Wait for it.....
The Knoxville Locomotive Works with their KLW20B, what appears to be a sharpened 3rd Gen GP20 maserquading as a SD45 or a PR43C.
http://www.knoxvillelocomotiveworks.com/
http://www.knoxvillelocomotiveworks.com/KLW20B_flyer.pdf
The Knoxville Locomotive Works with their KLW20B, what appears to be a sharpened 3rd Gen GP20 maserquading as a SD45 or a PR43C.
http://www.knoxvillelocomotiveworks.com/
http://www.knoxvillelocomotiveworks.com/KLW20B_flyer.pdf