mobil1 everything!!

mobil1 0w-30 for engine oil
mobil1 ATF for tranny, power steering, tod/transfercase
mobil1 75w-140 for front and rear axle
mobil1 grease for yoke, chasis, front wheel bearing
mobil1 spray for key lock, linkage

this should cover all temperture ranges from Africa to North Pole.

I've heard AMSoil is also very good stuff. But you can't find them easily locally but you can always order online.