JNR Class C57

Specifications
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

Type and origin
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)

JNR Class C57
Taiwan Railways Class CT270
JNR Class C57; Taiwan Railways Class CT270
	C57 1 at Tsuwano Station in 2017
Power type
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)
Configuration:;
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
Maximum speed
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)
Retired
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. Another 14 Class C57 locomotives were built for export to Taiwan in 1942 and 1953.

The class was withdrawn from regular passenger service in December 1975.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