Because these are so popular in Australia it's easier. Plus I have a lot of OEM part numbers that I can use O'Reilly's interchange system to get parts from like gates. The transmission and axles are both standard land cruiser fare.
When I bought my Land cruiser recently the owner kept kind of stressing that it wasn't perfect, I replied it's 30 years old. I don't need it to be perfect I need it to be accurately represented that's all I asked for, I'm assuming you're in the same boat