Each submarine is equipped with three Garden Island-Hedemora HV V18b/15Ub (VB210) 18-cylinder diesel engines, which are each connected to a 1,400 kW, 440-volt DC Jeumont-Schneider generator. The electricity generated is stored in batteries, then supplied to a single Jeumont-Schneider DC motor, which provides 7,200 shaft horsepower to a single, seven-bladed, diameter skewback propeller. The "Collins" class has a speed of when surfaced and at snorkel depth, and can reach underwater. The submarines have a range of at when surfaced, at at snorkel depth. When submerged completely, a "Collins"-class submarine can travel at maximum speed, or at . Each boat has an endurance of 70 days.