The ARR had 1 gp30, Built as 2000, renumbered as 2504, maintained this paint scheme it's entire life.
They also ran a few gp35's in this scheme for a while.
GP40-2's as delivered had very little extra mods done aside from the fan cover
A full roster is available here: (this is also where I got the pictures)
https://www.alaskarails.org/glance/complete-roster.html
