Above $1000

SLEIPNER SX100/185T-24V EXTERNAL STERN THRUSTER | 24V | TWIN PROPS | 220-255LB THRUST

The perfect external stern thruster solution for boats with restricted internal space, shallow drafts, or twin sterndrives. The Sleipner Side-Power SX100/185T-24V is a self-contained, externally mounted pod thruster designed for vessels from 35 to 55 feet. By mounting directly to the outside of the transom, the SX100 eliminates the need for extensive internal hull tunneling or complex engine room re-routing, making it a favorite for both retrofits and demanding modern builds.

The SX100 generates a formidable 220 lbs (100 kg) of thrust at a 21V nominal load, ramping all the way up to 255 lbs (116 kg) of thrust under a full 24V peak load to seamlessly square your stern up against tricky crosscurrents and heavy dockside winds.

Key Features:

• Hydrodynamic, Space-Saving External Pod: Positioned entirely outside the hull on the transom, the SX100 frees up vital internal storage and engine room volume. Its hydrodynamic casing ensures negligible drag and zero impact on sailing or cruising performance when under way.

• Patented Intelligent Power Control (IPC): Sleipner's advanced microprocessor-controlled system protects your thruster from mechanical wear and operator error. It enforces a minimal safety delay when switching drive directions, monitors solenoid function, and automatically halts the thruster in the rare event of a solenoid lock-in.

• Twin Counter-Rotating Q-Prop™ Propellers: Outfitted with dual, 5-blade composite skew propellers spinning in opposite directions. This twin-prop configuration packs maximum thrust density into a narrow 185mm (7.3") integrated tunnel while dropping noise and cavitation vibrations by up to 75%.

• Ignition Protected (ISO 8846) & Hermetically Sealed: Structurally sealed to meet rigorous ignition protection standards, making it completely safe for installation on the sterns of gasoline-powered vessels, near fuel ventilation paths, or in harsh saltwater environments.

• Complete Galvanic Separation: The internal drive components and motor elements are entirely isolated from the vessel's onboard electrical grounding system, completely removing the threat of stray-current galvanic corrosion eating away your underwater gear.

• Zero Maintenance Sealed Lubrication: Features a lifetime-lubricated gearhousing protected by a heavy-duty ceramic-on-carbon mechanical seal interface. This creates a definitive barrier against seawater intrusion, completely eliminating the need for periodic gear oil changes.

Specifications:

• Part Number: SX100/185T-24V

• Thrust Power (at 21V Nominal): 100 kg (220 lbs)

• Thrust Power (at 24V Peak): 116 kg (255 lbs)

• Motor Output (at 21V): 6.3 kW (8.4 HP)

• Typical Vessel Size: 35 to 55 Feet (11 to 17 meters)

• System Voltage: 24V DC

• Tunnel Inner Diameter: 185 mm (7.28'')

• Propulsion Type: Twin Counter-Rotating 5-Blade Q-Prop™

• Certifications: ISO 8846 (Ignition Protected), CE

Installation Advantage: Because the pod sits low on the transom, the SX100 achieves excellent water depth even on shallow-draft boats or vessels with limited transom height, maximizing thrust efficiency and preventing the propellers from sucking air (cavitation) during operation. Optional cowls are available to redirect airflow or shield the unit from sterndrive interference.

SLEIPNER SR80/185T RETRACTING THRUSTER KIT | 12V ON-OFF | 80KG/176LB | SR80/185T-12V

Take the anxiety out of docking with robust lateral power, zero cruising drag, and standard 12V convenience. The Sleipner Side-Power SR80 (SR80/185T-12V) is a premium, 12V retractable on-off thruster kit engineered specifically for performance sailboats, shallow-draft motor yachts, and vessels between 35 and 48 feet. Delivering a solid 80 kg (176 lbs) of lateral thrust, this unit folds completely flush into your hull when not in use, preserving your boat's raw speed, fuel efficiency, and hydrodynamic profile.

This comprehensive kit features an intelligent, fast-acting single actuator mechanism for smooth deployment and standard on-off single-speed control. It integrates seamlessly into your vessel's existing 12V house or dedicated thruster battery banks, offering a rugged, heavy-duty docking solution without the need for complex voltage converters.

