i called the junkyard about thier 78 d44 and they were like do you have a fulltime or part time t-case .i was like wtf does this have to do with the axel.they said they have a full time axel .will that one werk?and they said something about the removable carrier or nonremovable carrier i fergot wich one they had.can someone tell me what they mean about the carrier.thanx