| WD Austerity 2-8-0 |
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90733 at Oxenhope, August 2015 |
| Type and origin |
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| Power type | Steam |
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| Designer | Robert Riddles |
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| Builder | |
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| Build date | 1943–45 |
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| Total produced | 935 |
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|
| Specifications |
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Configuration:
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| • Whyte | 2-8-0 |
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| • UIC | 1′D h2 |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) |
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| Leading dia. | 3 ft 2 in (965 mm) |
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| Driver dia. | 4 ft 8+1⁄2 in (1,435 mm) |
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| Length | 63 ft 6 in (19.35 m) over buffers |
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| Axle load | 15 long tons 12 cwt (34,900 lb or 15.9 t) |
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| Adhesive weight | 61 long tons 5 cwt (137,200 lb or 62.2 t) |
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| Loco weight | 70 long tons 5 cwt (157,400 lb or 71.4 t) |
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| Tender weight | 55 long tons 10 cwt (124,300 lb or 56.4 t) |
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| Fuel type | Coal |
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| Fuel capacity | 9 long tons 0 cwt (20,200 lb or 9.1 t) |
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| Water cap. | 5,000 imperial gallons (23,000 L; 6,000 US gal) |
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| Firebox: | |
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| • Grate area | 28.6 sq ft (2.66 m2) |
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| Boiler pressure | 225 lbf/in2 (1.55 MPa) |
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| Heating surface: | |
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| • Firebox | 168 sq ft (15.6 m2) |
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| • Tubes | 1,068 sq ft (99.2 m2) |
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| • Flues | 451 sq ft (41.9 m2) |
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Superheater:
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| • Type | 28-element Melesco |
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| • Heating area | 298 sq ft (27.7 m2) |
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| Cylinders | Two, outside |
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| Cylinder size | 19 in × 28 in (483 mm × 711 mm) |
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| Valve gear | Walschaerts |
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| Valve type | 10-inch (250 mm) piston valves |
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|
| Career |
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| Power class | 8F |
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| Nicknames | Ozzie |
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| Axle load class | Route availability 6 |
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| Disposition | One preserved, remainder scrapped. |
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The War Department (WD) "Austerity" 2-8-0 is a type of heavy freight steam locomotive that was introduced in 1943 for war service. A total of 935 were built, making this one of the most-produced classes of British steam locomotive. They were nicknamed Ozzies by the railwaymen.
