So I finally got around to changing the fluid in my NV5600 transmission and NP271 transfer case today for the first time at almost 150,000k
Based on my readings in TDR, I used
3 qts. Valvoline Full Synthetic ATF+4 for the Transfer Case, and
6 qts. Mopar PN 4874464 for the NV5600 + 1 qt...