EMD SW1200MG.html



EMD SW1200MG

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Power type	Electric
Service class	Locomotive
Type of service	Switcher
Builder	General Motors Diesel (GMD)
Serial number	A1945–A1949, A2176, A2558–A2560
Model	SW1200MG
Build date	1963 (5), 1968 (1), 1971 (3)
Total production	9
AAR wheel arr.	B-B
UIC classification	B'B'
Gauge	4 ft 8½ in (1,435 mm)
Electric system(s)	2400 V ac, 60 Hz
Current Collection method(s)	Overhead
Locomotive brakes	Straight air
Train brakes	26-L air
Career	Iron Ore Company of Canada
Number(s)	431501–431509
Locale	North America
WikiProject Trains {{Infobox Locomotive Auto}}

The EMD SW1200MG was a 4-axle electric locomotive built by General Motors Diesel between 1963 and 1971. This locomotive was the electric version of the diesel powered SW1200, with the prime mover replaced by a motor-generator set, hence the MG suffix in the model number.

Locomotives run under 2400V 60 Hz, in automatic control without driver. The difference with SW1200 is that a single-phase electric motor is provided in place of the diesel motor, with adapted control.

Nine examples of this locomotive were built for a single Canadian customer – Iron Ore Company of Canada (IOC).

External links

• northeast.railfan.net
• technical leaflet (in french)
• IOC

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