| Displacement | 8150t standard, 15,850t full load |
|---|---|
| Length | 167m oa |
| Width | 22m |
| Draught | 8.2m |
| Machinery | 2-shaft diesel, 23950bhp |
| Speed | 22kt |
| Armament | none |
| Sensor | Radar: OPS-18 |
| Complement | 140 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| AOE-422 | Towada | FY1984 | Hitachi, Maizuru | 1985. 4.17 | 1986. 3.25 | 1987. 3.24 | Supply ship | (SDF) 1995. 3.16 (EF, SDF) 2006. 4. 3 (1st supply unit, EF, SDF) |
| AOE-423 | Tokiwa | FY1987 | IHI, Tokyo | 1988. 5.12 | 1989. 3.23 | 1990. 3.12 | Supply ship | (SDF) 1995. 3.16 (EF, SDF) 2006. 4. 3 (1st supply unit, EF, SDF) |
| AOE-424 | Hamana | FY1987 | Hitachi, Maizuru | 1988. 7. 8 | 1989. 5.18 | 1990. 3.29 | Supply ship | (SDF) 1995. 3.16 (EF, SDF) 2006. 4. 3 (1st supply unit, EF, SDF) |