USRA Light Santa Fe

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USRA Light Santa Fe
USRA Light Santa Fe
Power type Steam
Gauge 4 ft 8½ in (1435 mm)
Leading wheel size 33 in (838 mm)
Trailing wheel size 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)
Weight on drivers 274,000 lb (124,000 kg)
Total weight 352,000 lb (160,000 kg)
Locomotive and tender combined weight 540,300 lb (245,000 kg)
Fuel type Soft coal
Fire grate area 76.3 ft² (7.09 m²)
Heating surface: Tubes 2,970 ft² (275.9 m²)
Heating surface: Flues 1,323 ft² (122.9 m²)
Heating surface: Firebox 373 ft² (34.7 m²)
Cylinders 2
Cylinder size 27×32 in (686×813 mm)
Valve gear Walschaert valve gear
Tractive effort 69,400 lbf (31,500 kg)
Factor of adhesion 3.95
General arrangement drawing
Enlarge
General arrangement drawing

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: