Here's what I currently have for transmissions:
G-56 CORE from behind a 6.7, case has been broken and re-welded, has internal issues, as is for $300.
2005 48RE 2WD, was a runner with @ 150,000 miles on it, includes torque converter, $850.
NV271 Transfer cases, have several of different configurations and years, $400 each.
Heading to Denver, Colorado on Thursday, can drag whatever along.
Reply, PM or call me at 402-780-5127.