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More important to know length and output shaft splines. I have one out of a 76 FJ40 (16 splines), but it's a long way from Oregon.
I think there are 4 versions:
Early with 10 spline output (Possibly 74 only)
Mid with 16 spline output (75-79)
Late early 19 spline output (80-4/85)
Late with 19 spline output and extension housing (4/85-87)
Anyway, you gotta know what you need.
What transfer case are you mating it up to?