Specifications |
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Configuration:
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• Whyte | 4-8-4 |
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• UIC | 2′D2′h2 |
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Driver | 2nd coupled axle |
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Gauge | 3 ft 6 in (1,067 mm) Cape gauge |
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Leading dia. | 30 in (762 mm) |
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Coupled dia. | 60 in (1,524 mm) |
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Trailing dia. | 30 in (762 mm) |
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Tender wheels | 34 in (864 mm) |
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Minimum curve | 275 ft (84 m) |
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Wheelbase | 95 ft 1+11⁄16 in (28,999 mm) |
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• Engine | 38 ft (11,582 mm) |
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• Leading | 6 ft 10 in (2,083 mm) |
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• Coupled | 15 ft 9 in (4,801 mm) |
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• Trailing | 5 ft 6 in (1,676 mm) |
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• Tender | 45 ft 10 in (13,970 mm) |
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• Tender bogie | 10 ft (3,048 mm) |
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Length:
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• Over couplers | 107 ft 6+1⁄16 in (32,768 mm) |
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Height | 13 ft (3,962 mm) |
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Frame type | Cast |
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Axle load | 19 LT 6 cwt (19,610 kg) |
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• Leading | 21 LT 1 cwt (21,390 kg) |
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• 1st coupled | 19 LT 4 cwt (19,510 kg) |
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• 2nd coupled | 19 LT 5 cwt (19,560 kg) |
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• 3rd coupled | 19 LT 6 cwt (19,610 kg) |
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• 4th coupled | 19 LT 3 cwt (19,460 kg) |
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• Trailing | 22 LT 10 cwt (22,860 kg) |
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• Tender bogie | Bogie 1: 57 LT 4 cwt (58,120 kg) Bogie 2: 56 LT 14 cwt (57,610 kg) |
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• Tender axle | 19 LT 1 cwt 2 qtr (19,380 kg) |
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Adhesive weight | 76 LT 18 cwt (78,130 kg) |
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Loco weight | 120 LT 9 cwt (122,400 kg) |
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Tender weight | 113 LT 18 cwt (115,700 kg) |
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Total weight | 234 LT 7 cwt (238,100 kg) |
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Tender type | CZ (3-axle bogies) |
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Fuel type | Coal |
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Fuel capacity | 19 LT (19.3 t) |
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Water cap. | 4,400 imp gal (20,000 L) main tank 600 imp gal (2,730 L) condensate |
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Firebox: | |
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• Type | Round-top |
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• Grate area | 70 sq ft (6.5 m2) |
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Boiler:
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• Type | Domeless |
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• Pitch | 9 ft 1+5⁄8 in (2,784 mm) |
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• Diameter | 6 ft 4+1⁄8 in (1,934 mm) |
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• Tube plates | 19 ft (5,791 mm) |
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• Small tubes | 158: 2+1⁄2 in (64 mm) |
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• Large tubes | 40: 5+1⁄2 in (140 mm) |
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Boiler pressure | 225 psi (1,551 kPa) |
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Safety valve | Ross-pop |
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Heating surface: | |
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• Firebox | 294 sq ft (27.3 m2) |
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• Tubes | 3,059 sq ft (284.2 m2) |
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• Arch tubes | 37 sq ft (3.4 m2) |
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• Total surface | 3,390 sq ft (315 m2) |
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Superheater:
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• Type | Melesco |
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• Heating area | 630 sq ft (59 m2) |
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Cylinders | Two |
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Cylinder size | 24 in (610 mm) bore 28 in (711 mm) stroke |
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Valve gear | Walschaerts |
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Valve type | Piston |
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Valve travel | 7+3⁄8 in (187 mm) |
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Loco brake | Vacuum |
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Couplers | AAR knuckle |
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