300tdi- Diff and gearbox oils

I am looking for a bit of advice I need to service the wife's manual 300 tdi. I have not record of when any of the fluids of the drive train have been changed, so want to reaplce diff, transfer box and gearbox oils.

However I am not sure what I should be using so what do people recommend in terms of oil for a 1998 manual 300 tdi for the diffs, transfer box, and gearbox.

Originally LR used ATF in the gearbox's, they changed spec to MTF for the later Disco's. Either one will be fine ... As for the diffs and transfer box you'll need EP80/90 minimum GL4 spec.