1964-65 3.09:1 Commando A833, 68 style slip yoke tailhousing.

Brooks James said
Im curious I have an 62 833 with the trunion tailshaft, will the later tail shafts interchange, also are the any internal parts that interchange

FYI, the 833 did not come out until 1964 so your transmission is either a ‘64 or ‘65.