Key Features:

• Retractable Flush-Mount Design: Drops down deep under the waterline for effortless docking maneuvers, and folds safely back up into the hull while cruising—completely eliminating underwater resistance and speed-robbing drag.

• 80 kg (176 lbs) of Pushing Power: Provides robust, reliable docking assistance to easily pivot your bow or stern against stubborn crosswinds or tight marina currents.

• 12V Drop-In Compatibility: Connects directly into standard 12V marine electrical systems, delivering serious docking muscle without requiring complex voltage step-up series or an independent 24V battery bank.

• Deep Waterline Leverage: Because a retractable thruster deploys deeper into the water than a standard fixed tunnel thruster, it achieves maximum leverage and eliminates cavitation (drawing in surface air) for highly efficient, quieter operation.

• Twin Q-Prop™ Counter-Rotating Propellers: Outfitted with aerodynamically skewed composite twin propellers that maximize raw thrust output while drastically reducing cabin noise and vibration by up to 75%.

• Intelligent Power Control (IPC): Sleipner’s patented smart monitoring firmware protects your solenoids and mechanical gears by preventing instant direction changes and automatically cutting power if a fault is detected.

Specifications:

• Part Number: SR80/185T-12V

• Thrust Power: 80 kg (176 lbs) at 10.5V / 96 kg (212 lbs) at 12V

• Typical Vessel Size: 35 to 48 Feet (10 to 15 meters)

• System Voltage: 12V DC

• Tunnel Diameter: 185 mm (7.3'')

• Operation Type: Standard Single-Speed (On / Off)

• Propulsion Type: Twin Counter-Rotating Q-Prop™

Pro Tip: The 12V version of the SR80 is the ultimate high-power safety upgrade for standard 12V boats. Because retractable thrusters drop deeper under the waterline than a typical tunnel thruster, it achieves maximum leverage and performance out of your 12V system with significantly less tunnel noise.

SLEIPNER SRVP80 RETRACTABLE VERTICAL PROPORTIONAL 12V THRUSTER KIT | SRVP80/185T-12V

Achieve effortless docking precision without compromising your vessel's hydrodynamic performance. The Sleipner Side-Power SRVP80 (SRVP80/185T-12V) is a top-tier, vertically retracting 12V thruster kit engineered for sailboats, shallow-draft motor cruisers, and custom yachts where a permanent tunnel is not an option. Delivering a powerful 80 kg (176 lbs) of thrust, this unit drops straight down for docking and pulls back completely flush into the hull when underway, guaranteeing zero drag.

This premium kit comes equipped with S-Link™ Proportional Control, upgrading your boat from old-fashioned, full-blast "on/off" thrusters to smooth, variable-speed control. You can smoothly dial in the exact amount of power required to fight crosswinds or currents with whisper-quiet operation.

Key Features:

• Vertical Retraction System: Extends vertically downward to maximize water depth and leverage, then retracts straight up into the hull to preserve your boat's raw speed and efficiency.

• S-Link™ Proportional Control: Variable speed thrust allows you to give the boat a gentle, quiet nudge or apply full power when the wind picks up. This greatly reduces battery consumption and cabin noise.

• 80 kg (176 lbs) of Thrust: Offers robust and dependable lateral pushing power, perfectly suited for mid-sized coastal cruisers and performance sailing vessels.

• Cavitation-Resistant Depth: Because the vertical mechanism deploys deeper under the waterline than a traditional fixed tunnel thruster, it operates with maximum efficiency without drawing in surface air.

• Built-In Safety Protections: Outfitted with an automatic retraction timer if left idle, electronic overload monitoring, and mechanical lock protections.

• Twin Q-Prop™ Technology: Specialized composite twin counter-rotating propellers are aerodynamically skewed to reduce vibration and optimize raw thrust output.

