The Landrover guys have had a debate about ATF vs MTF - see here
https://forums.lr4x4.com/topic/53160-atf-or-mtf-94/
In my case I used the standard MTF 94 with some Slick 50 added. Don't know if the Slick 50 was a good idea or not but I had some in the garage and decided to give it a try - the gearshift is now excellent.