| Parameter | Specification |
|---|---|
| Model | EP220 |
| System Type | Three-in-One (Motor + Controller + Reducer) |
| Motor Type | Permanent Magnet Synchronous Motor (PMSM) |
| Winding Technology | 8-layer flat wire |
| Operating Voltage | 420 V – 850 V DC |
| Rated Power | 80 kW |
| Peak Power | 220 kW |
| Rated Torque | 175 Nm |
| Peak Torque (Motor) | 420 Nm |
| Wheel-end Peak Torque | 4800 Nm |
| Maximum Speed | 18,000 rpm |
| Gear Ratio | 12.01 |
| Cooling Method | Oil-cooled |
| Protection Rating | IP67 |
| Functional Safety | ASIL D |
| EMC Compliance | Class 3 |
| Overall Dimensions | 454 mm × 485 mm × 325 mm |
| Weight | Not specified in image (can be added on request) |
| Manufacturer | Dowway Vehicle (China) |
| Customization Available | Yes – motor tuning, control logic, CAN protocol, mounting interface, integration support |
Dowway Vehicle, a leading Chinese manufacturer specializing in high-performance electric vehicle powertrain systems, proudly introduces the EP220 Three-in-One Electric Drive System—a highly integrated, high-efficiency solution designed for premium electric vehicles, commercial trucks, and industrial mobility platforms.
This advanced three-in-one system integrates motor, controller, and reducer into a single compact unit, combining high power density, exceptional torque output, and superior thermal management. Featuring an 8-layer flat wire permanent magnet synchronous motor (PMSM), it delivers outstanding efficiency, reliability, and performance under extreme operating conditions.
Key Features:
- Motor: Permanent Magnet Synchronous Motor (PMSM) with 8-layer flat wire winding, enabling higher power density, lower losses, and improved heat dissipation.
- Power Performance: Peak power of 220kW and rated power of 80kW, ideal for high-speed and high-torque applications.
- Torque Output: 420Nm peak torque at the motor shaft, amplified to 4800Nm wheel-end torque via a 12.01 gear ratio.
- High-Speed Operation: Up to 18,000 rpm, enabling rapid acceleration and dynamic response.
- Wide Voltage Range: Supports 420V to 850V DC, compatible with high-voltage battery systems including 800V platforms.
- Oil-Cooled Design: Ensures efficient heat dissipation and stable operation during continuous high-load use.
- Safety & Compliance:
- ASIL D functional safety certification — highest level for automotive applications
- EMC Class 3 compliance
- IP67 protection rating for dust and water resistance
- Compact Design: Overall dimensions of 454mm × 485mm × 325mm, minimizing space usage and enabling flexible vehicle integration.
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As a professional R&D and OEM/ODM partner, Dowway Vehicle offers comprehensive customization services for the EP220 system, including:
- Motor pole/pair adjustment for different speed-torque profiles
- Control algorithm tuning (regenerative braking, torque vectoring)
- CAN bus protocol adaptation (J1939, ISO 11898, custom)
- Housing and mounting interface modifications
- Integration with BMS, VCU, and brake-by-wire systems
Backed by in-house engineering expertise and ISO-certified manufacturing facilities in China, we provide end-to-end support—from concept development and prototyping to testing, certification, and mass production.
Choose Dowway Vehicle for innovative, durable, and scalable electric drive solutions that power your next-generation electric vehicles.
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