Imperial Government Railways / Nippon 0-6-0 Locomotives in Japan

Class H/Zenko (Locobase 7620)

Data from the Kotsu Hakubutsukan Japanese transportation museum site [], last accessed 3 July 2006. See also [] and the Japanese-language blogging site [] and []. Works numbers were 431, 435

The museum site says that this inside-cylinder saddle-tanker, a rarely used type in Japan, was unloaded near the Zenko temple in Kawaguchi and acquired its name accordingly. At first used in pulling work trains during the construction of the Ueno-Takasaki section of the railway. Train load was rated at 124 tons up a 1% grade at 20 mph. Described as a "ballast engine", which means it pulled trainloads of rock to renew track ballast for the maintenance-of-way crew.

1290 lasted long enough to be reclassed. In 1958, #1291 of this class was declared a national historical monument and preserved.

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Class I/B3/1100 (Locobase 10931)

Data from [] and the Japanese-language blogging site [] and [].

The diagram shows that 6 were built by Nasmyth Wilson and one by Beyer Peacock; there were likely to have been others. Trailing load rated at 180 tons up a 1% grade at 20 mph.

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Class U/E1/7030 (Locobase 11037)

Data from [] and the Japanese-language blogging site [] and []. Kitson built 2 of the locomotives and 4 from Vulcan Foundry (these were works numbers 742-745).

Trailing load of 197 tons up a 1% grade at 20 mph and 98.5 tons up a 2 1/2% grade at 20 mph.

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Class YZ / 1850 (Locobase 11038)

Data from [] and the Japanese-language blogging site [] and []. Dubs and Company supplied 14 of the engines and Kitson and Company produced 8.

Trailing load of 218 tons up a 1% grade at 20 mph and 109 tons up a 2 1/2% grade at 20 mph.

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Class unknown (Locobase 20485)

Data from the Tyne and Wear Archives at [], last accessed 4 November 2018. Works numbers were 2892-2900