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Allis Chalmers 821 Power fluid

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IBWD MIke View Drop Down
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Joined: 08 Apr 2012
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Post Options Post Options   Thanks (0) Thanks(0)   Quote IBWD MIke Quote  Post ReplyReply Direct Link To This Post Posted: 17 Dec 2022 at 10:49am
I avoid all that 'bargain' universal tractor fluid.
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Jim.ME View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Jim.ME Quote  Post ReplyReply Direct Link To This Post Posted: 18 Dec 2022 at 6:05am
"Vintage" oil is a marketing ploy, and not always less expensive, at least to the buyer, as you noted.  Do a bit of research and I believe you will find the "modern" oils/fluids are backwards compatible to the "older/vintage" ones.  Why would a manufacturer want to add more products to stock and deal with, other than in the cases where the product was going into new hardware that is not similar to existing.  John Deere doesn't sell 303 Special Purpose Oil, J14A Hy Gard, J20A Hy Gard, the current J20C covers all of them.  Same applies to the AGCO fluids I believe.  Look at the manufacturer specs an oil/fluid covers and go with the newest.  And if you cannot find the specs for a product on the container, or a Product Data Sheet for it, I suggest avoiding use of said product.
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JohnColo View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote JohnColo Quote  Post ReplyReply Direct Link To This Post Posted: 20 Dec 2022 at 1:10am
I bought 10 five gallon buckets of TSC Premium universal oil for $10.32 per gallon, including tax.  It was on sale for $15 off per bucket plus $5 off for 10 or more buckets.  I know I'll use it, unless I croak, and then someone will get a good deal on a bunch of oil!  I've been using the T6 in my Cat powered Freightliner, seems to start easier and still has decent oil pressure after it's hot.  I just use regular 15w40 in the other equipment as they aren't started when the temps are cold. 
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Tbone95 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Tbone95 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Dec 2022 at 9:44am
Originally posted by Jim.ME Jim.ME wrote:

"Vintage" oil is a marketing ploy, and not always less expensive, at least to the buyer, as you noted.  Do a bit of research and I believe you will find the "modern" oils/fluids are backwards compatible to the "older/vintage" ones.  Why would a manufacturer want to add more products to stock and deal with, other than in the cases where the product was going into new hardware that is not similar to existing.  John Deere doesn't sell 303 Special Purpose Oil, J14A Hy Gard, J20A Hy Gard, the current J20C covers all of them.  Same applies to the AGCO fluids I believe.  Look at the manufacturer specs an oil/fluid covers and go with the newest.  And if you cannot find the specs for a product on the container, or a Product Data Sheet for it, I suggest avoiding use of said product.
Backwards compatible, yes, exactly my point earlier as well!  Agreed!!
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Cliff View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Cliff Quote  Post ReplyReply Direct Link To This Post Posted: 4 hours 36 minutes ago at 12:24pm
Will Prime Guard 20w general purpose oil work as a 821 substitute in a 5015 ?
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steve(ill) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote steve(ill) Quote  Post ReplyReply Direct Link To This Post Posted: 4 hours 1 minutes ago at 12:59pm
I think the 5015 came originally with 15W40 in the trans / hydraulic system.. That is engine oil, so the system must be pretty basic. Any hydraulic oil would be an improvement over engine oil, in my opinion.. Hyd oils have anti foam and anti wear addatives for  pumps and valves. Engine oil is made as a bearing lubricant.

That being said, i think the PRIME GUARD "general purpose" does not list any SPECS. It is the cheapest type of hydraulic fluid you can buy.. Not saying it might not MEET any specs, but they didnt test it to verify and LIST ON THE CONTAINER.... I would go with a PREMIUM that lists a few specs like 821, TO2, etc


Edited by steve(ill) - 3 hours 56 minutes ago at 1:04pm
Like them all, but love the "B"s.
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Cliff View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Cliff Quote  Post ReplyReply Direct Link To This Post Posted: 3 hours 58 minutes ago at 1:02pm
Thanks Steve!!
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Ben (MI) View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Ben (MI) Quote  Post ReplyReply Direct Link To This Post Posted: 3 hours 19 minutes ago at 1:41pm
Oops sorry, fat fingers here.

Edited by Ben (MI) - 3 hours 17 minutes ago at 1:43pm
Part time farming with a 1980 7060 and 1984 F3 hydro.
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