Delivering the Big Boys

We all know of Union Pacific’s most famous freight haulers, but how many of us know the journey they took to get there?

A lot of the information found on the delivery of the Big Boys came from these forums, so check them out:

https://ogrforum.ogaugerr.com/topic/a...

https://www.trainorders.com/discussio...

http://www.rypn.org/forums/viewtopic....

Also I forgot to add them in the end credits but jterry618 on Flickr was another photo source