Above $1000

SLEIPNER SRL80 RETRACTABLE THRUSTER | 90° LOW-PROFILE MOTOR | 12V ON-OFF | 80KG/176LB | SRL80/185T-12V

Maximize your docking control in tight spaces without compromising vertical cabin or locker storage. The Sleipner Side-Power SRL80 (SRL80/185T-12V) is a robust, 12V retractable on-off thruster engineered specifically for vessels between 35 and 48 feet. Featuring a specialized 90-degree angled motor design with high-grade bevel gears, this "Low-Profile" model fits into shallow hull compartments, under-berth lockers, or tight floorboards where traditional straight-vertical thruster housings simply cannot clear.

Designed for flange-mounting, the thruster unit sits securely inside a structural casing that bolts easily to a base. This setup simplifies installation and provides a clean, ultra-low footprint while delivering a dependable 80 kg (176 lbs) of docking power on a standard 12V system.

(Note: This SKU contains the mechanical thruster unit and motor assembly; it does not include the installation outer frame or mold-in flange base).

Key Features:

• 90-Degree Low-Profile Design: Angled motor assembly drastically reduces overall installation height, making it the premier choice for shallow bow sections or space-restricted locker compartments.

• 12V System Integration: Seamlessly connects to your vessel's existing 12V house or dedicated thruster battery banks, eliminating the need for complex voltage converters or step-up systems.

• Zero-Drag Hydrodynamics: Deploys rapidly with a powerful, fast-acting single actuator when docking, and pulls completely flush into the hull when underway to eliminate water resistance and maximize hull speed.

• Flange-Mounted Configuration: The core thruster unit is enclosed in a bolt-down casing, making installation simpler on steel, aluminum, fiberglass, or wood hulls.

• Twin Q-Prop™ Counter-Rotating Propellers: Outfitted with aerodynamically skewed 5-blade twin propellers that deliver up to a 75% reduction in cavitation noise while maximizing lateral pushing power.

• Intelligent Power Control (IPC): Sleipner’s patented smart monitoring system provides a minimal delay between drive directions to protect mechanical gears and automatically cuts power in the event of a solenoid fault or lock-up.

Specifications:

• Part Number: SRL80/185T-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)

Important Buyer Note: This unit does not include the outer mounting frame/base flange. It is designed as a direct replacement component or for custom projects where the flange base is supplied separately or constructed by the boat builder.

SLEIPNER SEP80/185T-1IP PROPORTIONAL TUNNEL THRUSTER | 12V | 80KG/176LB | IGNITION PROTECTED

Take total control of your vessel with throttle-exact docking precision in a fully sealed, ignition-protected package designed for standard 12V grids. The Sleipner Side-Power SEP80/185T-1IP is a premium 12V proportional tunnel thruster engineered for boats from 35 to 48 feet, delivering a dependable 80 kg (176 lbs) of lateral thrust. Unlike standard on-off thrusters that blast at 100% power every time, this S-Link™ Proportional unit allows you to gently dial in power via a throttle joystick, providing whisper-quiet, pinpoint control over your bow or stern.

The IP (Ignition Protected) rating means the electric motor is hermetically sealed inside a specialized composite housing. This configuration safely contains any internal electrical sparks, making it legally compliant and completely safe for installation in gasoline engine compartments, fuel tank lockers, or highly humid, damp bilge spaces where standard electric motors would rust or pose a safety hazard.

Key Features:

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

• Ignition Protected (IP) Certified: Hermetically sealed to prevent fuel vapor ignition (ISO 8846 & UL 1500 compliant). It is completely safe for gasoline-powered motorboats, stern-drives, and provides an airtight shield against corrosive bilge moisture.

• 12V Drop-In Compatibility: Connects directly into standard 12V marine electrical systems, providing heavy-duty docking muscle without the need for complex voltage converters or independent 24V battery banks.

• Twin Q-Prop™ Counter-Rotating Propellers: Outfitted with aerodynamically skewed, 5-blade composite twin propellers that maximize raw water-flow thrust while cutting cabin noise and 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 hold the boat against the dock single-handedly while you safely tie off mooring lines.

Specifications:

• Part Number: SEP80/185T-1IP

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

• Typical Vessel Size: 35 to 48 Feet (10.5 to 15 meters)

• System Voltage: 12V DC

• Tunnel Diameter: 185 mm (7.3'')

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

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

Pro Tip: The SEP80 12V IP model is highly favored by marine installers for retrofits on mid-sized powerboats and cruisers. Because it is completely sealed, you do not have to worry about water splashes from leaky fittings, humid bilge condensation, or fuel fumes from nearby generators compromising or corroding the thruster's electric motor.

