I just stripped a 2012 16 row 1775nt.   I have two complete drives and the wedge boxes to run them.   I have clutches also.   Not high jacking this thread as a sales pitch as I don’t know what exact part numbers you need but if you find out what you need and I have it, I’d be happy to sell you some of it at a bargain price I’m in NW Missouri.   Email is in profile.