 In 1966, the prefix "South African" on all Safmarine's ships was changed to "S.A." In the engine rooms there were two Babcock & Wilcox water-tube boilers supplying superheated steam to two Westinghouse turbines geared down to a single shaft, giving and a speed of .For electrical power, two steam turbines drove DC generators.The next four sister ships to be brought into service were "South African Trader", "South African Pioneer", "South African Transporter" and "South African Merchant".