SLEIPNER SEP80/185T-24V PROPORTIONAL TUNNEL THRUSTER | 24V | 80KG/176LB | TWIN PROPS

Take complete command of your vessel with throttle-exact docking precision and highly efficient 24V twin-propeller performance. The Sleipner Side-Power SEP80/185T-24V is a premium proportional tunnel thruster engineered for boats from 35 to 48 feet, delivering a dependable 80 kg (176 lbs) of lateral thrust. Equipped with factory-standard S-Link™ Proportional Control, this system completely replaces old-fashioned, full-blast "on/off" thrusters. Instead, you can gently dial in the exact percentage of power required via a throttle joystick, giving you whisper-quiet, pinpoint control over your bow or stern.

By utilizing a 24V architecture, this system ensures cool, highly efficient operation under sustained loads, drawing fewer amps and minimizing voltage drop over long cable runs compared to traditional 12V setups.

Key Features:

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

• Twin Q-Prop™ Counter-Rotating Propellers: Outfitted with aerodynamically skewed, 5-blade composite twin propellers that maximize raw water-flow thrust through the 185mm tunnel while cutting cabin cavitation noise and hull vibration by up to 75%.

• High-Efficiency 24V Architecture: Built for robust 24V marine electrical grids, this model manages sustained loads flawlessly and utilizes lighter, more flexible wiring runs during installation.

• 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 hold the boat against the dock single-handedly while you safely step off to handle mooring lines.

• Galvanic Isolation Gearleg: The gear housing features a completely isolated propeller shaft, preventing electrochemical reactions and galvanic corrosion from spreading to vital internal drive components.

Specifications:

• Part Number: SEP80/185T-24V

• Thrust Power: 80 kg (176 lbs) at 21V / 96 kg (212 lbs) at 24V

• Typical Vessel Size: 35 to 48 Feet (10.5 to 15 meters)

• System Voltage: 24V DC

• Tunnel Diameter: 185 mm (7.3'')

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

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

Pro Tip: Proportional thrusters run much longer and quieter than standard on/off models. By running the SEP80 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.

SLEIPNER SRV80 RETRACTABLE VERTICAL PROPORTIONAL 24V THRUSTER KIT | SRVP80/185T-24V

Master tight docking maneuvers without sacrificing an ounce of sailing or cruising speed. The Sleipner Side-Power SRV80 (SRVP80/185T-24V) is a premium, vertically retracting 24V thruster kit engineered for modern performance sailboats, shallow-draft motor yachts, and vessels where hull drag must be completely eliminated. Delivering a reliable 80 kg (176 lbs) of thrust, this unit retracts completely flush into the hull when not in use, preserving your boat's hydrodynamic profile.

This comprehensive kit features S-Link™ Proportional Control, allowing you to apply the exact amount of power required to counteract crosscurrents and wind. Unlike old-school "on/off" thrusters, you can dial in a whisper-quiet nudge or full power with ultimate throttle precision.

Key Features:

• Vertical Retraction Mechanism: Extends straight down for maximum depth and leverage when docking, and pulls straight up to sit completely flush with the hull while underway—eliminating drag entirely.

• Proportional Speed Control (S-Link™): Provides variable, metered thrust rather than simple on/off power. This guarantees whisper-quiet operation, minimal battery drain, and pinpoint vessel control.

• 80 kg (176 lbs) of Pushing Power: Designed to provide dependable, robust power to easily pivot your bow or stern in tight spaces.

• Deep Waterline Advantage: Because a retractable thruster deploys deeper into the water than a traditional fixed tunnel thruster, it avoids drawing in surface air (cavitation), resulting in greater efficiency and less noise.

• Intelligent Safety Fail-Safes: Includes built-in mechanical locking, automated safety retraction if left idle, and electronic overload protections.

• Twin Q-Prop™ Counter-Rotating Propellers: Optimized skewed composite twin propellers deliver maximum thrust efficiency while significantly cutting down cabin vibration and noise.

Specifications:

• Kit Model/Part Number: SRVP80/185T-24V

• Thrust Power: 80 kg (176 lbs) at 21V / 96 kg (212 lbs) at 24V

• System Voltage: 24V DC

• Tunnel Diameter: 185 mm (7.3'')

• Control System: S-Link™ Digital Bus

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

Pro Tip: Operating on a 24V architecture means this thruster kit runs cooler, draws fewer amps, and allows for lighter wiring runs compared to 12V models—making it the ideal choice for high-efficiency electrical setups on modern yachts.

