| Specifications |
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Configuration:
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| • Whyte | 4-6-6-4 |
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| • UIC | (2′C)C2′ h4g |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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| Driver dia. | 69 in (1,753 mm) |
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| Wheelbase | 60 ft 4+1⁄2 in (18.402 m) Engine
121 ft 10+7⁄8 in (37.157 m) Engine + tender |
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| Adhesive weight | 403,700 lb (183,115 kg) |
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| Loco weight | 627,000 lb (284,000 kg) |
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| Tender weight | 436,500 lb (198,000 kg) |
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| Total weight | 1,063,500 lb (482,400 kg) |
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| Fuel type | Coal, oil |
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| Fuel capacity | 32 short tons (29 t; 29 long tons) |
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| Water cap. | 25,000 US gal (95,000 L; 21,000 imp gal) |
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| Firebox: | |
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| • Grate area | 132 sq ft (12 m) |
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| Boiler | 94 in (2,400 mm) |
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| Boiler pressure | 280 lbf/in (1.93 MPa) |
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| Heating surface: | |
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| • Firebox | 602 sq ft (55.9 m) |
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| • Tubes | 527 sq ft (49.0 m) |
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| • Flues | 3,687 sq ft (342.5 m) |
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| • Total surface | 4,795 sq ft (445.5 m) |
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Superheater:
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| • Heating area | 2,162 sq ft (200.9 m) |
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| Cylinders | Four |
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| Cylinder size | 21 in × 32 in (533 mm × 813 mm) |
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