Above $1000

SLEIPNER E300 eVision PROPORTIONAL TUNNEL THRUSTER | 48V | 300KG/661LB THRUST | 300MM TUNNEL

Command luxury vessels with unmatched commercial-grade endurance, zero performance fade, and raw 48V brushless power. The Sleipner Side-Power E300/300TC-48V is an advanced marine electric thruster engineered explicitly for large luxury yachts, motor cruisers, and commercial crafts from 60 to 90 feet, delivering a commanding 300 kg (661 lbs) of continuous variable thrust out of an 11.81-inch (300mm) tunnel.

At the heart of the E300 is a revolutionary 6-phase PMSM (Permanent Magnet Synchronous Motor). By completely eliminating old-fashioned mechanical brushes and implementing an integrated motor inverter drive, this state-of-the-art eVision series thruster runs cooler, is significantly lighter and more compact than traditional DC motors, and achieves industry-leading runtimes.

Key Features:

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

• Industry-Leading Runtimes & Active Cooling: Traditional DC thrusters overheat and force an automatic shutdown within a few minutes. The E300 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™): Replaces harsh, loud on/off blasting with fluid variable speed control via a CAN-bus network. Apply a quiet, metered 15% nudge to counter light harbor drift, or leverage the automated "Hold" function to single-handedly pin the yacht 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 300mm 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: E300/300TC-48V

• Thrust Power: 300 kg (661 lbs) variable speed output

• Typical Vessel Size: 60 to 90 Feet (18 to 27 meters)

• System Voltage: 48V DC

• Tunnel Inner Diameter: 300 mm (11.81'')

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

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

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

Pro Tip: The E300's ultra-lightweight and compact footprint makes handling and alignment during bow or stern installation a breeze compared to old legacy units. It integrates beautifully with modern 48V house banks and hybrid marine power centers, minimizing heavy cabling requirements while maintaining consistent power output even as battery voltage fluctuates.

SLEIPNER E350 eVision PROPORTIONAL THRUSTER | 48V | 350KG/770LB | HEAVY DUTY BODY ONLY | E350/300TC-HDB

The ultimate heavy-duty drop-in core component for mega-yacht refits, modular upgrades, or direct replacement. The Sleipner E350/300TC-HDB is a "Heavy Duty Body" (HDB) configuration of the flagship eVision 48V proportional thruster series. Engineered for massive continuous variable thrust in luxury vessels and commercial craft from 62 to 98 feet, this unit includes the cutting-edge 6-phase PMSM (Permanent Magnet Synchronous Motor), integrated variable-speed motor drive controller, and the DNV-type-approved gearleg assembly.

⚠️ IMPORTANT NOTE: This is an "HDB" (Heavy Duty Body Only) package. It is designed for retrofits, component swaps, or custom builds where the structural 300mm fiberglass tunnel, S-Link™ CAN-bus network cables, and helm joysticks are already present or sourced separately.

Key Features:

• EVision Brushless PMSM Core: By eliminating performance-fading brushes and utilizing an electric-vehicle-grade Permanent Magnet Synchronous Motor, the E350 outputs up to 22 kW (29 HP) of pure variable-speed power with near-zero friction or internal maintenance.

• Heavy Duty (HD) Commercial Grade Engineering: The "HDB" version utilizes a ruggedized, DNV-certified submerged gearhouse built to withstand continuous operational loading, making it ideal for heavier displacement hulls or high-duty-cycle yachts.

• Continuous Performance Runtimes: Unlike traditional DC motors that heat up and shut off within minutes, the integrated active air cooling and smart inverter allow the E350 to run continuously. If thermal boundaries are pushed, it seamlessly derates power slightly rather than shutting down.

• True Proportional Control (S-Link™ Ready): Built to plug directly into your vessel's existing S-Link™ CAN-bus network. Experience absolute precision over your hull, using a gentle 15% thrust nudge for calm docking or leveraging the automated "Hold" function to pin the yacht single-handedly against a slip.

• Galvanic Isolation Shielding: The immersed gearleg is 100% structurally and electrically isolated from the onboard 48V electrical grid. This breaks the electrical circuit, entirely eliminating the risk of stray-current galvanic corrosion eating away at your hull gear.

