Any particular reason why you would want to use it?
The LT95 box and transfer case is happy to use 15W40 diesel engine oil the same as the engine, which makes it easy at service time. Although if you have synchro problems the synthetic oils work a bit better than the 15W40. Light viscosity oils are recommended because of the oil pump in the gearbox. 15W40 is what I have used in my boxes for over 25years with nil problems.
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