Originally Posted by
TWAB747nomore
747-100
747-200
747-300
747-400
747-400ER (Qantas only)
747-800I
I mean the only other aircraft that has had more varients is the Boeing 737
Don't forget the Japan-only domestic variants of the -400 (and I think -200, as well). Specially reinforced parts for high number of cycles in domestic operation.