so, pulled apart my D44.
Good news:
Center section looks factory new. Still has clean gear oil in it. Spiders are tight, gear pattern looks good and the bearings are clean and shiny. It's fully good to go.
Bad news
Shafts and drums are wasted from morons at a wrecking yard torching wheels off. So I'm going to have to find new shafts.
I had decided that I was going to put ZJ brakes on it, but I think I may keep the drums. This 44 has the stupid wide 10" drums, and since I don't feel like messing with parking brake cables I'll probably just rehab them and roll out. I'm sure the parking brake will work better than silly little shoes inside a rotor anyway, and I value a good functioning parking brake. Chances are the drums are more effective brakes anyway, and I don't feel like monkeying with the bed height proportioning setup anyway. Thankfully this 44 was a factory Mj piece and still has the bracket on the diff for the height valve.