Specifications:

• Kit Model/Part Number: SRVP80/185T-12V

• Thrust Power: 80 kg (176 lbs) at 10.5V / 96 kg (212 lbs) at 12V

• System Voltage: 12V DC (Ideal for standard 12V house banks)

• Tunnel Diameter: 185 mm (7.3'')

• Control System: S-Link™ Digital Bus

• Propulsion Type: Twin Counter-Rotating Q-Prop™

Pro Tip: The 12V version of the SRVP80 is the ultimate drop-in safety upgrade for boats with pre-existing 12V electrical systems. It delivers heavy-duty docking muscle without requiring you to install complex voltage step-up series or an independent 24V battery bank.

SLEIPNER E150 eVision PROPORTIONAL TUNNEL THRUSTER | 48V | 150KG/330LB THRUST | 215MM TUNNEL

Command mid-sized hulls with commercial-grade endurance, zero performance fade, and high-efficiency 48V brushless power. The Sleipner Side-Power E150/215T-48V is an advanced marine electric thruster engineered explicitly for motorboats, cruisers, and sailboats from 44 to 64 feet. This premium eVision series unit packs a precise 150 kg (330 lbs) of continuous variable thrust into a compact 8.46-inch (215mm) tunnel diameter.

At the heart of the E150 is a revolutionary 6-phase PMSM (Permanent Magnet Synchronous Motor) with an integrated motor inverter drive. By completely eliminating legacy mechanical brushes, this state-of-the-art system runs significantly cooler, draws just 210 Amps at peak 48V operation, and is up to 50% lighter and 40% more compact than traditional DC motors.

Key Features:

• Next-Gen Brushless PMSM Technology: Moving away from standard brushes to an automotive-grade, 6-phase Permanent Magnet Synchronous Motor means a near-infinite lifespan, zero carbon dust buildup, and maximum electrical-to-mechanical efficiency.

• Extended Runtimes & Active Cooling: Traditional DC thrusters overheat and force an automatic shutdown within a few minutes. The E150 utilizes an integrated smart inverter and active air-cooling system to safely stretch runtimes. If thermal boundaries are pushed, it seamlessly derates power slightly rather than shutting down completely.

• True Proportional Power (S-Link™ Ready): Replaces harsh, loud on/off blasting with fluid variable speed control via a CAN-bus network. Apply a quiet, metered 10% nudge to counter light harbor drift, or leverage the automated "Hold" function to single-handedly pin the boat against the slip while you safely handle mooring lines.

• Twin Counter-Rotating Q-Prop™ Propellers: Outfitted with 5-blade, aerodynamically skewed composite propellers spinning in opposite directions. This forces massive water velocity through the tight 215mm tunnel while reducing cabin cavitation noise and hull vibrations by up to 75%.

• Ignition Protected (ISO 8846) & Splash-Proof: Completely hermetically sealed, making it safe for installation in gasoline engine bays, fuel lockers, or moist bilge spaces where standard open-frame motors present safety hazards.

• Complete Galvanic Separation: The immersed drive gearleg is entirely isolated from the vessel's onboard 48V electrical grid. This breaks the electrical circuit, completely removing the threat of stray-current galvanic corrosion eating away your underwater gear.

• Zero Maintenance Sealed Lubrication: Features a lifetime-lubricated gearhousing protected by a heavy-duty ceramic-on-carbon mechanical seal interface, completely eliminating periodic gear oil changes.

Specifications:

• Part Number: E150/215T-48V

• Thrust Power: 150 kg (330 lbs) variable speed output (consistent at both 42V and 48V)

• Motor Output: 8.1 kW (10.9 HP)

• Typical Vessel Size: 44 to 64 Feet (14 to 20 meters)

• System Voltage: 48V DC

• Current Draw (Peak): 210 Amps

• Tunnel Inner Diameter: 215 mm (8.46'')

• Net Weight: 27 kg (59 lbs) — up to 50% lighter than traditional DC units in its class

• Control System: S-Link™ Digital CAN-Bus

• Certifications: ISO 8846 (Ignition Protected), CE, UKCA

Pro Tip: Weighing in at just 59 lbs (27 kg), the E150's exceptionally low weight and compact frame allow for much easier handling and flexible mounting configurations in tight bow compartments. Running on a 48V system means low amp draw, letting you run thinner and lighter cabling while reducing voltage drops.

