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Transmission oil

Can someone please tell me what 600 W steam cylinder oil is? A definition of suitable oil for 1928 Durant gear box, clutch throwout and rear differential would be very helpful. Someone in my locality has suggested SAE 70-90, API GL5.

Where Are You From? New Zealand

Do You own a car built by Durant? yes

Re: Transmission oil

Hi Duncan ,
New Holland Farm Implement Dealers sell a product which I use in place of 600 W oil. It is part # EP9821006.
Hope this helps,
Jack Wright

Where Are You From? Ontario Canada

Do You own a car built by Durant? 1930 Durant 614

Re: Transmission oil


I now use this, it's worked well in my 29 model 60.
I use in the transmission and rearend.

Snyders Antique Auto
Part number# M-533
$10.50US QT



Where Are You From? Fremont, CA

Do You own a car built by Durant? 1929 Durant Roadster & 1931 Durant Model 619 Sedan

Re: Transmission oil

As I recall, 600W was sperm whale oil which became illegal in mid 1970's..

In my past life, we used Steam Turbine oil in gearboxes. For anything with brass
or bronze parts in it, lubricants of the GL-1 type are often used. Sometimes sold
as worm gear lubricant. This becomes a factor if the loads cause heat in the brass.
Just idling along might not matter. There might be a black market for your 600 drain oil.
For a century it was used for everything from sewing machines to automatic transmissions.
Now Jojoba oil replaces it, but costs a lot, like $25 per quart..

Where Are You From? MN

Do You own a car built by Durant? yes


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