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.

Power typeSteam

Power typeSteam

BuilderTateyama Heavy Industries

Build date1944-1947

Quick facts Class B20, Type and origin ...

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

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