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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 .

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 type Steam Builder Nippon Sharyo (110) Kawasaki (56) Kisha Seizō (44) Mitsubishi (17) Hitachi (55) Build date 1932–1947 Total produced 282
Specifications Configuration: ​  • Whyte 2-6-2T  • UIC 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 Japanese Government Railways Japanese National Railways North China Transport China Railway Taiwan Railways Vietnam Railways Indonesian State Railways 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 Retired 1970,(Japan),1971-1976,(Vietnam),1975-1983,(China),1982-1989,(Taiwan),1984-1992,(Indonesia)

Service outside Japan

North China Transport プレA, China Railways PL51, Vietnam Railways 131

From 1938 to 1939, 60 C12s were converted to metre gauge and shipped to the North China Transportation Company, where they operated primarily between Zhengding and Taiyuan. They were classified プレA (PureA). In 1939 Shijiazhuang–Taiyuan Railway was converted to standard gauge, these locomotives removed to Datong–Puzhou Railway north section. After the establishment of the People's Republic of China, they were taken over by the China Railway, where they were classified ㄆㄌ51 in 1951, and PL51 in 1959.[1] In 1956 the Datong–Puzhou Railway north section was reconverted to standard gauge, they were transferred to Vietnam, and they were classified 131.[2]

Taiwan Railways Administration CK120

From 1936 to 1941, the Nippon-Sharyo was built in 7 C12s for Governor-General of Taiwan Railway. After World War II, they were taken over by Taiwan Railways Administration, and they were classified CK120.[3] CK124 is preserved at Changhua Locomotive Depot.

Indonesian State Railways Class C32

In 1943, the Imperial Japanese Army sent two locomotives, C12 94 and C12 168, to Surabaya, Java for a military transport with a 1067 mm gauge. They were based at Sidotopo depot.[4] The original knuckle coupler were replaced with Norwegian coupler.[5] After the war, the two locomotives were received by the Indonesian Railways and were classed as C32. The Indonesian Railways only used them as shunters for goods wagons in Surabaya area as their profile are too big for Indonesian Railways loading gauge.[5] Both of the locomotives were scrapped around 1980s.[4]

Preserved examples

26 Class C12 locomotives are preserved, as listed below, with four in working order.

Operational

• C12 66: Mooka Railway Mooka Line, Mooka, Tochigi (operational)[6]
• C12 167: Wakasa Railway (operational, runs on compressed air)[6]
• C12 244: Akechi Line (operational, runs on compressed air)[6]

• C12 4 (CK124): Taiwan Railways, Changhua Railway Roundhouse (operational)[6]

• 
  C12 164, April 2012

Static

• 
  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
• 
  131-428 in Da Lat Station in July 2008

See also

• Japan Railways locomotive numbering and classification
• JNR Class C58
• JNR Class C63

References

• Prayogo, Yoga Bagus; Prabowo, Yohanes Sapto; Radityo, Diaz (2017). Kereta Api di Indonesia: Sejarah Lokomotif Uap (in Indonesian). Yogyakarta: Jogja Bangkit Publisher. ISBN 978-602-0818-55-9.

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