Built in 1915 by the General Electric Company as a two unit locomotive. Several units have been combined and modified to make three unit locomotives used to haul heavy freight trains over the Rocky, Bitter Root, and Cascade Mountains. Originally numbered 10208 A and B, and 10210 B. Renumbered as shown in photograph in 1939.

Built in 1919 by the General Electric Company and the American Locomotive Company. This is a bi-polar gearless motor and is the type used to haul passenger trains of The Milwaukee Road across the Cascade Mountains. This locomotive was renumbered E1 in 1939.

Tractive Effort

at 25% tractive coefficient