SLEIPNER KIT: SXP50 EXTERNAL PRO THRUSTER | 12V PROPORTIONAL | 50KG/110LB THRUST | FITS UP TO 50MM TRANSOMS | SXP50-50MM-2

The world’s most compact external thruster, designed for standard hull profiles, limited bilge space, and absolute throttle precision. The Sleipner Side-Power SXP50 Kit (SXP50-50MM-2) is a specialized, 12V proportional external thruster engineered for boats from 27 to 37 feet where a traditional internal tunnel installation is physically impossible. This high-performance kit delivers a robust 50 kg (110 lbs) of lateral thrust and features a mounting configuration specifically optimized to bolt securely through transom or hull sections up to 50 mm (2 inches) in thickness.

Equipped with factory-standard S-Link™ Proportional Control (complete with the PPC520 DC speed controller), this system replaces crude, full-blast "on/off" switches with smooth, variable-speed throttle command. The unique "Hold" function lets you lock in a set thrust percentage, effortlessly pinning your boat safely against the dock or inside a lock while you manage mooring lines single-handedly.

Key Features:

• True Proportional Power (S-Link™): Variable speed capability gives you exact, metered power. It vastly reduces battery consumption and cabin noise by running only at the exact output percentage required.

• Standard 50mm Hull Configuration: Specifically engineered for standard single-skin fiberglass, aluminum, or steel transoms and swim platforms up to 50 mm thick, eliminating excess bolt overhang inside the bilge.

• Hermetically Sealed External Pod: The motor and internal drive are housed in a rugged, fully sealed, ignition-protected (IP) composite casing. This makes it completely waterproof and perfectly safe for installation near gasoline engines or fuel vapor zones (ISO 8846 and UL 1500 certified).

• Extended Run Times: Because the entire motor housing is completely submerged externally, it benefits from constant, highly efficient water cooling, allowing for significantly longer duty cycles per run than traditional internal thrusters.

• High-Leverage Efficiency: By mounting externally at the furthest possible point from the boat's pivot point, the SXP50 creates ideal mechanical leverage, achieving up to 40% higher efficiency than a conventional recessed internal tunnel setup.

• Pre-Installed Sacrificial Anodes: Complete with factory-installed anodes, ensuring immediate protection against galvanic corrosion right out of the box.

Specifications:

• Part Number: SXP50-50MM-2 (SXP50-12V-50MM)

• Thrust Power: 50 kg (110 lbs) at 10.5V / 62 kg (136 lbs) at 12V

• Typical Vessel Size: 27 to 37 Feet (8 to 11 meters)

• System Voltage: 12V DC

• Tunnel Inner Diameter: 140 mm (5.5'')

• Max Hull/Transom Thickness: 50 mm (2'')

• Control System: S-Link™ Digital Bus with PPC520 Controller Included

• Propulsion Type: 5-Blade Q-Prop™

Pro Tip: External thrusters completely bypass the need for intensive fiberglass or gelcoat tunnel glassing work. The SXP50 configuration requires only a few precisely drilled holes for the mounting bolts and wiring harness, radically speeding up retrofit installations on standard transoms.

SLEIPNER SE120/215T-24V SIDE-POWER TUNNEL THRUSTER | 24V | TWIN PROPS | 264-306LB THRUST

Take absolute control of your vessel with the proven industry standard for rugged, high-output docking power. The Sleipner Side-Power SE120/215T-24V is an exceptionally popular, heavy-duty DC electric tunnel thruster engineered for motor yachts, cruisers, and sailboats from 42 to 60 feet. Designed to deliver high thrust density within a compact footprint, this system bridges the gap by offering massive maneuvering power without requiring you to move up to a massive 250mm tunnel.

The SE120 utilizes a specialized high-torque 24V electric motor coupled to a ruggedized, underwater gearleg. It generates a formidable 264 lbs (120 kg) of thrust at 21V, ramping all the way up to 306 lbs (139 kg) of thrust under a full 24V load.

