 Steam for the turbines was provided by 23 Blechynden water-tube boilers, seven of which burned oil and the remaining sixteen burned a mixture of oil and coal.The boilers were widely separated in two compartments, each with two funnels, and the turbines were positioned between the two center turrets.Designed to reach a maximum speed of from , "Dante Alighieri" failed to reach this goal on her sea trials, making a maximum speed of only from .