Dowway Vehicle, a leading Chinese manufacturer specializing in high-performance electric drivetrain systems, introduces the EA180 Three-in-One Coaxial Electric Axle—a powerful, compact, and highly integrated solution designed for heavy-duty electric vehicles, commercial trucks, off-road equipment, and industrial mobility platforms.
This advanced three-in-one system integrates motor, controller, and reducer into a single coaxial unit, combining high efficiency, robust torque output, and superior thermal management. Featuring an induction motor with 6-layer flat wire winding, it delivers exceptional power density, reliability, and performance under extreme operating conditions.
- Motor Type: Induction Motor (IM) with 6-layer flat wire technology, offering higher efficiency, lower losses, and improved heat dissipation.
- Power Performance: Peak power of 220kW and rated power of 50kW, ideal for high-torque applications.
- Torque Output: 325Nm peak torque at the motor shaft, amplified to 3600Nm wheel-end torque via a 11.51 gear ratio.
- High-Speed Operation: Up to 20,000 rpm, enabling rapid acceleration and dynamic response.
- Wide Voltage Range: Supports 350V to 800V DC, compatible with various battery systems including 800V platforms.
- Dual Cooling System: Oil-cooled + water-cooled design ensures optimal thermal control during continuous high-load operation.
| Parameter | Specification |
|---|---|
| Model | EA180 Three-in-One Coaxial Electric Axle |
| Motor Type | Induction Motor / 6-layer flat wire |
| Operating Voltage | 350V – 800V DC |
| Peak Power | 220 kW |
| Rated Power | 50 kW |
| Peak Torque | 325 Nm |
| Rated Torque | 80 Nm |
| Wheel-end Peak Torque | 3600 Nm |
| Maximum Speed | 20,000 rpm |
| Gear Ratio | 11.51 |
| Functional Safety | ASIL C |
| Protection Rating | IP67 |
| EMC Level | Class 3 |
| Cooling Method | Oil-cooled + Water-cooled |
| Overall Dimensions | 342 mm × 552 mm × 384 mm |
| Manufacturer | Dowway Vehicle (China) |
| Customization Services | Motor tuning, control algorithm, CAN protocol, housing design, integration support |
| R&D Capabilities | In-house motor design, thermal simulation, EMI/EMC testing, functional safety validation |
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