Land Cruiser 80 Series trucks are known for reliability, and I personally wouldn't have a problem with the 90 -94 models. Unfortunately, those of us in the US are unable to get 'em, but we can still dream.
You might check out IH8MUDdotcom's forum section. There is an international cruiser tech area that has some amazing folks. As a whole, the amount of technical expertise on the site is amazing.
I personally have a 1992 FJ80 with just a tad under 200,000 miles on the original 3FE gasoline engine, and original drivetrain. My wife and I try to do a couple of weeks a year in Baja, Mexico, and I wouldn't hesitate to take the truck to Africa for a trip.
With a little love and luck, we will get by.
2003 BMW R1150GS Adventure
1983 FJ45 Land Cruiser Troop Carrier