Sleipner Overview All / Thruster Packages / Sail Stern Thruster All Thruster Packages Sail Bow Thruster Sail Stern Thruster Power Bow Thruster Power Stern Thruster AC Thrusters DC Thrusters Hydraulic Thrusters Electrical Components Spares Tunnels and Flanges Upgrade Kits SX35 50mm Sail Boat External Stern Thruster £3,591.07 Add To Cart SX35 150mm Sail Boat External Stern Thruster £3,830.58 Add To Cart SX50 50mm Sail Boat External Stern Thruster £4,670.04 Add To Cart SX50 150mm Sail Boat External Stern Thruster £4,784.41 Add To Cart