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Milwaukee Road class ES-1

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Milwaukee Road class ES-1
Type and origin
Power typeElectric
BuilderGeneral Electric
Serial number4986
Build dateApril 1915
Total produced1
Specifications
Configuration:
​
 • AARB-B
 • UICBo′Bo′
Gauge4 ft 8+1⁄2 in (1,435 mm) standard gauge
Loco weight98,900 lb (44,900 kg; 44.9 t)
Electric system/s1,500 V DC
Performance figures
Power output316 hp (236 kW) continuous
Career
OperatorsMilwaukee Road
ClassES-1
Numbers
  • 10000
  • E85 from March 1939
RetiredNovember 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.

References

  • Edson, William D. (Spring 1977). "Milwaukee Road Locomotives". Railroad History. 136 (136). Boston, Mass.: Railway and Locomotive Historical Society: 115. JSTOR 43523968.
Electric locomotive classes of the Milwaukee Road
Electric locomotives built by GE
DC Electrics (Bipolar motors)
DC Electrics
AC Electrics
AC Electrics (3 phase)GN boxcab
AC Electrics (motor generator)
AC Electrics (Ignitron Rectifier)
AC Electrics (Silicon Rectifier)
Battery locomotives
(see also: List of GE locomotives)
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