SLEIPNER SEP60/185T-1IP PROPORTIONAL TUNNEL THRUSTER | 12V | 60KG/132LB | IGNITION PROTECTED | SEP60/185S-1IP

Take total control of your vessel with throttle-exact docking precision in a fully sealed, ignition-protected package designed for standard 12V grids. The Sleipner Side-Power SEP60/185T-1IP (often cataloged under assembly part number SEP60/185S-1IP) is a premium 12V proportional tunnel thruster engineered for boats from 29 to 38 feet, delivering a dependable 60 kg (132 lbs) of lateral thrust. Unlike standard on-off thrusters that blast at 100% power every time, this S-Link™ Proportional unit allows you to gently dial in power via a throttle joystick, providing whisper-quiet, pinpoint control over your bow or stern.

The IP (Ignition Protected) rating means the electric motor is hermetically sealed inside a specialized composite housing. This configuration safely contains any internal electrical sparks, making it legally compliant and completely safe for installation in gasoline engine compartments, fuel tank lockers, or highly humid, damp bilge spaces where standard electric motors would rust or pose a safety hazard.

Key Features:

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

• Ignition Protected (IP) Certified: Hermetically sealed to prevent fuel vapor ignition (ISO 8846 & UL 1500 compliant). It is completely safe for gasoline-powered motorboats, stern-drives, and provides an airtight shield against corrosive bilge moisture.

• 12V Drop-In Compatibility: Connects directly into standard 12V marine electrical systems, providing heavy-duty docking muscle without the need for complex voltage converters or independent 24V battery banks.

• Twin Q-Prop™ Counter-Rotating Propellers: Outfitted with aerodynamically skewed, 5-blade composite twin propellers that maximize raw water-flow thrust through the 185mm tunnel while cutting cabin noise and 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 hold the boat against the dock single-handedly while you safely tie off mooring lines.

Specifications:

• Part Number: SEP60/185S-1IP (SEP60/185T-1IP)

• Thrust Power: 60 kg (132 lbs) at 10.5V / 72 kg (158 lbs) at 12V

• Typical Vessel Size: 29 to 38 Feet (9 to 12 meters)

• System Voltage: 12V DC

• Tunnel Diameter: 185 mm (7.3'')

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

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

Pro Tip: The SEP60 12V IP model is highly favored by marine installers for retrofits on mid-sized powerboats, tenders, and cruisers. Because it is completely sealed, you do not have to worry about water splashes from leaky fittings, humid bilge condensation, or fuel fumes from nearby generators compromising or corroding the thruster's electric motor.

SLEIPNER SEP50S PROPORTIONAL TUNNEL THRUSTER | 12V | 50KG/110LB | IGNITION PROTECTED | SEP50/140S-1IP

Pinpoint docking precision for mid-sized vessels in a fully sealed, ignition-protected configuration. The Sleipner Side-Power SEP50S (SEP50/140S-1IP) is a premium 12V proportional tunnel thruster engineered with a powerful 2.4 kW (3.2 Hp) motor designed for boats from 27 to 37 feet. Delivering a robust 50 kg (110 lbs) of lateral thrust through a compact 140mm tunnel, this unit features S-Link™ Proportional Control—allowing you to smoothly throttle your power rather than blasting at full speed, giving you whisper-quiet, exact command over your bow or stern.

The IP (Ignition Protected) designation means the electric motor and internal relays are hermetically sealed inside an airtight composite casing. This contains any potential electrical sparks, making it legally compliant and completely safe for installation in gasoline engine compartments, fuel tank lockers, or damp, high-humidity bilge areas.

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 fight heavy crosswinds and tearing currents.

• Ignition Protected (IP) Certified: Hermetically sealed to prevent fuel vapor ignition (ISO 8846 & UL 1500 compliant). It is fully safe for gasoline-powered motorboats and provides an airtight shield against corrosive bilge moisture.

• Maintenance-Free Sealed Gearleg: Features a factory-sealed gearleg pre-filled with specialized lifetime gear oil. Mechanical ceramic seals ensure zero oil leaks and absolute water tightness, completely eliminating regular gear oil changes.

• High-Output 2.4 kW (3.2 Hp) Motor: Delivers optimal power-to-weight performance from a standard 12V marine electrical grid, maximizing thrust while managing amp draw effectively.

• Aerodynamic 5-Blade Q-Prop™ Propeller: Outfitted with an aerodynamically skewed composite single propeller that maximizes raw water-flow velocity through the 140mm tunnel while reducing cabin noise 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 hold the boat against the dock single-handedly while you safely tie off mooring lines.

Specifications:

• Part Number: SEP50/140S-1IP (SEP50S-12V)

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

• Motor Output: 2.4 kW (3.2 Hp)

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

• System Voltage: 12V DC

• Tunnel Diameter: 140 mm (5.5'')

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

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

Pro Tip: The compact 140mm tunnel diameter makes the SEP50S an incredible choice for boats with narrow bow sections where a larger 185mm tunnel won't fit. Combined with the fully sealed housing, it is one of the most versatile and safe upgrade paths available for modern 12V cruiser retrofits.

