JNR Class C12

JNR C12

Preserved C12 66, on the Mooka Railway, March 2012

Type and origin Power type Steam Builder Nippon Sharyo (110) Kawasaki Heavy Industries Rolling Stock Company (56) Kisha Seizō (44) Mitsubishi Heavy Industries (17) Hitachi (55) Build date 1932–1947 Total produced 282

Specifications Configuration 2-6-2T UIC class 1′C1′ h2t Gauge 1,067 mm (3 ft 6 in) Driver dia. 1,400 mm (55 ^1⁄8 in) Length 11,350 mm (37 ft 2 ^3⁄4 in) Height 3,900 mm (12 ft 9 ^1⁄2 in) Axle load 10.90 tonnes (10.73 long tons; 12.02 short tons) Adhesive weight 32.00 tonnes (31.49 long tons; 35.27 short tons) Loco weight 50.05 tonnes (49.26 long tons; 55.17 short tons) Fuel capacity 1.50 tonnes (1.48 long tons; 1.65 short tons) Water cap 5,500 litres (1,200 imp gal; 1,500 US gal) Firebox:  • Firegrate area 1.30 m^2 (14.0 sq ft) Boiler: ​  • Tube plates 3,200 mm (10 ft 6 in)  • Small tubes 45 mm (1 ^3⁄4 in), 68 off  • Large tubes 127 mm (5 in), 16 off Boiler pressure 14.0 kg/cm^2 (1.37 MPa; 199 psi) Heating surface 53.5 m^2 (576 sq ft)  • Tubes and flues 46.1 m^2 (496 sq ft)  • Firebox 7.4 m^2 (80 sq ft) Superheater: ​  • Heating area 19.8 m^2 (213 sq ft) Cylinders Two, outside Cylinder size 400 by 610 millimetres (15 ^3⁄4 in × 24 in) Valve gear Walschaerts

Performance figures Power output 505 PS (371 kW; 498 hp) Tractive effort 81.356 kN (18,290 lbf)

Career Operators Japanese Government Railways Japanese National Railways Class C12 Numbers C12 1 – C12 282

The Class C12 is a type of 2-6-2T steam locomotive built by the Japanese Government Railways and the Japanese National Railways from 1932 to 1947. A total of 282 Class C12 locomotives were built.

Preserved examples

A large number of Class C12 locomotives are preserved, as listed below, with some in working order.

Operational

• C12 66: Mooka Railway Mooka Line, Mooka, Tochigi (operational)^[1]
• C12 164: Ōigawa Railway, Shimada, Shizuoka (operational)^[1]

• 
  C12 164, April 2012

Static

• C12 2: Mikasa, Hokkaido^[1]
• C12 5^[1]
• C12 6^[1]
• C12 29^[1]
• C12 38^[1]
• C12 49^[1]
• C12 60^[1]
• C12 64^[1]
• C12 67^[1]
• C12 69^[1]
• C12 74^[1]
• C12 85^[1]
• C12 88: Itoigawa, Niigata^[1]
• C12 163^[1]
• C12 167^[1]
• C12 171^[1]
• C12 187^[1]
• C12 199^[1]
• C12 208: Ōigawa Railway, Shimada, Shizuoka (used for spares)^[1]
• C12 222^[1]
• C12 230^[1]
• C12 231: Preserved in front of Uchiko Station in Uchiko, Ehime.^[1] Built in 1939 and withdrawn in 1970, it was first preserved in the grounds of an elementary school before being moved to Uchiko Station in 1997.^[2]
• C12 241^[1]
• C12 244^[1]
• C12 259^[1]
• C12 280: Preserved in Komatsushima Station Park in Komatsushima, Tokushima^[1]
• C12 287^[1]

• 
  C12 6 at Otaru Museum in July 2007
• 
  C12 167 in April 2013
• 
  C12 187 at Hitachi-Daigo Station in November 2010
• 
  C12 231 in front of Uchiko Station in May 2010
• 
  C12 241 in April 2013
• 
  C12 259, October 2011
• 
  C12 280 in Komatsushima Station Park in July 2016

See also

• Japan Railways locomotive numbering and classification

References

1. Sasada, Masahiro (September 2012). 国鉄&JR保存車大全 [JNR & JR Preserved Rolling Stock Complete Guide]. Tokyo, Japan: Ikaros Publications Ltd. pp. 131–132. ISBN 978-4863206175.
2. 内子駅前のC12 231の修復工事が完成 [Renovation of C12 231 preserved in front of Uchiko Station complete]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 25 December 2014. Retrieved 25 December 2014.