JNR Class C12

JNR C12

Preserved C12 66, on the Mooka Railway, March 2012

Type and origin Power type Steam Builder Nippon Sharyo (110) (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 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 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.

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

C12 164, April 2012

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