| Displacement | 11,800t standard |
|---|---|
| Length | 143.7m pp |
| Width | 19.5m |
| Draught | 7.8m |
| Machinery | 2-shaft geared turbine, 4 boilers, 7500shp |
| Speed | 20kt |
| Armament | 2-75mm AA gun, 10-75mm field gun, 20 aircraft, 20 Daihatsu landing craft |
| Complement | ? |
| Name | Plan | Builder | Laid down | Launch | Complete | |
|---|---|---|---|---|---|---|
| Akitsu-maru | Harima SB | 1939 | 1941 | 1942. 1 | 1944.11.15 sunk (torpedoed, Korean Strait) [33.17N, 128.11E] | |
| Nigitsu-maru | Harima SB | 1941 | 1942 | 1943. 3 | 1944. 1.12 sunk (torpedoed, off Okino-Daito I.) [23.15N, 132.51E] |