• Twin Counter-Rotating Q-Prop™ Setup: Features aerodynamically skewed, 5-blade composite twin propellers moving in opposing directions. This forces massive volume through a 300mm tunnel while dropping cabin cavitation noise and hull vibrations by up to 75%.

• Zero Lifetime Maintenance Gearleg: Sealed with a high-grade mechanical carbon/ceramic interface that keeps seawater out and factory-grade lubrication in, eliminating the need for periodic gear oil changes.

Specifications:

• Part Number: E350/300TC-HDB

• Thrust Power: 350 kg (771 lbs) continuous at both 42V and 48V

• Motor Output: 22.00 kW (29 HP)

• Target Vessel Class: 62 to 98 Feet (19 to 30 meters)

• System Voltage: 48V DC

• Required Tunnel ID: 300 mm (11.81'')

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

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

• Waterproof Rating: IPx7 Rated Drive Enclosure

SLEIPNER KIT: SXP35 EXTERNAL PRO THRUSTER | 12V PROPORTIONAL | 35KG/77LB THRUST | FITS UP TO 50MM TRANSOMS | SXP35-50MM-2

Ultra-compact lateral power designed for standard hull profiles, limited interior bilge space, and absolute throttle precision. The Sleipner Side-Power SXP35 Kit (SXP35-50MM-2) is a specialized, 12V proportional external thruster engineered for smaller motorboats, tenders, and performance daysailers up to 32 feet where a traditional internal tunnel installation is physically impossible. This ultra-efficient kit delivers 35 kg (77 lbs) of dependable 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" buttons 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 control. Feed in a gentle, whisper-quiet nudge for minor docking corrections or dial it up to full throttle for maximum command in tricky crosscurrents.

• 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 SXP35 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: SXP35-50MM-2 (SXP35-12V-50MM)

• Thrust Power: 35 kg (77 lbs) at 10.5V / 43 kg (95 lbs) at 12V

• Typical Vessel Size: Up to 32 Feet (9.5 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 SXP35 configuration requires only a few precisely drilled holes for the mounting bolts and wiring harness, radically speeding up retrofit installations on standard transoms.

SLEIPNER SRP100/185T RETRACTING PROPORTIONAL THRUSTER 12V | 100Kg/220LB | SRP100/185T-12V

Command total docking control and seamless hydrodynamic efficiency with the ultimate retracting bow/stern thruster. The Sleipner Side-Power SRP100/185T is a premium, 12V retracting thruster engineered specifically for sailing yachts and motor cruisers where a standard tunnel installation is impossible or causes unacceptable hull drag. Delivering a powerful 100 kg (220 lbs) of thrust, this unit folds completely flush into your hull when not in use, preserving your boat's raw speed and performance.

Equipped with factory-standard S-Link™ Proportional Control, this system allows you to feed in precisely the right amount of power to counteract crosswinds and strong currents—making tight marina docking stress-free.

Key Features:

• True Proportional Power (S-Link™): Say goodbye to simple "on/off" full-blast thrusters. Precision variable speed control gives you exact, metered power for whisper-quiet and incredibly accurate maneuvering.

• Retractable Flush-Mount Design: Drop down for docking, fold up for cruising. Preserves perfect hull hydrodynamics, eliminating drag for performance-minded sailors and fast motor yachts.

• 100 kg (220 lbs) Continuous Performance: Provides robust, reliable pushing power, perfectly suited for mid-to-large-sized vessels needing heavy-duty docking assistance.

• Ignition Protected (IP) Option Capability: Built with a fully sealed mechanical housing, making it highly safe for installation in fuel-vapor areas like gasoline engine rooms or stern compartments.

• Intelligent Safety Features: Features built-in mechanical locking, electronic overload protection, and an auto-retraction safety timer if the system is left idle.

• Twin Q-Prop™ Counter-Rotating Propellers: The composite twin propellers deliver maximum thrust efficiency while significantly reducing cavitation noise compared to traditional single-prop units.

Specifications:

• Part Number: SRP100/185T-12V

• Thrust Power: 100 kg (220 lbs) at 10.5V / 116 kg (255 lbs) at 12V

• System Voltage: 12V DC

• Tunnel Diameter: 185 mm (7.3'')

• Control System: S-Link™ Digital Bus

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

Pro Tip: Retractable thrusters are the gold standard for modern performance sailboats and shallow-draft vessels. Because the thruster drops deeper under the waterline than a typical tunnel thruster, it achieves maximum leverage and efficiency with significantly less noise.

