| Shipyard / Year | Permanent Metals / 1943 | |
| Name | R. F. Peckham | |
| Owner / Year | Fernando Pereda Aparicio / 1952 | |
| Name | Rio Tajo | |
| Dead weight | 11,317 | MT |
| Gross register | 7,696 | GRT |
| Length | 139.7 | mtr |
| Breadth | 17.4 | mtr |
| Depth | 8.7 | mtr |
| Propulsion | Reciprocating triple expansion | |
| Power | 2,500 | H.P. |
| Speed | 11 | knots |
| Bought | 1962 | to |
| Owner | Fernando Pereda Aparicio | |
| Name | Rio Tajo | |
| Sold | 1967 | to |
| Owner | MARCOSA | |
| Name | Rio Tajo | |
| Owner / Year | Naviera de Cantabria / 1975 | |
| Name | Rio Tajo | |
| Scrapped | Santander - 1976 | |
| Shipyard / Year | Euskalduna / 1967 | |
| Dead weight | 14,908 | MT | Gross register | 8,300 | GRT |
| Length | 134.7 | mtr |
| Breadth | 12.0 | mtr |
| Depth | 9.6 | mtr |
| Propulsion | Euskalduna - MAN K7Z70/120E | |
| Power | 9,800 | H.P. | Speed | 16.5 | knots | Sold | 1970 | to |
| Owner | Jadranska Slobodna / Yugoslavia | |
| Name | Mogor | |
| Name / Year | Banglar Asha / 1973 | Scrapped | 1999 - Chittagong (Bangladés) |
Spanish version
