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{{Short description|Class of electric locomotive}}
{{more footnotes|date=March 2018}}
{{Infobox Locomotive
|name = Milwaukee Road EF-1
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|disposition = 1 EF-1 and 1 ES-3 preserved, remainder [[scrap]]ped
}}
[[Image:MILW EF-1 10203.jpg|thumb|EF-1 #10203, as new.]]▼
[[Image:MILW EF-1 sideview.jpg|thumb|EF-1 side-view drawing.]]▼
The
In 1919, with the arrival of a newer generation of passenger power, the EP-1 locomotives were converted to EF-1 freight locomotives, and renumbered 10230–10241. In this role, they served until the 1950s, when the arrival of the [[Little Joe (electric locomotive)|Little Joe]] locomotives began to replace them in freight service.
== Technical information ==
▲[[Image:MILW EF-1 10203.jpg|thumb|left|EF-1 #10203, as new.]]
▲[[Image:MILW EF-1 sideview.jpg|thumb|left|EF-1 side-view drawing.]]
They were fitted with [[multiple-unit train control]] systems, and could thus be joined together into larger sets and operated from a single control station. They were also retrofitted with a special multiple unit control system designed by an electrical engineer of The Milwaukee Road. This enabled the crew of a boxcab to control trailing diesel electric locomotives. However, the EF-4 "Little Joes", which were also retrofitted, were more often seen leading diesel electrics than boxcabs, which had by then been largely relegated to the role of helper or [[bank engine]].
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== EP-1A ==
In
==Retirements==
[[File:The Milwaukee Road Engine E57B on display in Harlowton, Montana.jpg|thumb|Unit E57B in Harlowton, MT]]
The fleet stayed intact until 1951, when two EF-1s were retired – E51A+B and E68A+B. Two units of an EF-2 were retired in 1954, and the remaining numbers held steady until the mid-1960s, when old age began to take its toll. Locomotives were patched
Most were retired by the end of 1973, but one unit, E57B and its "bobtail" companion, were kept in service as the [[Harlowton, Montana]], switcher until June 1974.
==Today==
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==References==
{{Commons category|Milwaukee Road class EF-1 locomotives}}
* {{Electrification-by-GE}}
* {{cite book
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|author = Chamberlin, Clint
}}
* {{cite journal |last=Edson |first=William D. |date=Spring 1977 |title=Milwaukee Road Locomotives |location=Boston,
{{Milw electrics}}
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