Case 830 differential fluid

dremling · Jan 1, 2010

What fluid is recomended for the 830 differential? Case HyTrans? or is a thicker oil required?

Anonymous-0 · Jan 1, 2010

reply#1-I use hy-tran ultra, it has vg moisture carrying ability, others will have other ideas.

bradley martin · Jan 1, 2010

You don't say whether it is an early model w/ separate hydraulic resevoir or a later model that uses the entire rear end as the hydraulic oil. If it is a later one, you do Not want to use a fluid heavier than Hy-tran, or ATF type oil. If it is an early model w/ the separate hydraulic resevoir, original recomendation from Case was 90 wt. gear oil. If you do use a lighter oil, you may discover some new leaks!!

Jim B · Jan 4, 2010

This has been discussed several times on this Forum.
The Operators Manual for the Case 800 and early 830, both with Case-O-Matic, says to use 10W Non-detergent motor oil for the Trans/Differential.
We recently rebuilt the brakes on our 830, which included new seals on the brake shafts and a flush-out of the Trans/Diff housing with fresh 14 gallon of oil. The answers I received, for the same question, was to use the newer oil formulations... such as Case HyTran.

I did just that and the Ol' girl shifts better than ever. No grinding when going into gear from neutral and it's much quieter, no bull-gear whine. HyTran has my vote, although our CIH/CNH dealer gets nearly $60 for a 5 gallon pain... Wow!

Case 830 differential fluid

dremling

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Anonymous-0

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bradley martin

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Jim B

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