Key Features:

• Patented Intelligent Power Control (IPC): Sleipner's advanced microprocessor-controlled system protects your thruster from mechanical wear and operator error. It enforces a minimal safety delay when switching drive directions, monitors solenoid function, and automatically halts the thruster in the rare event of a solenoid lock-in.

• Twin Counter-Rotating Q-Prop™ Propellers: Features dual, 5-blade composite skew propellers spinning in opposite directions. This twin-prop configuration packs maximum thrust density into a tight 8.46-inch (215mm) footprint while dropping tunnel noise and hull vibrations by up to 75%.

• Complete Galvanic Separation: The immersed bronze gearleg is entirely isolated from the vessel's onboard electrical system. This breaks the electrical circuit, completely removing the threat of stray-current galvanic corrosion eating away your underwater gear.

• Zero Maintenance Sealed Lubrication: Features a lifetime-lubricated gearhousing protected by a heavy-duty ceramic-on-carbon mechanical seal interface. This creates a definitive barrier against seawater intrusion, completely eliminating the need for periodic gear oil changes.

• Overheat Protection Switch: An integrated thermal sensor monitors the internal temperature of the motor coils and automatically shuts the unit down if it hits unsafe thresholds, preventing terminal burnout.

• Flexible Angle Installation: The electric motor can be mounted at any angle on the tunnel, and the motor assembly itself can rotate 90 degrees on its bracket, allowing you to maximize space in narrow bow compartments.

Specifications:

• Part Number: SE120/215T-24V

• Thrust Power (at 21V Nominal): 120 kg (264 lbs)

• Thrust Power (at 24V Peak): 139 kg (306 lbs)

• Motor Output (at 21V): 6.4 kW (8.5 HP)

• Typical Vessel Size: 42 to 60 Feet (13 to 18 meters)

• System Voltage: 24V DC

• Tunnel Inner Diameter: 215 mm (8.46'')

• Average Current Draw: 340 to 375 Amps

• Recommended Fuse Size: ANL 325

• Propulsion Type: Twin Counter-Rotating 5-Blade Q-Prop™

• Net Weight: 34 kg (74 lbs)

SLEIPNER KIT: SXP50 EXTERNAL PRO THRUSTER | 12V PROPORTIONAL | 50KG/110LB THRUST | FITS UP TO 150MM TRANSOMS | SXP50-150MM-2

The world’s most compact external thruster, designed for thick hulls, limited bilge space, and absolute throttle precision. The Sleipner Side-Power SXP50 Kit (SXP50-150MM-2) is a specialized, 12V proportional external thruster engineered for boats from 27 to 37 feet where a traditional internal tunnel installation is physically impossible. This high-performance kit delivers a robust 50 kg (110 lbs) of lateral thrust and features an extended mounting thread setup specifically designed to bolt securely through transom or hull sections up to 150 mm (6 inches) in thickness.

Equipped with factory-standard S-Link™ Proportional Control (complete with the PPC520 DC speed controller), this system replaces crude, full-blast "on/off" switches with smooth, variable-speed throttle command. The unique "Hold" function lets you lock in a set thrust percentage, effortlessly pinning your boat safely against the dock or inside a lock while you manage mooring lines single-handedly.

Key Features:

• True Proportional Power (S-Link™): Variable speed capability gives you exact, metered power. It vastly reduces battery consumption and cabin noise by running only at the exact output percentage required.

• Extended 150mm Hull Configuration: Specifically engineered with longer structural mounting studs to accommodate thick composite hulls, cored transoms, or deep-aft swimming platforms up to 150 mm thick.

• Hermetically Sealed External Pod: The motor and internal drive are housed in a rugged, fully sealed, ignition-protected (IP) composite casing. This makes it completely waterproof and perfectly safe for installation near gasoline engines or fuel vapor zones (ISO 8846 and UL 1500 certified).

• Extended Run Times: Because the entire motor housing is completely submerged externally, it benefits from constant, highly efficient water cooling, allowing for significantly longer duty cycles per run than traditional internal thrusters.

• High-Leverage Efficiency: By mounting externally at the furthest possible point from the boat's pivot point, the SXP50 creates ideal mechanical leverage, achieving up to 40% higher efficiency than a conventional recessed internal tunnel setup.

