Kisha Seizo Co., Ltd. was a Japanese manufacturer of railway rolling stock that existed from 1896 to 1972.1896: Established by Masaru Inoue as the Kisha Seizo Joint Stock Company . 1899: Factory opened in Osaka. 1901: Merged with the Hiraoka Factory , a coach and car maker in Tokyo. The two plants were reorganized as the Osaka Head Office and the Tokyo Branch. 1912: Becomes Kisha Seizo Co., Ltd. (汽車製造株式会社) after corporate restructuring. 1936: Head office moved to Tokyo; Osaka Head Office becomes Osaka Branch. 1944: The two branches (factories) renamed Osaka Works and Tokyo Works respectively. 1968: Construction of railway wagon factory in Utsunomiya. 1972: Merged with Kawasaki Heavy Industries.

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.