JNR Class C12

JNR C12

Preserved C12 66, on the Mooka Railway, March 2012
Type and origin
Power type Steam
Builder
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 m2 (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/cm2 (1.37 MPa; 199 psi)
Heating surface 53.5 m2 (576 sq ft)
 • Tubes and flues 46.1 m2 (496 sq ft)
 • Firebox 7.4 m2 (80 sq ft)
Superheater:
 ​
 • Heating area 19.8 m2 (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
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

Static

See also

References

Wikimedia Commons has media related to C12 steam locomotives.
  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 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.


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