I doubt it has a ton of miles on it, no blow by, compression is almost exactly 375 psi on all cylinders. Turbo shaft has no lateral play at all. I know a bit about engines/diesels, seeing as I work for Ford. I have installed 10 or so imported engines in the past but this is my first JDM diesel.

1986 Montero SWB 2.6, 5 speed, 32" Dunlop Mud Rovers, Confer Rack
1984 Montero SWB 4d56 Diesel swap, Auto 4 Speed