A GN Electric Boxcab Slideshow, circa 1924.
Postcard depiction the GE AC Boxcab electric locomotives used by the Great Northern to take trains through the old Cascade Tunnel. The old tunnel was electrified by the railroad in 1909; these locomotives began work there at the time and remained working until the new Cascade Tunnel was completed in 1929. Circa 1924.
Classic Streamliners - TRAINCYCLOPEDIA
Great Northern Boxcab
GN Boxcab Overview
Type and origin
Power type: Electric
Builder: GE and ALCO
Build date: 1909
UIC class: B-B
Gauge: 4 ft 8 1⁄2 in (1,435 mm)
Wheel diameter: 60 in (1.5 m)
Length: 44 ft 2 in (13.46 m)
Width: 10 ft 0 in (3.05 m)
Locomotive weight: 230,000 lb (100 t)
Electric system(s): 6.6 kV, 25 Hz AC (3-Phase)
Current collection: Pantograph
Traction motors: 4 × GE-1506
Gear ratio: 19:81
Maximum speed :15 mph (24 km/h)
Power output: 1,500 hp (1,100 kW)
• Starting: 57,500 lbf (256 kN) at 25% adhesion
• 1 hour: 38,000 lbf (170 kN)
• Continuous: 34,800 lbf (155 kN)
Factor of adhesion: 25%
Operator: Great Northern Railway
Number in class: 4
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Text: wikipedia.org. Images: Public Domain; http://www.commons.wikimedia.org (unless otherwise specified) and 17 U.S. Code § 107 fair use. References: Lewis, Robert G. The Handbook of American Railroads. New York: Simmons-Boardman Publishing Corporation, 1951, 2nd Edition 1956. Site Map Contact webmaster HERE.