| South Australian Railways 600 class |
|
|---|---|
| Power type | Steam |
| Builder | Armstrong Whitworth |
| Serial number | 623–632 |
| Build date | 1925 |
| Total produced | 10 |
| Configuration | 4-6-2 |
| UIC classification | 2′C1′ h2 |
| Gauge | 5 ft 3 in (1,600 mm) |
| Driver diameter | 6 ft 3 in (1.91 m) |
| Fuel type | Coal |
| Fuel capacity | 12 tons 0 cwt (26,900 lb or 12.2 t) |
| Boiler pressure | 200 psi (1.38 MPa) |
| Cylinders | Two, |
| Cylinder size | 24 × 28 in (610 × 711 mm) |
| Valve gear | Walschaerts |
| Tractive effort | 36,600 lbf (162.80 kN) |
| Career | South Australian Railways |
| Number | 600–609 |
| Withdrawn | 1958–1961 |
| Scrapped | 1961–1963 |
| Disposition | All scrapped |
The South Australian Railways 600 class is a class of ten 4-6-2 Pacific steam locomotives built in 1925, designed to operate on 1600 mm gauge lines.
South Australian Railways SAR ultimately owned twenty Pacific type locomotives. The first ten were part of larger order for thirty modern steam locomotives placed with Armstrong Whitworth in Great Britain in 1924. These class 600 Pacifics arrived to Adelaide in 1926 and all ten were placed into service the same year.
It was found that another lighter weight Pacific type locomotive was needed. Ten locomotives of the South Australian Railways 620 class were therefore built at Islington Workshops in 1936–1938.
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