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Difference in case fluids 372705r7 or 3540
- Thread starter born2ride
- Start date
born2ride
Well-Known Member
Hytran Ultraction is the one in the bottom 2 pictures. It is an updated version. It has a higher oil molecule shear rating for newer transmissions. It is also backward compatible so it can go in older stuff and won't hurt anything.
FarmWrench
Well-Known Member
I've got a CVT. They are calling for the "ultra action" even though it wasn't out when the tractor was built.
NH had a lighter viscosity hydrostatic oil for the Bi-directional tv-140. Something 600???? Supposed to wrap all the oils into the ultra- expensive ultra- action.
If you never get it below some temp the old hytran was good enough for the CVT.
NH had a lighter viscosity hydrostatic oil for the Bi-directional tv-140. Something 600???? Supposed to wrap all the oils into the ultra- expensive ultra- action.
If you never get it below some temp the old hytran was good enough for the CVT.