Discover Superior Maneuverability with the Lewmar 300TT Gen2 Bow Thruster

Navigating tight marinas or handling crosswinds during docking can transform from a stressful ordeal into a smooth operation with the Lewmar 300TT 10.8kW Gen2 tunnel thruster. Designed for mid-to-large vessels, this 24V powerhouse delivers 250 kgf of thrust through a compact 300mm tunnel, ensuring precise sideways control without the hassle of traditional hydraulic systems. Boaters praise its whisper-quiet operation and reliability, making it a go-to upgrade for sailboats, motor yachts, and workboats up to 50 feet.

What sets this Gen2 model apart is its engineering focus on simplicity and durability. Say goodbye to fluid reservoirs that leak or demand constant checks—Lewmar's innovative design eliminates them entirely, slashing maintenance time and costs while boosting peace of mind on the water.

Engineered for Peak Performance and Longevity

• Balanced Thrust in Both Directions: Precision-machined 5-blade propellers provide identical forward and reverse power, giving you confident handling in any condition.
• Sealed for Life: A high-integrity seal keeps water out and performance in, even after years of saltwater exposure.
• Spline-Driven Reliability: No fragile drive pins to shear—just robust splines that transfer power flawlessly.
• Smart Electronics: The included Blue Box ICU safeguards the motor from overloads, misuse, and harsh environments, with self-resetting thermal cutouts on every circuit.
• Quiet and Efficient Gearing: Hardened spiral bevel gears minimize noise and maximize torque transmission for effortless operation.
• User-Friendly Controls: Pair it with intuitive joystick or touch-panel interfaces for one-handed precision—connections plug together effortlessly for quick installs.
• Streamlined Design: Low-profile hub reduces turbulence, optimizing water flow for maximum efficiency.

These features aren't just specs; they're real-world advantages honed from decades of marine innovation, helping skippers dock like pros even in gusty winds or strong currents.

Detailed Specifications at a Glance

Complete Kit for Seamless Integration

Everything you need arrives ready to install: the Lewmar 300TT Gen2 thruster unit, a 2-meter motor cable for flexible routing, and the essential Blue Box ICU for electronic protection and control interfacing. This all-in-one package minimizes downtime and ensures compatibility with your existing 24V system.

Why Boaters Choose Lewmar 300TT for Effortless Docking

Imagine slipping into a crowded slip without white-knuckled steering— that's the reality with 250 kgf of thrust on demand. Ideal for boats in the 40-50 foot range, it excels in low-speed maneuvers where props alone fall short. The Gen2 upgrades bring faster response times and better corrosion resistance, thanks to marine-grade bronze components and advanced sealing. Saltwater warriors report years of trouble-free service, with the no-maintenance electric design outperforming hydraulics in reliability and simplicity.

Installation is straightforward for pros or savvy DIYers: bore your tunnel, drop it in, wire up, and calibrate. Pair with Lewmar's proportional controls for variable speed, turning your helm into a command center.

Frequently Asked Questions