| Her main specifications were: | 
 
 
| Length: 110.0 mtr  -  Breadth: 14.8 mtr  -  Depth: 9.3 mtr  -  Máximum draft: 6.4 mtr | 
 
 
| 5,010 DWT  -  4,358 MT Load  -   7,165 MT Displacement  -  3,169 GRT  -  1,483 NRT | 
 
 
| Propulsion: Diesel engine Burmeister & Wain 550-VBF-90 - 2,870 HP - 5 Cylinders x 500 mm bore x 900 mm stroke | 
 
 
| Propulsion until 1963: 2 MAN M9V40/46 engines - 3,200 H.P. from the German submarine U-167 | 
 
 
| Consumption: 14 MT/day gasoil - Bunker capacity: 350 MT - Sea trial speed: 14 knots | 
 
| 2 Auxiliary engines MTM (Maquinista Terrestre y Marítima) - 200 kW + 1 Deutz - 220 VDC | 
 
| The original auxiliary engines were ASTANO, but their performance and maintenance were very bad. On 1965 they were changed to MTM. |