8 wheel drive bogey with Stephensons valve gear and 57 inch drivers for use with Harriman Lines Consolidations in service on the Union Pacific.
The original is by Daniel Gollery, trainboi1. It is uploaded with the kind permission of the original creator. Many thanks to Daniel for allowing me to do this.
The original model can be found here
http://trainzforge.weebly.com/index.html
If you want to modify and share this version you should seek the permission of the original author.