SLEIPNER E170 eVision PROPORTIONAL TUNNEL THRUSTER | 48V | 170KG/374LB THRUST | 250MM TUNNEL

Command mid-to-large luxury vessels with unmatched commercial-grade endurance, zero performance fade, and raw 48V brushless power. The Sleipner Side-Power E170/250TC-48V is an advanced marine electric thruster engineered explicitly for motor yachts, cruisers, and sailboats from 50 to 70 feet, delivering a precise 170 kg (374 lbs) of continuous variable thrust out of a 9.83-inch (250mm) tunnel footprint.

At the heart of the E170 is a revolutionary 6-phase PMSM (Permanent Magnet Synchronous Motor). By completely eliminating old-fashioned mechanical brushes and integrating the motor inverter drive directly into the unit, this state-of-the-art eVision series thruster runs significantly cooler, draws just 200 Amps at peak 48V operation, and achieves industry-leading runtimes that legacy DC motors simply cannot compete with.

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 E170 utilizes an integrated smart inverter and an 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 yacht 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 250mm 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: E170/250TC-48V

• Thrust Power: 170 kg (374 lbs) variable speed output (consistent at both 42V and 48V)

• Motor Output: 7.3 kW (9.9 HP) to 8.1 kW (10.9 HP)

• Typical Vessel Size: 50 to 70 Feet (15 to 22 meters)

• System Voltage: 48V DC

• Current Draw (Peak): 200 Amps

• Tunnel Inner Diameter: 250 mm (9.83'')

• Net Weight: 30 kg (66 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: Thanks to the highly efficient 48V layout and brushless inverter architecture, the E170 tips the scales at just 66 lbs (30 kg). This makes it up to 50% lighter and 40% more compact than previous-generation thrusters in this power band, drastically simplifying installation layouts in tighter bow sections.

SLEIPNER SEP25/110S VARIABLE SPEED TUNNEL THRUSTER | 12V | 25KGF/55LBF THRUST | 2HP/1.5KW | SINGLE PROP

Whisper-quiet docking authority and proportional throttle precision for smaller vessels with tight structural constraints. The Sleipner Side-Power SEP25/110S is a premium 12V variable-speed tunnel thruster designed specifically for compact powerboats, center consoles, and day cruisers up to 24 feet. Delivering a dependable 25 kgf (55 lbf) of lateral thrust at its nominal 10.5V performance rating—and ramping up to a punchy 30 kgf (66 lbf) at a full 12V—this micro-sized powerhouse utilizes an ultra-low profile 110 mm (4.33-inch) tunnel diameter. Equipped with factory-standard S-Link™ Proportional Control, it replaces old-fashioned, blast-only "on/off" switches with smooth, variable speed joystick command.

The purpose-built 2 HP (1.5 kW) electric motor handles precision positioning effortlessly, giving small-boat owners commercial-grade docking confidence without overloading compact 12V battery banks.

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.

• Micro 110mm (4.33'') Tunnel Profile: Sleipner's most compact tunnel profile. Specially engineered to easily fit into extremely narrow bows or shallow drafts where a traditional thruster setup would be physically impossible.

• Maintenance-Free Sealed Gearleg: Features a factory-sealed gearhousing pre-filled with specialized lifetime gear oil. High-precision ceramic-on-carbon mechanical seals ensure absolute water tightness, completely eliminating regular gear oil changes.

• Ultra-Quiet Single 5-Blade Q-Prop™: Outfitted with an aerodynamically skewed composite single propeller that cuts cavitation noise by up to 75% while squeezing maximum thrust and energy efficiency out of its compact housing.

• 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 lines.

• Complete Galvanic Separation: The drive leg assembly features full insulation from the electric motor via specialized composite composite bushings, protecting underwater gear from harmful stray current and galvanic corrosion.

Specifications:

• Part Number: SEP25/110S

• Thrust Power: 25 kgf (55 lbf) at 10.5V / 30 kgf (66 lbf) at 12V

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

• Typical Vessel Size: Up to 24 Feet (Up to 7.3 meters)

• System Voltage: 12V DC

• Tunnel Inner Diameter: 110 mm (4.33'')

• 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 SEP25 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.