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Milwaukee Road class ES-1
| Power type |
Electric |
| Builder |
General Electric |
| Serial number |
4986 |
| Build date |
April 1915 |
| AAR wheel arr. |
B-B |
| Locomotive weight |
98,900 lb (44.9 t) |
| Power output |
316 hp (236 kW) continuous |
| Career |
Milwaukee Road |
| Number |
10000
E85 from March 1939 |
| Retired |
November 1939 |
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 DC electrification in the yard at Great Falls, Montana. It was originally numbered #10000 and was numbered E85 in March 1939. It was retired in November 1939.
