Hiro is a wise Japanese engine, who was famously known as the "Master of the Railway".
Hiro is a Japanese National Railways (JNR) Class D51 built by Kawasaki. However, Hiro runs on standard gauge track, while the real D51 engines were built for 3'6" gauge (Cape gauge).
Hiro is painted black with gold boiler bands and fittings and red wheels. His name is written in black on gold nameplates on his smoke deflectors. He has the number "51" painted on the sides of his tender in white.
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