SEMT Pielstick
"Somme" has a standard displacement of and at full load. The oiler is long overall and between perpendiculars with a beam of and a draught of empty and at full load. "Somme" is powered by two SEMT Pielstick 16 PC2.5 V 400 diesel engines turning two LIPS controllable pitch propellers rated at . The vessel has a maximum speed of and a range of at .