| Shiptard / Year | Vickers and Maxim / 1899 | |
| Dead Weight | 4,822 | MT |
| Lenght | 105.2 | mtr |
| Breadth | 12.8 | mtr |
| Depth | 7.0 | mtr |
| Propulsion | Reciprocating triple expansión | |
| Power | 1.417 | H.P. | Speed | 12 | knots |
| Shiptard / Year | H.&C. Grayson / 1920 | |
| Dead Weight | 2,962 | MT |
| Lenght | 80.7 | mtr |
| Breadth | 12.5 | mtr |
| Depth | 5.7 | mtr |
| Propulsion | Reciprocating triple expansión | |
| Power | 1.100 | H.P. | Speed | 8.5 | knots |

| Shiptard / Year | H.&C. Grayson / 1921 | |
| Dead Weight | 2,962 | MT |
| Lenght | 80.7 | mtr |
| Breadth | 12.5 | mtr |
| Depth | 5.7 | mtr |
| Propulsion | Reciprocating triple expansión | |
| Power | 1.100 | H.P. | Speed | 8.5 | knots |