Side-Power's new range of proportional speed control DC thrusters allow you to select the power you need for precise boat movements in any weather & sea conditions. The unique hold feature allows you to keep the boat in position at dock or in locks. Side-Power SE Series 100kg Sealed gearleg Power: 6.3kW at 21 Volts Internal Tunnel Diameter: 185mm Propulsion System: Twin, 5-Blade Boat Size: 40 to 56' Battery Capacity: 760 CCA SAE