History of the Norfolk Southern AC44C6CF ~ A Failed Dash 9 Rebuild (Obscure Offerings Ep. 17)
NS 8520 was a one-off C44-9W rebuild using electrical equipment from CAF. She had a short career on Norfolk Southern post-rebuild, owing to several mechanical issues, and it's because of those issues that the AC44C6CF conversion was never repeated. Now the locomotive is owned by the Knoxville Locomotive Works and is apparently still going as a lease unit.
(Image Credits):
Andrew Easom (Flickr)
Andy Tucker (Flickr)
Anthony Stillitano (Flickr)
Bkriegel95 (Heritage Units . Com)
Bruce Bird (Flickr)
Bruce Gage (Flickr)
Buff_Railfan (Flickr)
Carter Raymond (Flickr)
Casey Truitt (Flickr)
Chad Malinovsky (RR Picture Archives)
Daniel Alls (Flickr)
Danny A. (Flickr)
Generic Railfan (Flickr)
George Woods (Flickr)
Harold Hodnett (Flickr)
High Hor$epower (Flickr)
Hunter Robertson (Flickr)
Ian Whaley (Flickr)
Jacob Leukhardt (Flickr)
James Kerr (Flickr)
J. Alex Lang (Flickr)
Joseph Cermak (Flickr)
Marc Malnekoff (RR Picture Archives)
Marty Bernard (Flickr)
Matt Beagan (Flickr)
Norfolk Southern
Pat Huemmer (RR Picture Archives)
Paul Campanini (Flickr)
Paul Rome (Flickr)
Peyton Shipp (Flickr)
Railfan Jack (Flickr)
Terry Lovell (Flickr)
Terry Redeker (Flickr)
Tim Darnell (Flickr)
Todd Dillon (Flickr)
Trent Sayers (Flickr)
Trey P. Holland (Flickr)
William H. Davis Jr. (Flickr)
Zachary Ryan (Flickr)