Specifications |
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Configuration:
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• Whyte | 4-8-8-2 |
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Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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Driver dia. | 63.5 in (1,613 mm) |
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Minimum curve | 319.62 ft (97.42 m) radius or 18° |
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Wheelbase | 112 ft 2 in (34.19 m) (engine 67 ft 0.25 in or 20.43 m)(driver 44 ft 7 in or 13.59 m) |
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Length | 123 ft 8 in (37.69 m) (loco 78 ft 11 in or 24.05 m) |
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Width | 10 ft 0 in (3.05 m) |
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Height | 16 ft 4 in (4.98 m) |
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Adhesive weight | 531,700 lb (241,200 kg; 241.2 t) |
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Loco weight | 657,900 lb (298,400 kg; 298.4 t)[1] (boiler empty 576,800 lb) [2][page needed] |
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Tender weight | 393,300 lb (178,400 kg) (empty 160,000 lb or 73,000 kg) |
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Total weight | 1,051,200 lb (476,800 kg) |
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Tender type | Rectangular Model 220-R-6 |
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Fuel type | Bunker C (#6 fuel oil) |
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Water cap. | Boiler 10,935 US gal (41,390 L; 9,105 imp gal) / Nathan 4000-C Non-Lifting Injector 12,000 gal/h (45 m3/h; 10,000 imp gal/h) |
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Tender cap. | 6,100 US gal (23,000 L; 5,100 imp gal) Oil 22,000 US gal (83,000 L; 18,000 imp gal) Water |
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Sandbox cap. | 2 short tons (1.8 t; 1.8 long tons) to front 3 drivers of both engines |
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Firebox: | |
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• Grate area | 139 sq ft (12.9 m2) |
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Boiler | Diameter 108.125 in (2,746 mm) |
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Boiler pressure | 250 psi (1.7 MPa) |
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Feedwater heater | Worthington Type 6-SA 12,000 gal/h (45 m3/h; 10,000 imp gal/h) |
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Heating surface: | |
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• Firebox | 1,700 °F (930 °C) |
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• Tubes | 3,456 sq ft (321.1 m2) |
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• Flues | 1,834 sq ft (170.4 m2) |
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• Tubes and flues | 240 tubes / 91 flues |
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Superheater | Elesco Type E |
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Cylinder size | 24 in × 32 in (610 mm × 810 mm) dia × stroke |
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Valve gear | Walschaerts |
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Valve type | dual piston "spool" |
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