Here is a photo of my late father-in-law's Lionel 736 pulling all nine of Lionel's MPC heavyweight O-27 passenger cars. This is one set of his I'm keeping. This was taking at BANDOB Bill's home back in Aug 2013. He has since moved.
We have not heard from @BANDOB Bill in a while, although he visited the forum not too long ago. He is a great guy, and I miss his posts. I hope he is doing well.