| Shipyard / Year | Euskalduna / 1914 | |
| Dead Weight | 6,990 | MT |
| TRB | 4,313 | |
| Length | 114.6 | mtr |
| Breadth | 15.3 | mtr |
| Depth | 8.5 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,450 | H.P. |
| Bought | 1959 | |
| Sold | 1973 | |
| Shipyard / Year | Nervión-Sestao / 1917 | |
| Dead Weight | 5,050 | MT |
| TRB | 3,627 | |
| Length | 102.5 | mtr |
| Breadth | 14.4 | mtr |
| Depth | 7.6 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 1,280 | H.P. |
| Bought | 1962 | |
| Scrapped | 1965 | |
