GTW Class U4b Streamlined Steam Locomotive
In 1938 the Grand Trunk Western Railroad (a Canadian National Railway subsidiary operating in the U.S.A.) received six new streamlined passenger 4-8-4 Confederation locomotives. The locomotives were built by Lima Locomotive Works of Lima, Ohio. These 4-8-4’s (more commonly known as Northerns) were to handle high-speed passenger trains such as the Maple Leaf and the International on the Grand Trunk Western and their Canadian National Railway connections.
6405, Class U-4-b, built by Lima in July 1938, serial No. 7759. It was scrapped in September 1961.
6406, Class U-4-b, built by Lima in July 1938, serial No. 7760. It was scrapped in March 1960.
6407, Class U-4-b, built by Lima in August 1938, serial No. 7761. It was scrapped in April 1960.
6408, Class U-4-b, built by Lima in August 1938, serial No. 7762. It was scrapped in April 1960.
6409, Class U-4-b, built by Lima in August 1938, serial No. 7763. It was scrapped in March 1960.
6410, Class U-4-b, built by Lima in August 1938, serial No. 7764. It was scrapped in March 1960.
Railroad: Grand Trunk Western (CNR)
Country: U.S.A. /Canada
Number in Class: 6
Road Numbers: 6405-6410
Number Built: 6
Valve Gear: Baker
Driver Wheelbase: 20'
Engine Wheelbase: 44.12'
Overall Wheelbase (engine & tender): 82.71'
Weight on Drivers: 237,900 lbs
Engine Weight: 382,700 lbs
Tender Light Weight: 278,500 lbs
Total Engine and Tender Weight: 661,200 lbs
Tender Water Capacity: 14,300 gals
Tender Fuel Capacity: 20 tons
Driver Diameter: 77"
Boiler Pressure: 275 psi
Cylinders (diameter x stroke): 24" x 30"
Tractive Effort: 52,457 lbs
Firebox Area: 394 sq. ft
Grate Area: 73.60 sq. ft
Evaporative Heating Surface: 3,852 sq. ft
Superheating Surface: 1,530 sq. ft
Combined Heating Surface: 5,382 sq. ft
Number 6405 was the first U4b delivered to Grand Trunk Western by Lima.
A U-4b Class Slideshow.
Black & white images courtesy of Chuckman's: http://chuckmanschicagonostalgia.wordpress.com
Classic Streamliners - TRAINCYCLOPEDIA
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.
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