The ship had four direct-drive Parsons steam turbine sets, each of which drove a propeller in diameter. They were powered by twelve Babcock & Wilcox water-tube boilers. The turbines were designed to produce a total of but achieved only during "Arizona"s sea trials, when she met her designed speed of . However, she did manage to reach during a full-power trial in September 1924. She was designed to normally carry of fuel oil but had a maximum capacity of . At full capacity, the ship could steam at a speed of for an estimated with a clean bottom. She had four turbo generators.