From the LC Prado platform
Here is the Land Cruiser Family Tree: http://tlc.toyota-europe.com/main_frame.html
The (Prado/4R/GX/FJ)= 120 platform based on--->90 series--->70 series
Clearly the USA LC is from a different development line. 100--->80--->60--->50

Here is the Land Cruiser Family Tree: http://tlc.toyota-europe.com/main_frame.html
The (Prado/4R/GX/FJ)= 120 platform based on--->90 series--->70 series
Clearly the USA LC is from a different development line. 100--->80--->60--->50