| Great Western Railway 5600 class |
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6685 at Aberbeeg locomotive depot in April 1951. |
| Type and origin |
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| Power type | Steam |
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| Designer | Charles B. Collett |
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| Builder | |
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| Order number | 228, 235, 244, 252, 255 |
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| Serial number | AW: 938–987 |
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| Build date | 1924–1928 |
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| Total produced | 200 |
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| Specifications |
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Configuration:
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| • Whyte | 0-6-2T |
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| • UIC | C1′ h2t |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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| Driver dia. | 4 ft 7+1⁄2 in (1.410 m) |
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| Trailing dia. | 3 ft 8 in (1.118 m) |
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| Loco weight | 5600: 68 long tons 12 cwt (153,700 lb or 69.7 t)
6600: 69 long tons 7 cwt (155,300 lb or 70.5 t) |
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| Fuel type | Coal |
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| Fuel capacity | 3.75 long tons (3.81 t; 4.20 short tons) |
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| Water cap. | 1,900 imp gal (8,600 L; 2,300 US gal) |
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| Boiler | GWR Standard No. 2 |
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| Boiler pressure | 200 psi (1.38 MPa) |
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| Superheater | Yes |
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| Cylinders | Two, inside |
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| Cylinder size | 18 in × 26 in (457 mm × 660 mm) |
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| Valve gear | Stephenson's |
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| Valve type | piston valves |
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The GWR 5600 Class is a class of 0-6-2T steam locomotive built between 1924 and 1928. They were designed by Charles Collett for the Great Western Railway (GWR), and were introduced into traffic in 1924. After the 1923 grouping, Swindon inherited a large and varied collection of locomotives from historic Welsh railway companies, which did not fit into their standardisation programme. GWR boiler inspectors arrived en masse and either condemned the original locomotives or had them rebuilt. The systematic destruction of many examples of locomotives, most still in serviceable condition, followed, but others continued in service alongside the 5600s.
Two hundred GWR 5600 Class locomotives were built and remained in service until withdrawn by British Railways between 1962 and 1965. Nine of the class have survived into preservation.
