WP 3501:
This loco was built in 5/1966 with EMD serial number 31662. She was built as a freight roadswitcher, model GP40.
She became UP 651 in the early 1980's when UP merged with the Western Pacific.
She became MP 651 in the mid 1980's when UP re-assigned some ex Western Pacific GP40's to the MP in yellow paint with MISSOURI PACIFIC lettering.
She was renumbered back to UP 651 at some point.
She was sold for continued service and became KCS 4765.