Largest railroad diesel engine in the world "The UP DDA40X"

[taliovelez]

www.up.com/heritage/fleet/centennial/index.htm

www.utahrails.net/articles/up-dda40xphp

www.rrhma.com/loc6936/

www.american-rails.com/dda40x.html

www.rrpicturearchives.net/locopicture.aspx?id=17202#google_vignette

https://thedieselshop.us/Data DDA40X.HTML

EMD DDA40X

EMD DDA40X - Wikipedia

Union Pacific 6936 - Wikipedia