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Southern Railway USRA 2-10-2 Light Santa Fe No. 5200.
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General arrangement drawing of the USRA Light Santa Fe.

Baldwin logo.

A USRA Light Santa Fe Slideshow.

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General arrangement drawing of the USRA Light Santa Fe.

Southern Railway USRA 2-10-2 Light Santa Fe No. 5200.

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USRA Light Santa Fe 2-10-2 Steam Locomotive
The USRA Light Santa Fe 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. These locomotives were of 2-10-2 wheel arrangement in the Whyte notation, or 1′E1′ in UIC classification; this arrangement was commonly named "Santa Fe" in the United States. At the time, the Santa Fe was the largest non-articulated type in common use, primarily in slow drag freight duty in ore or coal service.

A total of 94 of these locomotives were constructed under the auspices of the USRA. They went to the following railroads:

Original USRA Allocation List

Ann Arbor Railroad
Quantity: 4
Class: L
Road numbers: 190–193
Notes: Renumbered 2550–2553, reclassified L2, Sold to
Kansas City Southern Railway Nos. 220–223, September 1942. KCS class L-1.

Chicago and Western Indiana Railroad
Quantity: 5

Duluth, Missabe and Northern Railroad

Quantity: 10
Class: E-1
Road numbers: 506–515
Notes: to
Duluth, Missabe and Iron Range Railroad (same numbers).

New York Central Railroad subsidiary
Boston and Albany Railroad
Quantity: 10
Class: Z-1
Road numbers: 1100–1109
Notes: Sold to
Canadian National Railway Nos. 4200–4209 class T-3-a in 1928.

Seaboard Air Line Railroad
Quantity: 15
Class: B-1
Road numbers: 485–499
Notes: renumbered 2485–2499.

Southern Railway
Quantity: 50
Class: Ss-1
Road numbers: 5200–5249

Total: 94

Only one USRA Light 2-10-2 survives: DM&IR 506 is on display at the National Railroad Museum in Green Bay, Wisconsin

USRA Light Santa Fe Overview
Type and origin
Power type: Steam
Builders:
American Locomotive Company, Baldwin Locomotive Works
Specifications
AAR wheel arrangement: 2-10-2
UIC class: 1′E1′ h2
Gauge: 4 ft 8 1⁄2 in (1,435 mm) standard gauge
Leading diameter: 33 in (838 mm)
Driver diameter: 57 in (1,448 mm)
Trailing diameter: 43 in (1,092 mm)
Wheelbase: 40 ft 4 in (12.29 m)
Length: 52 ft 10 in (16.10 m) without tender
Width: 10 ft 8 in (3.25 m)
Height: 15 ft 0 in (4.57 m)
Adhesive weight: 274,000 lb (124,000 kilograms; 124 metric tons)
Locomotive weight: 352,000 lb (160,000 kilograms; 160 metric tons)
Total weight: 540,300 lb (245,100 kilograms; 245.1 metric tons)
Fuel type: Soft coal (bituminous)
Firebox:
 • Firegrate area: 76.3 sq ft (7.09 m2)
Boiler pressure: 200 lbf/in2 (1.38 MPa)
Heating surface 4,666 sq ft (433.5 m2)
 • Tubes: 2,970 sq ft (275.9 m2)
 • Flues: 1,323 sq ft (122.9 m2)
 • Firebox: 373 sq ft (34.7 m2)
Superheater:
​ • Heating area: 1,085 sq ft (100.8 m2)
Cylinders: Two
Cylinder size: 27 in × 32 in (686 mm × 813 mm)
Valve gear: Southern (see drawing)
Performance figures
Tractive effort: 69,400 lbf (308.7 kN)
Factor of adhesion: 3.95

See also:

USRA

2-10-2 Locomotives

Steam Locomotives