Looking for heavier road switching power SP turned to EMD in 1975 for 58 MP15AC’s to add to their roster. A small batch #2732-2735 were used as slug mothers mated to a rebuilt EMD switcher slug for use in Roseville California. Many of them were absorbed into the UP at the merger ...Looking for heavier road switching power SP turned to EMD in 1975 for 58 MP15AC’s to add to their roster.
A small batch #2732-2735 were used as slug mothers mated to a rebuilt EMD switcher slug for use in Roseville California. Many of them were absorbed into the UP at the merger. After their tenure on the UP came to a close quite a few found service on lease fleets and short lines still seen operating today.