JGR/JNR Class C51
Central China Ry Pashina class (パシナ)
China Railways SL9 (勝利9) |
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| Type and origin |
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| Reference: | | Power type | Steam |
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| Builder | Kisha Seizō, Mitsubishi, JNR - Hamamatsu |
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| Build date | 1919-1928 |
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| Total produced | 289 |
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| Specifications |
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Configuration:
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| • Whyte | 4-6-2 Pacific |
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| Gauge | 1,067 mm (3 ft 6 in) |
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| Leading dia. | 940 mm (3 ft 1 in) |
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| Driver dia. | 1,750 mm (5 ft 9 in) |
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| Trailing dia. | 940 mm (3 ft 1 in) |
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| Wheelbase | 10 m (32 ft 10 in) |
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| Length | 19.994 m (65 ft 7.2 in) |
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| Loco weight | 69.6 t |
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| Total weight | 113.8 t |
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| Fuel type | Coal |
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| Fuel capacity | 8 t |
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| Water cap. | 17 m3 (4,491 US gal) |
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| Firebox: | |
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| • Grate area | 2.53 m2 (27 sq ft) |
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| Boiler pressure | 13 kg/cm2 (180 lbf/in2) |
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| Heating surface | 127.4 m2 (1,371 sq ft) |
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Superheater:
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| • Heating area | 41.4 m2 (446 sq ft) |
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| Cylinders | Two |
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| Cylinder size | 53 cm × 66 cm (21 in × 26 in) |
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| Valve gear | Walschaerts |
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| Performance figures |
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| Maximum speed | 99.1 km/h (61.6 mph) |
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| Career |
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| Retired | 1966 |
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| Disposition | Four preserved (all in Japan), remainder scrapped |
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The Class C51 (C51形) is a type of 4-6-2 steam locomotive built by Kisha Seizo Mitsubishi and Japanese National Railways (JNR) Hamamatsu Works . The C classification indicates three sets of driving wheels. The C51 introduced 1.75 m (5 ft 9 in) diameter driving wheels to Japan. C51s raised the average speed on the Tōkaidō Main Line from 47.3 km/h (29.4 mph) to 55.3 km/h (34.4 mph). In 1930, a C51 hauled the first Tsubame (swallow) express, reducing travel time between Tokyo and Kōbe to 9 hours.
