayings.

"The cheap comes out expensive".

"Do it as cheap as possible, not matter what it costs".

Needless to say, I wouldn't try to save the $100.
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Old 11-05-2017, 10:05 AM   #13
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Thanks for the Frank Responses

I appreciate all of the responses. I had been reluctant to post the query, but thought that if people had been pleased with the brand, it would be beneficial for others to know it. I will be sticking with one of the trusted US brands that meets or exceeds the Dana specs.
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