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Similar Kamogawa Maru (1938), Keiyo Maru (1937), Sinko Maru (1935), Tamagawa Maru (1938), Yamagiri Maru (1938), Yamazuki Maru (1937), Yodogawa Maru (1938) and Zenyo Maru (1937). Owner in 1939 Toyo Kaiun Maru K.K., Tokyo, Japan. Laid down by Mitsubishi Jukogyo K.K., Yokohama, Japan on 27 September 1938, launched on 16 February 1939, completed on 5 April 1939, requistioned by the navy on 2 September 1941, converted into a collier annex oiler by the Mukojima Dock K.K. shipyard between 2 September-15 October 1941, torpedoed and sunk by the American submarine USS Grayback (SS-208) north east of Manus, Admiralties on 11 May 1942 and stricken on 15 July 1943. Gross tonnage 6,441 tons, under deck 5,757 tons, net tonnage 4,832 and as dimensions 436/4 x 58.3 x 32.0 x 9.6 (light)-26 (loaded) feet. Horsepower 1,165nhp/4,700 bhp, one screw, 110rpm=14 knots, 1333rpm=17 knots, fuel oil bunker capacity including deep tanks 2,700 tons, range 47,000 nautical miles/14 knots and speed 14/15(normal cruising)-17-19 (maximum) knots.
