L322 02 transfercase oil, What oil to use?

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Originally Posted by Roverlord off road spares

and the SAF - X0 only for the diffs. FRONT and REAR LESS LOCKING,

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That disagrees with RAVE for my 2004 model (quoted above).

Or does it? Castrol Syntrax Longlife 75W-90 (Formerly SAF-XO 75w-90) is a GL5 synthetic.

http://www.ge39.com/files/SAF_XO_SAF_XJ_B1174_96.pdf

I rang one of my dealer contacts and was told SAF - X0 can be used in the transfer case, but when asked why Land Rover specs the Castrol Bot oil for transfer they couldn't tell me.
Having said that though, I am still going to put the specified Castrol Bot oil in my own transfer.