| NSB type 22 |
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| Type and origin |
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| Power type | Steam |
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| Builder | Hamar, Thune |
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| Build date | 1906–1908 |
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| Total produced | 6 |
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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 |
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| Gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
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| Wheelbase | 2825 mm (9ft 3.2in) |
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| Length | 16.385 mm (53 ft 8.8in) |
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| Loco weight | 22a: 49.6 t (54.7 short tons; 48.8 long tons)
22b: 51.2 t (56.4 short tons; 50.4 long tons) |
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| Tender weight | 16.6 t (18.3 short tons; 16.3 long tons) |
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| Total weight | 22a: 91 t (100 short tons; 90 long tons)
22b: 92.6 t (102.1 short tons; 91.1 long tons) |
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| Fuel type | Coal |
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| Fuel capacity | 4 t (4.4 short tons; 3.9 long tons) |
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| Water cap. | 15 m3 (3,300 imp gal) |
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| Firebox: | |
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| • Grate area | 2.13 m2 (22.9 sq ft) |
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| Boiler pressure | 13 kg/cm2 (180 psi) |
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| Heating surface: | |
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| • Firebox | 22a: 130.3 m2 (1,403 sq ft)
22b: 108.3 m2 (1,166 sq ft) |
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Superheater:
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| • Heating area | 22b: 36.3 m2 (391 sq ft) |
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| Cylinders | 2 |
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| Cylinder size | 22b: 570 mm × 640 mm (22 in × 25 in) |
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| High-pressure cylinder | 22a: 490 mm × 640 mm (19 in × 25 in) |
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| Low-pressure cylinder | 22a: 730 mm × 640 mm (29 in × 25 in) |
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| Performance figures |
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| Maximum speed | Forward and Reverse
22a: 40 km/h (25 mph)
after 1925: 45 km/h (28 mph)
22b: 45 km/h (28 mph) |
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| Factor of adh. | 22a: 46.6 t (51.4 short tons; 45.9 long tons)
22b: 48 t (53 short tons; 47 long tons) |
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The NSB Type 22 steam locomotives were built between 1906 and 1908 by Thunes mekaniske verksted and Hamar Jernstøberi for the Norges Statsbaner (NSB), the state railway company in Norway.
