A recent railpictures.net photo had Norfolk Southern 4610 and this quote from a employee. "It (4610) looks a lot better than it runs!" Why would that be? The GP59 has 3,000hp so the wheels should not slip as much as a 3,800hp GP60. Unless it has deferred matience.
http://trainiaxindex.cjb.net/
Keep asking, keep learning
http://www.railpictures.net/viewphoto.php?id=65978
http://trainiaxindex.cjb.net/
Keep asking, keep learning
http://www.railpictures.net/viewphoto.php?id=65978