could also try and find a 706 trans/rearend sitting in the weeds and bolt a dt466 to it.
I know of one sitting in a shed, was a puller until 2 years ago, just needs a motor pretty much and put back together...
PM for more info, Eastern IA
507-273-4089 Dexter has the one I talked about. Id buy it but Id have a hell of a time justifying it to my very forgiving wife.