Shimmy1
Senior Member
It appears that Deere/Hitachi now spec a zinc-free, high viscosity index hydraulic oil? The oil I'm finding is Super EX 46 HN.
Can anyone explain this, and offer any ideas on if this oil can work in other hydraulic systems? Or is this an attempt to make excavators unique in the oil game?
Can anyone explain this, and offer any ideas on if this oil can work in other hydraulic systems? Or is this an attempt to make excavators unique in the oil game?