JNR Class C57

JNR Class C57 Taiwan Railways Class CT270
C57 180 at Aizu Wakamatsu Station in 2007
Type and origin Power type Steam Builder Kawasaki Heavy Industries Rolling Stock Company, Kisha Seizō, Mitsubishi Heavy Industries, Hitachi Build date 1937–1947 (201 for JNR), 1953 (14 for TRA)
Specifications Configuration: ​  • Whyte 4-6-2 Pacific Gauge 1,067 mm (3 ft 6 in) Driver dia. 1,750 mm (5 ft 9 in) Length 20,280 mm (66 ft 6 in) Height 3,945 mm (12 ft 11.3 in) Loco weight 67.50 t (66.43 long tons; 74.41 short tons) Total weight 115.50 t (113.68 long tons; 127.32 short tons) Fuel type Coal Firebox: ​  • Grate area 11.4 square metres (122.7 sq ft) Boiler pressure 227.5 psi (1,569 kPa) Superheater: ​  • Heating area 41.4 square metres (445.6 sq ft) Cylinders two Cylinder size 500 mm × 600 mm (20 in × 24 in) Valve gear Walschaerts
Performance figures Maximum speed 100 km/h (62 mph) Power output: ​  • Starting 1,290 PS (1,270 hp)  • Continuous 1,040 PS (1,030 hp) Tractive effort 12,820 kg (125.7 kN) Factor of adh. 10,330 kg (101.3 kN)
Career Retired December 1975 (Japan) 28 February 1983 (Taiwan) Disposition Four operational among 32 preserved, remainder scrapped

The Class C57 (C57形) is a type of 4-6-2 steam locomotive built in Japan from 1937 to 1947. A total of 201 Class C57 locomotives were built and designed by Hideo Shima.^[1][2] Another 14 Class C57 locomotives were built for export to Taiwan in 1942 and 1953.^{[citation needed]}

The class was withdrawn from regular passenger service in December 1975.^[2] The locomotives were numbered C57 1–C57 201 in Japan the TRA CT270 were numbered CT271–CT284.