| SJ F |
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SJ 1200 at Gävle, August 2008 |
| Type and origin |
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| Power type | Steam |
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| Builder | NOHAB |
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| Serial number | 1020, 1061-1070 |
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| Build date | 1914–1916 |
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| Specifications |
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Configuration:
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| • Whyte | 4-6-2 |
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| • UIC | 2′C1′ h4v |
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| Gauge | 1,435 mm (4 ft 8+1⁄2 in) |
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| Driver dia. | 1,880 mm (6 ft 2 in) |
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| Length | 21,300 mm (69 ft 11 in) |
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| Loco weight | 142.8 tonnes (140.5 long tons; 157.4 short tons) |
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| Cylinders | Four, compound |
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| Performance figures |
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| Maximum speed | 90 km/h (56 mph) (110 km/h or 68 mph in Danish service) |
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| Power output | 1,140 kW (1,529 hp) |
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The F class was a type of steam locomotive used by Swedish State Railways (Swedish: Statens Järnvägar, SJ) and based on the Württemberg C. Eleven locos were built by Nydquist & Holm (NOHAB) between 1914 and 1916. It was primarily used on the main lines between Stockholm-Gothenburg and Stockholm-Malmö. It is one of the largest steam locomotives ever used in Sweden.
The superheated compound locomotive could produce 1,140 kilowatts (1,529 hp).
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