They are swappable but not without the two wheel parts needed like complete 2wd output shaft fifth/reverse gear and synchronizer ass. Here I posted on thread about some of the difference, check it out. http://www.mightyram50.net/vbulletin...45-Tranny-Info
Quote Originally Posted by recian View Post
There was a 5 speed option but all 4wd. However my 4d5 is 4x4 but tailshaft is swappable between it and my 2wd. Could be the same case here.