 Her steam turbines had taken her to a record breaking total of 2,622,858 miles in 18 years.During the ship's 1986 to 1987 refit, the steam turbines were removed and replaced with nine German MAN 9L58/64 nine-cylinder, medium-speed diesel engines, each weighing approximately 120 tons.Using a diesel-electric configuration, each engine drives a generator, each developing 10.5 MW of electrical power at 10,000 volts.