Milwaukee Road class ES-1

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The Milwaukee Road's class ES-1 comprised a single electric switcher locomotive built in 1915. It was designed to run on the unique 1,500 V electrification in the yard at Great Falls, Montana. It was originally numbered #10000 and was later numbered E85.




Electric locomotive classes of the Milwaukee Road
EF-1 · EF-2 · EF-3 · EF-4 (Little Joe) · EF-5 · EP-1 · EP-2 (bi-polar) · EP-3 (quill) · ES-1 · ES-2