Yes on the Kadee coupler mounting pads.
6 car sets in CRR:
https://www.publicdeliverytrac...-hopper-cars-3-rail/
I do have some CRR in 2 rail also. Not many, and the NYO&W in 2 rail are sold out. Its tough to get MTH to do 2 rail for me....but i keep bugging them about it.
beth