FUJISAN MARU was completed in 1931. Along with TEIYO MARU, built by Yokohama Dockyard the same year, FUJISAN MARU was the first high speed tanker built for the Japanese merchant navy with the capability of being used as a fleet oiler. Her diesel engine was built by M. A.N. of Germany. In November 1941, she was requisitioned by the IJN and converted to an auxiliary fleet oiler. In February1944, FUJISAN MARU was bombed and sunk at Truk anchorage, Carolines by Task Force 58's aircraft during "Operation Hailstone".