• Pre-Installed Sacrificial Anodes: Complete with factory-installed anodes, ensuring immediate protection against galvanic corrosion right out of the box.

Specifications:

• Part Number: SXP50-150MM-2 (SXP50-12V-150MM)

• Thrust Power: 50 kg (110 lbs) at 10.5V / 62 kg (136 lbs) at 12V

• Typical Vessel Size: 27 to 37 Feet (8 to 11 meters)

• System Voltage: 12V DC

• Tunnel Inner Diameter: 140 mm (5.5'')

• Max Hull/Transom Thickness: 150 mm (6'')

• Control System: S-Link™ Digital Bus with PPC520 Controller Included

• Propulsion Type: 5-Blade Q-Prop™

Pro Tip: External thrusters completely bypass the need for intensive fiberglass or gelcoat tunnel glassing work. The SXP50 configuration requires only a few precisely drilled holes for the mounting bolts and wiring harness, radically speeding up retrofit installations.

SLEIPNER SEP30/125S VARIABLE SPEED TUNNEL THRUSTER | 12V | 30KGF/66LBF THRUST | 2HP | 125MM

Whisper-quiet docking control and proportional throttle precision packed into an ultra-compact, small-boat footprint. The Sleipner Side-Power SEP30/125S is a premium 12V variable-speed tunnel thruster designed specifically for boats from 20 to 28 feet. Delivering a dependable 30 kgf (66 lbf) of lateral thrust through a narrow, low-drag 125 mm (5-inch) tunnel, this unit features factory-standard S-Link™ Proportional Control. Instead of sudden full-blast "on/off" bursts that shake the boat and drain the batteries, it allows you to gently feed in the exact percentage of power required via a throttle joystick for pinpoint command over your bow or stern.

The energy-efficient 2 HP (1.5 kW) electric motor is optimized to squeeze maximum performance out of standard 12V marine batteries, making it the ultimate docking upgrade for compact cruisers, dayboats, and rigid inflatable boats (RIBs).

Key Features:

• True Proportional Power (S-Link™): Offers exact, metered variable speed control. Apply a gentle, quiet 10% nudge to smoothly hold position at the slip, or throttle up to 100% power to confidently fight crosswinds and tearing currents.

• Compact 125mm (5'') Tunnel Profile: Specifically engineered for smaller vessels or boats with narrow bow constraints where larger thruster tunnels physically will not fit.

• Maintenance-Free Sealed Gearleg: Features a factory-sealed gearhousing pre-filled with specialized lifetime gear oil. Mechanical ceramic-on-carbon seals ensure absolute water tightness, completely eliminating the need for periodic gear oil changes.

• 5-Blade Q-Prop™ Skew Propeller: Outfitted with an aerodynamically skewed composite single propeller that maximizes water flow velocity while reducing cabin cavitation noise and hull vibration by up to 75%.

• Intelligent Power Control (IPC): Sleipner’s patented smart monitoring firmware protects the internal relays, preventing instant directional shifts and automatically cutting power if an electrical fault or overheating occurs.

• Intelligent "Hold" Function: When paired with a proportional control panel, you can press the "Hold" button to lock in a specific thrust percentage—letting the thruster safely hold the boat against the dock single-handedly while you step off to secure mooring lines.

Specifications:

• Part Number: SEP30/125S

• Thrust Power: 30 kgf (66 lbf) at 10.5V / 37 kgf (82 lbf) at 12V

• Motor Output: 1.5 kW (2.0 HP) at 10.5V

• Typical Vessel Size: 20 to 28 Feet (6 to 8.5 meters)

• System Voltage: 12V DC

• Tunnel Diameter: 125 mm (4.92'')

• Control System: S-Link™ Digital Bus (Variable Speed)

• Propulsion Type: Single 5-Blade Q-Prop™

Pro Tip: Proportional thrusters run much longer and quieter than standard on/off models. By running the SEP30 at 30–40% power, you can comfortably hold your vessel against a dock or lock wall for extended periods without risking the rapid overheating common in old-school thrusters.