JNR Class C51

Class C51

Class C51 locomotive C51 5 at Ome Railway Park, May 2006
Type and origin
Reference:[1]
Power type Steam
Builder Kisha Seizō, Mitsubishi, JNR - Hamamatsu
Build date 1919-1928
Total produced 289
Specifications
Configuration 4-6-2 Pacific
Gauge 1,067 mm (3 ft 6 in)
Leading dia. 940 mm (3 ft 1 in)
Driver dia. 1,750 mm (5 ft 9 in)
Trailing dia. 940 mm (3 ft 1 in)
Wheelbase 10 m (32 ft 10 in)
Length 19.994 m (65 ft 7.2 in)
Loco weight 69.6 t
Total weight 113.8 t
Fuel type Coal
Fuel capacity 8 t
Water cap 17 m3 (4,491 US gal)
Firebox:
 • Firegrate area		 2.53 m2 (27 sq ft)
Boiler pressure 13 kg/cm2 (180 lbf/in2)
Heating surface 127.4 m2 (1,371 sq ft)
Superheater:
 ​
 • Heating area 41.4 m2 (446 sq ft)
Cylinders Two
Cylinder size 53 cm × 66 cm (21 in × 26 in)
Valve gear Walschaerts
Performance figures
Maximum speed 99.1 km/h (61.6 mph)

The Class C51 (C51形) is a type of 4-6-2 steam locomotive built by Japanese National Railways (JNR). 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.[1]

Preserved examples

As of 2012, four Class C51 locomotives were preserved at various locations.

See also

References

Wikimedia Commons has media related to C51 steam locomotives.
  1. 1 2 Naotaka Hirota Steam Locomotives of Japan (1972) Kodansha International Ltd. pp.57&96 ISBN 0-87011-185-X
  2. 1 2 3 4 Sasada, Masahiro (September 2012). 国鉄&JR保存車大全 [JNR & JR Preserved Rolling Stock Complete Guide]. Tokyo, Japan: Ikaros Publications Ltd. p. 132. ISBN 978-4863206175.
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