PRR Odd D 10003 Electric Locomotive
Pennsylvania Railroad's Odd D No. 10003 was an experimental electric locomotive built in 1907 by Baldwin and Westinghouse. It had a 4-4-0 wheel arrangement in the Whyte notation, or 2-B in the AAR scheme. On the PRR, class D was assigned to 4-4-0 locomotives. Production classes of locomotive were assigned a number after the letter, but one-off locomotives were simply designated "Odd".
In testing, No. 10003 proved to be more stable at speed than the two class AA1 B-B locomotives the PRR had also constructed, so its 4-4-0 arrangement and high center of gravity was chosen as the design for the PRR's DD1 production locomotives.
Classic Streamliners - TRAINCYCLOPEDIA
The Pennsylvania Railroad's Odd D No. 10003 was an experimental electric locomotive built in 1907 by Baldwin and Westinghouse. Photo circa 1911.
PRR Odd D 10003 Overview
Type and origin
Power type: Electric
Builders: Baldwin and Westinghouse
Build date: 1907
Total produced: 1
AAR wheel arrangement: 2-B
UIC class: 2'B
Gauge: 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Wheel diameter: 72"
Electric systems: 11 kV, AC, 25 Hz
Current collection: Pantograph
A line drawing of the PRR Odd D locomotive.
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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.