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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) |
| Locomotive 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 |
Walschaerts |
| Tractive effort |
69,400 lbf (31,500 kg) |
| Factor of adhesion |
3.95 |
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:
