JGR Class 860

The JGR Class 860 was the first steam railway locomotive built in Japan. Some parts were provided by foreign manufacturers, but the compound 38.1 cm × 50.8 cm (15 in × 20 in) high-pressure and 57.2 cm × 50.8 cm (23 in × 20 in) low-pressure cylinders were constructed in Japan. The compound design reduced coal consumption by 15 to 20 percent, but the locomotive was difficult to handle, so no more of the type were built. The locomotive spent its last years on Sakhalin.[1]

Class 860
The first locomotive built in Japan
Type and origin
Reference:[1]
Power typeSteam
DesignerRichard Francis Trevithick
BuilderJNR - Kobe
Build date1893
Total produced1
Specifications
Configuration:
​
 • Whyte2-4-2 Tank locomotive
Gauge1,067 mm (3 ft 6 in)
Leading dia.965 mm (3 ft 2.0 in)
Driver dia.1.346 m (4 ft 5.0 in)
Trailing dia.965 mm (3 ft 2.0 in)
Wheelbase5.944 m (19 ft 6.0 in)
Length9.652 m (31 ft 8.0 in)
Fuel typeCoal
Water cap.4.5 m3 (1,189 US gal)
Firebox:
 • Firegrate area		1.11 m2 (12 sq ft)
Heating surface71.48 m2 (769 sq ft)
Performance figures
Tractive effort4,890kg (single), 3,390kg (double)

See also

References
  1. Hirota, Naotaka (1972). Steam Locomotives of Japan. Kodansha International Ltd. pp. 52, 92 & 102. ISBN 0-87011-185-X.
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