JGR Class 5100

The JGR Class 5100 (5100形) was a type of 4-4-0 steam locomotive used on Japanese Government Railways. The two locomotives, numbered 18 and 20, were built by Kitson and Company in the United Kingdom in 1874 as 0-6-0 locomotives of the later JGR Class 7010. They were rebuilt into 4-4-0 wheel arrangement passenger locomotives at Kobe in 1876. In 1909, the two locomotives were classified Class 5100, becoming numbers 5100 and 5101.[2]

Class 5100
Locomotive No. 18 before being classified Class 5100
Type and origin
Reference:[1]
Power typeSteam
BuilderKitson and Company
Build date1874
Total produced4
RebuilderKobe
Rebuild date1876
Number rebuilt2
Specifications
Configuration:
​
 • Whyte4-4-0
Gauge1,067 mm (3 ft 6 in)
Leading dia.813 mm (2 ft 8.0 in)
Driver dia.1.372 m (4 ft 6.0 in)
Wheelbase5.435 m (17 ft 10.0 in)
Length13.115 m (43 ft 0.3 in)
Loco weight26 t
Firebox:
 • Firegrate area		1.1 m2 (12 sq ft)
Boiler pressure9.5 kg/cm2 (135 lbf/in2)
Heating surface75.9 m2 (817 sq ft)
CylindersTwo
Cylinder size35.6 cm × 50.8 cm (14 in × 20 in)

See also

References
  1. Naotaka Hirota Steam Locomotives of Japan (1972) Kodansha International Ltd. pp.90&103 ISBN 0-87011-185-X
  2. Inoue, Koichi (2014). Illustrated Steam Locomotives of National Railways (in Japanese). Japan: JTB Publishing. pp. 19, 151. ISBN 9784533098628.
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