Class of 342 two-cylinder 2-6-0 locomotives
Great Western Railway 4300 Class |
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6304 at Over Junction, Gloucester, in 1962 |
Type and origin |
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Power type | Steam |
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Builder | |
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Order number | Lots 183, 193, 194, 198, 202, 204–209, 211, 212, 218, 222, 230, 276 |
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Serial number | - Swindon: 2396–2415, 2516–2535, 2552–2571, 2612–2631, 2652–2761, 2790–2841, 2887–2906
- RS&C: 3802–3836
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Build date | 1911–1932 |
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Total produced | 342 |
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Specifications |
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Configuration:
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• Whyte | 2-6-0 |
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• UIC | 1′C h2 |
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Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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Leading dia. | 3 ft 2 in (0.965 m) |
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Driver dia. | 5 ft 8 in (1.727 m) |
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Minimum curve | 6 chains (400 ft; 120 m) normal, 5 chains (330 ft; 100 m) slow |
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Length | 58 ft 1+1⁄4 in (17.71 m) |
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Width | 8 ft 11 in (2.718 m) |
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Height | 13 ft 0 in (3.962 m) |
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Axle load | 17.60 long tons (17.88 t; 19.71 short tons) |
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Adhesive weight | 52 long tons 0 cwt (116,500 lb or 52.8 t) (52.8 t; 58.2 short tons) |
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Loco weight | 62 long tons 0 cwt (138,900 lb or 63 t) (63.0 t; 69.4 short tons) |
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Tender weight | 40 long tons 0 cwt (89,600 lb or 40.6 t) (40.6 t; 44.8 short tons) |
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Fuel capacity | 7 long tons 0 cwt (15,700 lb or 7.1 t) (7.1 t; 7.8 short tons) |
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Water cap. | 3,500 imp gal (16,000 L; 4,200 US gal) |
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Firebox: | |
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• Grate area | 20.56 sq ft (1.910 m2) |
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Boiler | GWR Standard No. 4 |
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Boiler pressure | 200 psi (1.38 MPa) |
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Heating surface: | |
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• Firebox | 128.72 sq ft (11.958 m2) |
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• Tubes | 1,349.64 sq ft (125.386 m2) |
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Superheater:
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• Heating area | 191.88 sq ft (17.826 m2) |
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Cylinders | Two, outside |
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Cylinder size | 18+1⁄2 in × 30 in (470 mm × 762 mm) |
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Career |
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Operators | Great Western Railway, British Railways |
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Power class | GWR: D; BR: 4MT |
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Numbers | 4300–4399, 5300–5399, 6300–6399, 7300–7321, 9300–9319 |
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Axle load class | GWR: 4300–7300s Blue; 8300–9300s: Red |
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Locale | Great Britain |
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First run | 1911 |
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Withdrawn | 1936–1964 |
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Disposition | Two preserved, remainder scrapped |
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The Great Western Railway (GWR) 4300 Class is a class of 2-6-0 (mogul) steam locomotives, designed by G.J. Churchward for mixed traffic duties. 342 were built from 1911–1932.