High-torque Electric Motorcycle Atv Mid-drive Converter 72v Qs138 90h V3 4000w Medium Drive Motor for Go Kart

Rated Power	4000W
Rated Voltage	72V
Max Torque	150 N.m
Weight	15.5kg
Speed	4800rpm
Certification	CE/ROHS/EN 15194

Advantages

* High Power and High Torque: Rated power is 4000W, peak power reaches 13kW, and maximum torque ≥150Nm, providing strong power output to meet the 

vehicle's speed and gradeability requirements.

* High Efficiency: Utilizing permanent magnet synchronous technology and a V-shaped rotor design, it achieves a maximum efficiency of ≥93%, effectively 

improving the conversion of electrical energy into mechanical energy and reducing energy loss.

* Wide Speed Range: The maximum no-load speed is 4800rpm, reaching 7000rpm using magnetic field weakening technology, adapting to varying driving speeds.

* Optimized Structural Design: The integrated gearbox design integrates the reduction gear and motor, saving space and featuring a 1:2.35 gear ratio for high 

transmission efficiency. The motor's relatively light weight, at 14.5kg, facilitates overall vehicle design and handling.

* Excellent Compatibility: Supporting dual Hall effect sensor and encoder feedback, it is compatible with a variety of controllers, enabling multi-speed shifting, 

sport mode switching, and regenerative braking, further improving energy efficiency and vehicle braking safety. High Reliability: With an IP67 rating, it's dustproof 

and waterproof, suitable for a variety of harsh outdoor environments. Class F insulation keeps winding temperatures below 150°C, ensuring stable motor operation 

in high-temperature environments.

Applications

* Electric Motorcycles: Its high power and torque meet the speed and power requirements of electric motorcycles, making it suitable for urban commuting, short trips,

 and some off-roading applications.

* Electric ATVs: Suitable for installation on electric all-terrain vehicles, it provides powerful power for navigating difficult terrain such as mud and gravel.

* Electric Karts: Its compact design with an integrated gearbox fits perfectly on kart frames, supporting high rated speeds and meeting competitive acceleration requirements.

* High-Performance Electric Bicycles: It can be used as a power source for high-performance electric bicycles, providing riders with powerful power and enhancing 

riding pleasure and efficiency.