SLEIPNER SEP80/185T-2IP PROPORTIONAL TUNNEL THRUSTER | 24V | 80KG/176LB | IGNITION PROTECTED

Take total control of your vessel with throttle-exact docking precision in a fully sealed, ignition-protected package. The Sleipner Side-Power SEP80/185T-2IP is a premium 24V proportional tunnel thruster engineered for boats from 35 to 48 feet, delivering a dependable 80 kg (176 lbs) of lateral thrust. Unlike standard on-off thrusters that blast at 100% power every time, this S-Link™ Proportional unit allows you to gently dial in power via a throttle joystick, providing whisper-quiet, pinpoint control over your bow or stern.

The IP (Ignition Protected) rating means the electric motor is hermetically sealed inside a specialized composite housing. This configuration safely contains any internal electrical sparks, making it legally compliant and completely safe for installation in gasoline engine compartments, fuel tank lockers, or highly humid, damp bilge spaces where standard electric motors would rust or pose a safety hazard.

Key Features:

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

• Ignition Protected (IP) Certified: Hermetically sealed to prevent fuel vapor ignition (ISO 8846 & UL 1500 compliant). It is completely safe for gasoline-powered motorboats, stern-drives, and provides an airtight shield against corrosive bilge moisture.

• High-Efficiency 24V Architecture: Built for robust 24V marine electrical grids, this model runs cooler, draws fewer amps, and experiences significantly less voltage drop over long cable runs than traditional 12V configurations.

• Twin Q-Prop™ Counter-Rotating Propellers: Outfitted with aerodynamically skewed, 5-blade composite twin propellers that maximize raw water-flow thrust while cutting cabin noise and 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 hold the boat against the dock single-handedly while you safely tie off mooring lines.

Specifications:

• Part Number: SEP80/185T-2IP

• Thrust Power: 80 kg (176 lbs) at 21V / 96 kg (212 lbs) at 24V

• Typical Vessel Size: 35 to 48 Feet (10.5 to 15 meters)

• System Voltage: 24V DC

• Tunnel Diameter: 185 mm (7.3'')

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

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

Pro Tip: The SEP80 24V IP model is highly favored by marine installers for retrofits on mid-sized vessels. Because it is completely sealed, you do not have to worry about water splashes from leaky fittings, humid bilge condensation, or fuel fumes from nearby generators compromising or corroding the thruster's electric motor.

SLEIPNER SEP100/185T-1IP PROPORTIONAL TUNNEL THRUSTER | 12V | 100KG/220LB | IGNITION PROTECTED

Unlock throttle-exact docking precision in a fully sealed, ignition-protected package designed for standard 12V vessels. The Sleipner Side-Power SEP100/185T-1IP is a high-performance 12V proportional tunnel thruster delivering a massive 100 kg (220 lbs) of lateral thrust. Unlike standard on-off thrusters that blast at 100% power every time, this S-Link™ Proportional unit allows you to gently feed in power via a throttle joystick, giving you whisper-quiet, pinpoint control over your bow or stern.

The IP (Ignition Protected) rating means the electric motor is hermetically sealed inside a specialized composite housing. This design contains any potential electrical sparks, making it legally compliant and completely safe for installation in gasoline engine compartments, fuel tank lockers, or highly humid, damp bilge spaces where standard electric motors would rust or pose a safety risk.

Key Features:

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

• Ignition Protected (IP) Certified: Hermetically sealed to prevent fuel vapor ignition (ISO 8846 & UL 1500 compliant). It is completely safe for gasoline-powered motorboats, stern-drives, and provides an airtight shield against corrosive bilge moisture.

• 12V Drop-In Compatibility: Connects directly into standard 12V marine electrical systems, providing heavy-duty docking muscle without the need for complex voltage converters or independent 24V battery banks.

• Twin Q-Prop™ Counter-Rotating Propellers: Outfitted with aerodynamically skewed, 5-blade composite twin propellers that maximize raw water-flow thrust while cutting cabin noise and 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 hold the boat against the dock single-handedly while you safely tie off mooring lines.

Specifications:

• Part Number: SEP100/185T-1IP

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

• Typical Vessel Size: 35 to 55 Feet (10.5 to 16.5 meters)

• System Voltage: 12V DC

• Tunnel Diameter: 185 mm (7.3'')

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

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

Pro Tip: The SEP100 12V IP model is highly favored by marine installers for retrofits on 12V powerboats and cruisers. Because it is completely sealed, you do not have to worry about water splashes from leaky fittings, humid bilge condensation, or fuel fumes from nearby generators compromising or corroding the thruster's electric motor.