Commissioned in 1941, the YAMABIKO MARU was converted to a repair ship from a passenger steamer. Her main operating base was at Rabaul. The YAMABIKO MARU was torpedoed and sunk off the Bonins in January 1944.
| Builder and Year Completed: | Uraga Dock Yard, Tokyo, 1937. |
| Displacement: | 6,795-tons. |
| Dimensions: | 442' x 59’ x 34’ |
| Armament: | 2 x 120-mm (4.7-inch) guns. 1 x 12-mm, 2-7.7-mm MGs. |
