| Displacement | 1139t surface, 1420t submerged |
|---|---|
| Length | 78.8m pp |
| Width | 7.0m |
| Draught | 4.6m |
| Machinery | 2-shaft diesel-electric, 2700bhp surface, 5960shp submerged |
| Speed | 13kt surface, 19kt submerged |
| Range | 10,000nm/10kt |
| Armament | 4-533mm TT |
| Complement | 65 |
| Number | Name | Plan | Builder | Laid down | Launch | Complete | ||
|---|---|---|---|---|---|---|---|---|
| SS-511 | Oyashio | FY1956 | Kawasaki, Kobe | 1957.12.25 | 1959. 5.25 | 1960. 6.30 | Submarine | (Kure district) 1962. 8. 1 (Subron1, Kure district) 1963. 3.31 (Subron1, SDF) 1965. 2. 1 (Subron2, SFlotilla1, SDF) 1975. 3.31 (SFlotilla1, SDF) 1976. 9.30 disc |