Specifications |
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Configuration:
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• Whyte | 4-8-4 |
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• UIC | 2′D2′ h3 |
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• German | S 48.20 / 18 |
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Driver | Divided: inside on 1st, outside on 2nd |
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Gauge | 1,435 mm (4 ft 8+1⁄2 in) |
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Leading dia. | 1,000 mm (3 ft 3+3⁄8 in) |
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Driver dia. | 2,000 mm (6 ft 6+3⁄4 in) |
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Trailing dia. | 1,000 mm (3 ft 3+3⁄8 in) |
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Tender wheels | 1,100 mm (3 ft 7+1⁄4 in) |
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Wheelbase: | |
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• Axle spacing (Asymmetrical) | - 2,200 mm (7 ft 2+5⁄8 in) +
- 1,850 mm (6 ft 7⁄8 in) +
- 2,250 mm (7 ft 4+5⁄8 in) +
- 2,250 mm (7 ft 4+5⁄8 in) +
- 2,250 mm (7 ft 4+5⁄8 in) +
- 1,925 mm (6 ft 3+3⁄4 in) +
- 1,800 mm (5 ft 10+7⁄8 in) =
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• Engine | 14,525 mm (47 ft 7+7⁄8 in) |
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• Tender | - 1,750 mm (5 ft 8+7⁄8 in) +
- 1,500 mm (4 ft 11 in) +
- 1,375 mm (4 ft 6+1⁄8 in) +
- 1,375 mm (4 ft 6+1⁄8 in) =
- 6,000 mm (19 ft 8+1⁄4 in)
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• incl. tender | 22,450 mm (73 ft 7+7⁄8 in) |
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Length:
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• Over headstocks | 25,220 mm (82 ft 8+7⁄8 in) |
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• Over buffers | 26,520 mm (87 ft 1⁄8 in) |
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Height | 4,550 mm (14 ft 11+1⁄8 in) |
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Axle load | 20.0 t (19.7 long tons; 22.0 short tons) |
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Adhesive weight | 80.0 t (78.7 long tons; 88.2 short tons) |
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Empty weight | 129.8 t (127.8 long tons; 143.1 short tons) |
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Service weight | 141.8 t (139.6 long tons; 156.3 short tons) |
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Tender type | 2′3 T 38 St |
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Fuel type | Coal |
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Fuel capacity | 10 t (9.8 long tons; 11 short tons) |
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Water cap. | 38 m3 (8,400 imp gal; 10,000 US gal) |
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Firebox: | |
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• Grate area | 5.04 m2 (54.3 sq ft) |
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Boiler:
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• Pitch | 3,060 mm (10 ft 1⁄2 in) |
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• Tube plates | 7,500 mm (24 ft 7+1⁄4 in) |
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• Small tubes | 83 mm (3+1⁄4 in), 72 off |
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• Large tubes | 191 mm (7+1⁄2 in), 33 off |
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Boiler pressure | 20 bar (20.4 kgf/cm2; 290 psi) |
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Heating surface: | |
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• Firebox | 18.8 m2 (202 sq ft) |
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• Tubes | 130.0 m2 (1,399 sq ft) |
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• Flues | 140.2 m2 (1,509 sq ft) |
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• Total surface | 289.0 m2 (3,111 sq ft) |
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Superheater:
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• Heating area | 132.5 m2 (1,426 sq ft) |
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Cylinders | Three |
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Cylinder size | 520 mm × 720 mm (20+1⁄2 in × 28+3⁄8 in) |
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Valve gear | Heusinger (Walschaerts) |
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