Speaking of oil. What's this stuff?

Straw Boss

Well-known Member
My brother gave this to me from a manufacturing plant auction sale. Auctioneer wouldn't sell anything that had a broken seal, even a can of WD40 but that's a different story. A mostly full 55 gallon barrel of gearbox oil???? He thought it was 80-90 oil but I don't think so. I wouldn't put it into any of my old tractors unless I knew what it was. Any of you know how to read the label and figure out exactly what this stuff is or what it's intended use is? (Other than a vague description of gearbox oil).
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It's and industrial gear lube, as other said Google it and you'll find out specifics. IIRC the ISO 100 was about the same as 30WT, the ISO 460 I used was for big gears with high loads, like gear boxed on our presses or cookers. This won't have detergents in it so it won't be good for engines but depending on the spec it might have corrosion inhibitors, it's probably to thick for hydraulics and I don't know that I'd trust it in a tractor rear end.
 
Hello Straw Boss,

Machine Oil, that brings back memories at Mobil. Seen it in 55 gallon drums many times,

GUIDO.
 
It's high quality stuff. They make different weights. Other posts have already shown how to find the specs.
Looks like that one has some anti-wear or EP additives. Depending on weight could be real good for plain gear transmissions. No doubt vastly better than what was available in 1950.
 
Thanks all for the replies and links.
Looks like good stuff. Just don't have anything to put it in. The only thing I can think of to put it in would be the back half of an old Case tractor with a chain drive rear end and it sounds like too good of stuff for that. I'll have to ponder this awhile and decide just how many years this barrel will be in my way before I use any of it.
 

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