JNR Class B20

The Class B20 is a type of 0-4-0T steam locomotive built for the Japanese Government Railways during the period 1944–47. They were built by Tateyama Heavy Industries who manufactured a total of fifteen Class B20 locomotives.

Class B20
B20 10
Type and origin Power type Steam Builder Tateyama Heavy Industries Build date 1944-1947 Total produced 15
Specifications Configuration: ​  • Whyte 0-4-0T Gauge 1,067 mm (3 ft 6 in) Driver dia. 860 mm (2 ft 10 in) Length 7,000 mm (23 ft 0 in) Loco weight 20.3 t (20.0 long tons; 22.4 short tons)
Performance figures Maximum speed 45 km/h (28 mph) Tractive effort 3,190 kgf (31.3 kN; 7,000 lbf)
Career Retired 1972 Disposition Two preserved, remainder scrapped

Preserved examples

• B20 1 - Iwamizawa, Hokkaidō^[1]
• B20 10 - At Umekoji Steam Locomotive Museum in Kyoto.^[2]

See also

• Japan Railways locomotive numbering and classification