PRR Odd D 10003

PRR Odd D 10003

300px Odd D #10003

Type and origin Power type Electric Builder Baldwin and Westinghouse Build date 1907 Total produced 1

Specifications Configuration 4-4-0 AAR wheel arr 2-B UIC class 2'B Gauge 4 ft 8 1⁄2 in (1,435 mm) standard gauge Wheel diameter 72" Electric system(s) 11 kV, AC, 25 Hz Current collection Pantograph

File:PRR Odd D 10003.png

Internal diagram

Pennsylvania Railroad's Odd D #10003 was an experimental electric locomotive built in 1907 by Baldwin and Westinghouse. It had an 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, #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.

External links

• LIRR Early Electric Engines (TrainsAreFun.com)