JGR Class 8620

Specifications
Specifications
Configuration:;
• Whyte	2-6-0
Gauge	1,067 mm (3 ft 6 in)
Leading dia.	940 mm (3 ft 1 in)
Driver dia.	1,600 mm (5 ft 3 in)
Minimum curve	940 mm (3 ft 1 in)
Length:;
• Over couplers	16,765 mm (55 ft 0 in)
Width	2,581 mm (8 ft 5.6 in)
Height	3,785 mm (12 ft 5.0 in)
Frame type	Plate
Loco weight	48.83 t (48.06 long tons; 53.83 short tons)
Tender weight	34.50 t (33.96 long tons; 38.03 short tons)
Cylinder size	470 mm (1 ft 7 in)
Valve gear	Walschaerts

Type and origin
Type and origin
Power type	Steam
Builder	Mitsubishi Heavy Industries, Hitachi, Nippon Sharyo, Kawasaki Heavy Industries Rolling Stock Company, Kisha Seizo
Build date	1914-1929
Total produced	672

JGR Class 8620
Taiwan Railways Class CT150
JGR Class 8620; Taiwan Railways Class CT150
	58654 in January 2024
Power type
Type and origin
Power type	Steam
Builder	Mitsubishi Heavy Industries, Hitachi, Nippon Sharyo, Kawasaki Heavy Industries Rolling Stock Company, Kisha Seizo
Build date	1914-1929
Total produced	672
Configuration:;
Specifications
Configuration:;
• Whyte	2-6-0
Gauge	1,067 mm (3 ft 6 in)
Leading dia.	940 mm (3 ft 1 in)
Driver dia.	1,600 mm (5 ft 3 in)
Minimum curve	940 mm (3 ft 1 in)
Length:;
• Over couplers	16,765 mm (55 ft 0 in)
Width	2,581 mm (8 ft 5.6 in)
Height	3,785 mm (12 ft 5.0 in)
Frame type	Plate
Loco weight	48.83 t (48.06 long tons; 53.83 short tons)
Tender weight	34.50 t (33.96 long tons; 38.03 short tons)
Cylinder size	470 mm (1 ft 7 in)
Valve gear	Walschaerts
Maximum speed
Performance figures
Maximum speed	90 km/h?
Power output	558kw（630hp） ?
Tractive effort	89.2kN
Operators
Career
Operators	JNR; JR Kyushu; Taiwan Railways
Number in class	672
Numbers	8620 - 88651, CT151 - CT192
Nicknames	Hachiroku, Mugen Train
Retired	1975
Preserved	21

The Class 8620 (8620形) is a type of 2-6-0 steam locomotive built in Japan from 1914 to 1929. It was Japan's first mass-produced passenger locomotive. A total of 672 Class 8620 locomotives were built. Originally they had a symmetry of line with shapely cast iron chimneys which gave way to plainer chimneys and smoke deflectors were added in later years.

A total of 42 Class 8620 locomotives were built for Imperial Taiwan Railway from 1919 to 1928. After World War II, they were taken over by Taiwan Government Railways, and were classified CT150.