| GWR 2251 Class |
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2242 at Tramway Junction, Gloucester in 1962 |
| Type and origin |
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| Power type | Steam |
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| Designer | Charles Collett |
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| Builder | GWR Swindon Works |
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| Order number | Lots 261, 283, 298, 312, 322, 337, 347, 360 |
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| Build date | 1930–1948 |
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| Total produced | 120 |
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| Specifications |
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Configuration:
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| • Whyte | 0-6-0 |
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| • UIC | C h2 |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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| Driver dia. | 5 ft 2 in (1.575 m) |
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| Minimum curve | 4+1⁄2 chains (297 ft; 91 m) normal, 4 chains (264 ft; 80 m) slow |
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| Length | 53 ft 8+1⁄4 in (16.36 m) |
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| Width | 8 ft 5 in (2.565 m) |
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| Height | 12 ft 8+7⁄16 in (3.872 m) |
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| Axle load | 15 long tons 15 cwt (35,300 lb or 16 t) (17.6 short tons) full |
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| Loco weight | 43 long tons 8 cwt (97,200 lb or 44.1 t) (48.6 short tons) full |
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| Tender weight | 36 long tons 15 cwt (82,300 lb or 37.3 t) (41.2 short tons) full |
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| Fuel type | Coal |
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| Fuel capacity | 5 long tons 0 cwt (11,200 lb or 5.1 t) (5.6 short tons) |
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| Water cap. | 3,000 imp gal (14,000 L; 3,600 US gal) |
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| Firebox: | |
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| • Grate area | 17.40 sq ft (1.617 m2) |
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| Boiler | GWR Standard No. 10 |
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| Boiler pressure | 200 lbf/in2 (1.38 MPa) |
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| Heating surface: | |
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| • Firebox | 102 sq ft (9.5 m2)/ |
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| • Tubes | 1,069 sq ft (99.3 m2) |
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Superheater:
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| • Type | 4-element or 6-element |
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| • Heating area | 4-element: 52.98 sq ft (4.922 m2), 6-element: 70.00 sq ft (6.503 m2) |
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| Cylinders | Two, inside |
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| Cylinder size | 17+1⁄2 in × 24 in (444 mm × 610 mm) |
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| Career |
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| Operators | GWR » BR |
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| Power class | GWR: B, BR: 3MT |
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| Numbers | 2251–2299, 2200–2250, 3200–3219 |
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| Axle load class | Yellow |
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| Withdrawn | 1958–1965 |
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| Disposition | One preserved, remainder scrapped |
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The Great Western Railway (GWR) 2251 Class or Collett Goods Class was a class of 0-6-0 steam tender locomotives designed for medium-powered freight. They were introduced in 1930 as a replacement for the earlier Dean Goods 0-6-0s and were built up to 1948.