JNR Class C12

JNR Class C12
Taiwan Railways Class CK120
North China Transport Class PureA (プレA)
China Railways Class PL51
Vietnam Railways Class 131
Indonesian State Railways Class C32
Preserved C12 66, on the Mooka Railway, March 2012
Type and origin
Power typeSteam
Builder
Build date1932–1947
Total produced282
Specifications
Configuration:
 • Whyte2-6-2T
 • UIC1′C1′ h2t
Gauge
  • 1,067 mm (3 ft 6 in)
  • 1,000 mm (3 ft 3+38 in) metre gauge
    (Vietnam Railways)
Driver dia.1,400 mm (55+18 in)
Length11,350 mm (37 ft 2+34 in)
Height3,900 mm (12 ft 9+12 in)
Axle load10.90 tonnes (10.73 long tons; 12.02 short tons)
Adhesive weight32.00 tonnes (31.49 long tons; 35.27 short tons)
Loco weight50.05 tonnes (49.26 long tons; 55.17 short tons)
Fuel capacity1.50 tonnes (1.48 long tons; 1.65 short tons)
Water cap.5,500 litres (1,200 imp gal; 1,500 US gal)
Firebox:
 • Grate area1.30 m2 (14.0 sq ft)
Boiler:
 • Tube plates3,200 mm (10 ft 6 in)
 • Small tubes45 mm (1+34 in), 68 off
 • Large tubes127 mm (5 in), 16 off
Boiler pressure14.0 kg/cm2 (1.37 MPa; 199 psi)
Heating surface:
 • Firebox7.4 m2 (80 sq ft)
 • Tubes and flues46.1 m2 (496 sq ft)
 • Total surface53.5 m2 (576 sq ft)
Superheater:
 • Heating area19.8 m2 (213 sq ft)
CylindersTwo, outside
Cylinder size400 by 610 millimetres (15+34 in × 24 in)
Valve gearWalschaerts
Performance figures
Power output505 PS (371 kW; 498 hp)
Tractive effort81.356 kN (18,290 lbf)
Career
Operators
Class
  • JGR/JNR: C12
  • NCTC: プレA
  • CR: PL51
  • TRA: CK120
  • VR: 131
  • IR: C32
Number in class
  • JGR/JNR: 282
  • NCTC: 60
  • CR: 60
  • TRA: 7
  • IR: 2
Numbers
  • JGR/JNR: C12 1–C12 282
  • NCTC: プレA1501−プレA1560
  • TRA: CK121−CK127
  • IR: C3201-C3202
Retired1970 (Japan),
1971-1976 (Vietnam),
1975-1983 (China),
1982-1989 (Taiwan),
1980 (Indonesia)

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 and designed by Hideo Shima.