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D8 14a TO fluid alternative

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3 years 6 months ago #222559 by Zgrant231
Just bought my first D8 #9A1872.

I was looking to fully service the unit before I try it out, possibly purchasing oils in bulk 45gal drums. I have some equipment that calls for 15-40 in hydraulic systems. Does any one have any input on an an alternative to cats 30w transmission drive oil in a 14A?

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3 years 6 months ago #222561 by Old Magnet
Cat TDTO equivalents:
Chevron.....Drive Train Fluid HD
Mobil Trans HD Series
Shell..... Spirax S4 CK
The following user(s) said Thank You: Zgrant231

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3 years 6 months ago #222565 by Zgrant231
Thank you but I'm still a bit stumped. I dont see the drive train fluid in an S.A.E.#90 like recommended.

Is cats mil-l-2105 a modern GL-5 gear lube?

It just seems kinda thick to pump through filter element.
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3 years 6 months ago - 3 years 6 months ago #222566 by Old Magnet
The heaviest TDTO is SAE 50
yes, GL5 is equivalent to the old 90wt gear oil.

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Last edit: 3 years 6 months ago by Old Magnet.

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