Accessories & Spare Parts

Water-cooled outboard engines for marine electric vehicles

The 146 Series Permanent Magnet Synchronous Motor (PMSM) from Sinoswift is a high-efficiency, water-cooled outboard motor designed for electric marine applications. Delivering up to 8000W of power, 100Nm peak torque, and advanced water-cooling technology, this IP68-rated motor offers excellent performance, durability, and low-noise operation for small boats, yachts, and marine platforms.

146 Series PMSM Water-Cooled Outboard Motor - Product Overview

146 Series PMSM Water-Cooled Outboard Motor - Product Overview

Product Highlights

  • Robust Power Output: With power ratings between 5kW and 8kW, the 146 motor provides strong thrust for small to medium-sized electric boats, even under heavy load conditions.

  • Water-Cooled for Continuous Operation: The integrated water-cooling system prevents overheating and ensures consistent performance over long durations, even in high-temperature environments.

  • High Torque, High Speed: Delivering up to 100 Nm of peak torque and reaching speeds of 8000 RPM, the motor supports smooth acceleration and excellent maneuverability on water.

  • IP68 Protection for Harsh Conditions: Rated IP68, this motor is completely sealed against dust and can be submerged in water, making it perfect for marine use and ensuring extended service life.

  • Quiet and Low Vibration: The PMSM design, coupled with magnetic or Hall sensors, ensures whisper-quiet operation with minimal vibration—ideal for fishing, recreational boating, and patrol use.

  • Versatile Transmission Compatibility: Supports both belt and chain drive options, providing flexibility in different marine design requirements and propulsion setups.

Application Scenarios

  • Small Electric Boats & Dinghies: Perfect for calm lake or coastal navigation with smooth and silent propulsion.

  • Electric Fishing Boats: Provides quiet operation and long runtime—crucial for angling and fishery boats.

  • Yachts & Auxiliary Marine Systems: Suitable for tender boats and auxiliary systems that need compact yet powerful propulsion.

  • Water Patrol & Law Enforcement Vessels: Reliable and efficient for short-range patrol, inspection, or rescue duties in rivers, lakes, and coastal waters.

  • Marine Tourism & Rental Fleets: An excellent choice for eco-friendly tourist boats and electric-powered marine rentals with low maintenance needs.

Customization and OEM/ODM Services

  • Power & Voltage Tuning: Adapt the motor to various battery configurations and marine regulatory standards.

  • Transmission Customization: Support for custom gear ratios or specialized belt/chain combinations for optimized performance.

  • Mounting & Cooling Configurations: Choose customized mounting brackets and water-cooling inlets/outlets to fit different hull designs.

  • Sensor & Controller Integration: Select between magnetic encoders or Hall sensor setups; optional controller integration for plug-and-play deployment.

  • Branding Services: Offer private-label casting, customized casing colors, and marine-grade packaging tailored to OEM brands.

  • Pre-Assembly Options: Option to receive fully assembled propulsion units with propeller systems and wiring to reduce installation time.

After-Sales Service and Global Support

  • Warranty Coverage: 12-month warranty for all motors under standard marine conditions and usage.

  • Documentation and Diagrams: Includes wiring guides, cooling circuit layout, system integration manuals, and maintenance protocols.

  • Technical Support: Available by email or video call for troubleshooting, installation guidance, and performance optimization.

  • International Shipping: We ship to major markets across Asia, North America, Europe, Oceania, and beyond.

  • Spare Parts Availability: Access replacement parts such as belts, cooling hoses, sensors, and connectors for long-term maintenance.

Company Contact

Company: Sinoswift Import and Export Trading Co., Ltd.

D-U-N-S Number: 515432539

Email: admin@sinoswift.com

Phone: +86 13701956981

Website: www.sinoswift.com

Conclusion

The 146 Series PMSM Water-Cooled Outboard Motor is an efficient, durable, and powerful solution for modern marine electric mobility. Designed to thrive in wet and demanding environments, it offers the perfect combination of speed, torque, and thermal stability. Whether used for private boats, rentals, or commercial patrol vessels, this motor enhances your marine experience with reliability and low noise.

The company has other specifications and models of motors, can be customized according to requirements, welcome to call us for advice.

With full customization, OEM services, and global support, Sinoswift is your trusted partner in developing intelligent, sustainable, and high-performance electric marine propulsion systems.

Technical Specifications
• Model: 146 Series PMSM Water-Cooling Outboard Motor
• Rated Power: 5000W–8000W
• Rated Voltage: 48V–96V
• Max Speed: 5000–8000 RPM
• Rated Efficiency: ≥90%
• Peak Torque: 100 Nm
• Transmission Mode: Belt or Chain
• Protection Level: IP68 (Fully Waterproof and Dustproof)
• Cooling System: Closed-loop water cooling
• Sensor Type: Magnetic encoder or Hall sensor
• Color: Black



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