| Name: | UNNAMED CAISSON for Japan |
| Type: | Caisson |
| Launched: | |
| Completed: | 1899 |
| Builder: | CS Swan & Hunter Ltd |
| Yard: | Wallsend |
| Yard Number: | 241 |
| Dimensions: | 240grt |
| Engines: | n/a |
| Engines by: | n/a |
| Propulsion: | n/a |
| Construction: | Steel |
| Reg Number: | n/a |
| History: | |
| 1898 | Japanese Government |
| No further history known | |
| Comments: | For use at a dry dock at Uraga |
| No record of a launch so probably shipped in parts |