USRA Light Pacific

USRA Light Pacific
Type and origin
Power type Steam
Builder American Locomotive Company, Baldwin Locomotive Works
Build date 1919–1920
Total produced 81, plus copies
Specifications
Configuration 4-6-2
UIC classification 2′C1′ h2
Gauge 4 ft 8 1⁄2 in (1,435 mm)
Driver diameter 73 in (1,854 mm)
Locomotive weight 277,000 lb (130 tonnes)
Boiler pressure 200 lbf/in2 (1.38 MPa)
Cylinders Two
Cylinder size 25 in × 28 in (635 mm × 711 mm)
Performance figures
Tractive effort 40,700 lbf (181.0 kN)

The USRA Light Pacific was a USRA standard class of steam locomotive designed under the control of the United States Railroad Administration, the nationalized railroad system in the United States during World War I. This was the standard light passenger locomotive of the USRA types, and was 4-6-2 wheel arrangement in the Whyte notation, or 2′C1′ in UIC classification.

A total of 81 locomotives were built under USRA control; these were sent to the following railroads:

Table of original USRA allocation[1]
Railroad Quantity Class Road numbers Notes
Atlantic Coast Line Railroad
45
P-5-A
1500–1569
Also 25 copies[2]
Baltimore and Ohio Railroad
30
P-5
5200–5229
[3]
Louisville and Nashville Railroad
6
K-5
240–245
Also 20 copies[4]
Total 81

After the dissolution of the USRA, all three railroads ordered additional copies of the USRA Light Pacific design, while the Grand Trunk Western Railroad and the Mobile and Ohio Railroad ordered only copies.

Atlantic Coast Line Railroad number 1504 is the only surviving member of the USRA standard light pacifics so far as we know, it is currently under restoration in Jacksonville Florida.

References

  1. ↑ "USRA Locomotives". Steamlocomotive.com. Retrieved 2009-02-19.
  2. ↑ Drury pp.33, 37
  3. ↑ Drury pp.43, 47
  4. ↑ Drury pp.228, 230
  • Drury, George H. (1983), Guide to North American Steam Locomotives, Waukesha, Wisconsin: Kalmbach Publishing Company, ISBN 0-89024-206-2, LCCN 93041472