agford4x4
Silver Member
I noticed my front differential in my DX-55 is just about dry, i need to add some fluid. I do not have any and i sort of need it ASAP, so ordering isnt really an option. I have done some research and found that the MSDS on the Hy Trans Ultra says synonyms of the fluid are MS-1209. Now, at my local ag store, there is hydraulic fluid called Mystik JT-5, the spec sheet on the Mystik has a whole page of different manufacturers that it replaces, one of those being the Case Hy Tran Ultra MS1209 spec.
Is this safe to use? Its the lube that goes in the front axle, its 1.5qts. I will be topping it off, rather than replacing....is that safe? One oil i read said it met the specs, but NOT to top off, but replace instead. I have no idea why.
Is this safe to use? Its the lube that goes in the front axle, its 1.5qts. I will be topping it off, rather than replacing....is that safe? One oil i read said it met the specs, but NOT to top off, but replace instead. I have no idea why.