1st generation cummins 727 89-93

Are you looking for the 3spd 727(37RH) from 88-91.5 or the 727 based (46RH) overdrive unit used from 91.5 -93? For something like this I's peruse your local craigslist or consider dieseltruckresource.com or fortrucksonly.com. Here in Tucson cores needing a rebuild are selling for about $500 (3spd) and $800 (OD) before shipping.