This is the model that started it all! I have always been fascinated with geared locomotives. Sadly, n scale only has one readily available geared locomotive. That model is the Atlas shay. However I wanted another geared locomotive and so I decided to design a two truck climax for my railroad. I thought that other people would be interested in the model so I made it available on Cults3D. The model runs on a Kato chassis. Here's a link to the model: