Liquid Cooling PM Motor Manufacturer: High-Efficiency PMSM Drive Systems for Electric Vehicles
As the global electric vehicle (EV) industry continues to expand, the demand for high-performance electric drive systems is growing rapidly. Whether for passenger vehicles, commercial vehicles, classic car conversions, utility vehicles, or industrial applications, customers are looking for electric motors that deliver high efficiency, high torque, excellent thermal performance, and long service life.
As a professional liquid cooling PM motor manufacturer, we specialize in developing and manufacturing Permanent Magnet Synchronous Motors (PMSM) and complete electric drive systems. Our product portfolio covers voltage platforms from 48V to 650V, with our 96V and 144V liquid-cooled PMSM motors being among the most popular solutions for low- and medium-voltage electric vehicles.
Why Choose a Liquid-Cooled PMSM Motor?
Permanent Magnet Synchronous Motors (PMSMs) have become the preferred choice for modern electric vehicles because they provide:
- Higher efficiency than induction motors
- Higher power density
- Excellent low-speed torque
- Wide constant-power operating range
- Quiet operation
- Compact size and lightweight design
When combined with an advanced liquid cooling system, these advantages become even more significant.
Compared with conventional air-cooled motors, liquid-cooled PMSM motors offer:
- More efficient heat dissipation
- Stable performance under continuous heavy loads
- Higher continuous output power
- Longer motor lifespan
- Improved reliability in demanding environments
- Better performance during high ambient temperatures
Liquid cooling allows the motor to maintain optimal operating temperatures even during long hill climbs, continuous high-speed driving, or commercial-duty applications.
Complete Electric Drive Solutions
We are not only a liquid cooling PM motor manufacturer, but also a complete electric powertrain supplier.
Our solutions include:
- PMSM motors
- Motor controllers (MCU)
- Vehicle Control Unit (VCU)
- Battery packs
- DC-DC converters
- On-board chargers (OBC)
- Wiring harnesses
- Dashboard displays
- Gearboxes
- Coupler adapters
- Complete EV conversion kits
This enables customers to obtain a complete, integrated drive system from a single supplier, reducing development time and simplifying vehicle integration.
96V Liquid-Cooled PMSM Motors
The 96V platform is widely used in:
- Electric pickup trucks
- Utility vehicles
- Small commercial vehicles
- Off-road vehicles
- Electric boats
- Agricultural machinery
- Classic vehicle conversions
96V 20/40kW PMSM
Technical Specifications
- Rated Voltage: 96V
- Rated Power: 20 kW
- Peak Power: 40 kW
- Cooling: Liquid Cooling
- Peak Torque: 210 N·m
- Maximum Speed: 6,500 RPM
- Protection Level: IP67
This motor provides excellent acceleration while maintaining high efficiency across the entire operating range.
Its high torque allows vehicles to start smoothly even under heavy loads or on steep slopes.
Typical applications include:
- Fiat 500 EV conversions
- VW Beetle conversions
- Kei trucks
- Utility vehicles
- Small delivery vans
144V Liquid-Cooled PMSM Series
For customers requiring higher vehicle performance, we offer several 144V liquid-cooled PMSM drive systems.
144V 25/45kW PMSM
Specifications:
- Rated Power: 25 kW
- Peak Power: 45 kW
- Peak Torque: 210 N·m
- Maximum Speed: 6,500 RPM
- Liquid Cooling
- High-efficiency FOC control
Suitable for:
- Passenger cars
- Compact SUVs
- Electric taxis
- Light commercial vehicles
- Urban logistics vehicles
The 144V platform provides stronger continuous power while maintaining excellent driving efficiency.
144V 40/65kW PMSM
For heavier vehicles, we recommend our flagship 144V motor.
Specifications:
- Rated Power: 40 kW
- Peak Power: 65 kW
- Peak Torque: 252 N·m
- Maximum Speed: 6,500 RPM
- Liquid Cooling
- High-efficiency permanent magnet rotor
This motor delivers exceptional performance for demanding applications.
Suitable vehicles include:
- Pickup trucks
- Vans
- Light trucks
- Electric buses
- Industrial vehicles
- Off-road utility vehicles
Its 252 N·m peak torque provides excellent climbing capability and rapid acceleration while maintaining smooth power delivery.
High Efficiency and Energy Savings
Efficiency is one of the most important indicators of an electric drive system.
Our PMSM motors achieve high operating efficiency over a broad speed range through:
- Advanced electromagnetic design
- Optimized rotor structure
- Precision stator winding
- Field-Oriented Control (FOC)
- High-performance inverter technology
- Efficient liquid cooling
The result is:
- Reduced energy consumption
- Extended driving range
- Lower battery operating temperature
- Improved overall vehicle efficiency
Superior Thermal Management
Thermal management is critical for electric vehicles.
During heavy acceleration, hill climbing, towing, or continuous highway driving, motor temperatures can rise rapidly.
Our liquid cooling system efficiently removes heat from the stator and motor housing, enabling:
- Higher continuous output power
- Stable torque delivery
- Reduced thermal derating
- Improved durability
- Longer bearing life
- Better insulation protection
Compared with air-cooled motors, liquid-cooled PMSM systems maintain consistent performance even in demanding operating conditions.
High Torque Performance
Electric vehicles require strong torque, especially during vehicle launch and low-speed driving.
Our liquid-cooled PMSM motors provide peak torque ranging from 170 N·m to 252 N·m, depending on the model.
This makes them ideal for:
- Pickup trucks
- Cargo vehicles
- Electric vans
- Off-road vehicles
- Agricultural equipment
- Construction machinery
High torque ensures:
- Excellent vehicle launch
- Strong hill-climbing capability
- Better towing performance
- Smooth acceleration
- Comfortable driving experience
Flexible Integration
Our engineering team supports customized integration for various vehicle platforms.
We can provide:
- Motor-to-gearbox couplers
- Adapter plates
- Custom mounting brackets
- CAN communication
- Vehicle calibration
- Software parameter tuning
Customers may choose either:
- Retaining the original manual transmission
- Single-speed reduction gearbox
- Direct-drive solutions
Our flexible engineering capability enables rapid development for prototype and production projects.
Reliable Manufacturing
As an experienced liquid cooling PM motor manufacturer, we operate modern manufacturing facilities equipped with advanced production and testing equipment.
Every motor undergoes comprehensive testing before shipment, including:
- Efficiency testing
- Torque testing
- Speed testing
- Waterproof testing
- Insulation testing
- Temperature rise testing
- Endurance testing
This ensures every drive system meets demanding quality requirements.
Global Applications
Our PMSM drive systems have been applied in numerous projects worldwide, including:
- Classic vehicle EV conversions
- Passenger cars
- Pickup trucks
- Commercial vehicles
- Utility vehicles
- Industrial machinery
- Electric boats
- Agricultural equipment
- Tourism vehicles
- Government demonstration projects
Our engineering team also provides technical support for OEM, ODM, and customized electric vehicle projects.
Conclusion
As a trusted liquid cooling PM motor manufacturer, we are committed to delivering efficient, reliable, and high-performance electric drive solutions for the rapidly growing EV market.
Our 96V and 144V liquid-cooled PMSM motors combine advanced permanent magnet technology, intelligent motor control, and efficient thermal management to provide outstanding performance, high efficiency, and peak torque ranging from 170 N·m to 252 N·m.
Whether you are developing an electric passenger vehicle, commercial vehicle, classic car conversion, or specialized industrial application, our complete electric powertrain solutions can help accelerate your project from prototype to mass production. By combining innovative engineering, proven manufacturing capability, and comprehensive technical support, we enable customers worldwide to build cleaner, more efficient, and more reliable electric mobility solutions.
