RI 4790
This loco was built in 12/1973 with EMD serial number 73676-1. She was built as a freight roadswitcher, model SD40-2.
She became ICG 6040 in the early 1980's when ICG obtained the entire fleet of SD40-2's from the defunct Rock Island.
She became EMDX 6040 as a member of EMD's lease fleet.
She became NSMX 655.