EMD's GP30 is pretty much my favorite locomotive. Nothing else on rails looks like it. This particular GP30 has been assigned to yard duty in my hometown more than once. And it's still wearing BN Cascade Green! One of my favorite liveries.

Owner: BNSF Railway
Model: Rebuilt EMD GP39E Built As:CB&Q 946 (GP30)
Serial Number:27157 Order No:7621 Frame Number:7621-7
Built: 5/1962 Notes: blt 2/62 as CB&Q 946
Other locos with this serial: BNSF 2741(GP39E) BN 2223(GP30) CB&Q 946(GP30) BN 2751(GP39E)
Data from RR Picture Archives dot net.
This unit and more can be found in my DA group: http://emd-gp15-gp30.deviantart.com/