Brogen OESTEA39000Z is a four-speed heavy-duty electric drive axle designed to deliver extreme torque capability and high efficiency across a wide operating range for demanding commercial EV applications. Built on a 13T axle platform, it delivers up to 39,089 N·m of wheel-end torque through a four-speed gearbox system, providing significantly greater operating flexibility than conventional two-speed architectures.
| Axle Type | Four-Speed E-Axle, Single-motor E-Axle |
|---|---|
| Application | 4×2 Heavy Trucks, 6×4 Tractor |
| Axle Load | 13t |
| Max Vehicle Speed (km/h) | 120 |
| Axle Housing Type | Cast |
| Max Axle Torque (Nm) | 39089 |
| Weight (kg) | 1000, incl. leaf-spring bridge accessories |
| Wheel Track (Hub Face to Hub Face) (mm) | 1837 |
| Spring Span (Spring Seat to Spring Seat) (mm) | 1018–1045 |
| Wheel Bolt Specification | 2-10×M22×1.5 |
| Wheel Bolt Circle Diameter (mm) | Ø335 |
| Hub Centering Bore (mm) | Φ280.8 |
| Maintenance-Free Hub | Yes |
| Motor Peak Power (kW) | 310, at 650V |
| Motor Rated Power (kW) | 190 |
| Motor Peak Torque (Nm) | 590 |
| Motor Rated Torque (Nm) | 280 |
| Motor Maximum Speed (rpm) | 9,000 |
| Gear Ratio | 10.2, 20.0, 36.3, 71.0, Four-Speed |
| Hub Reduction Ratio | NA |
| Brake Type & Spec | 22.5 inch, Disc Brake, drum optional |
| Brake Specification | NA |
| Max Brake Torque | 2×18000 N·m |
| Brake Cylinder/Chamber Spec | 30/24, M22×1.5 |
| Power Take-Off (PTO) | Optional |
| Differential Lock | Optional |
| Inverter Compatibility | NA |
| Max Parking Brake Torque | NA |
| Voltage Platform | NA |
| Gross Vehicle Mass (kg) | NA |
| Axle Housing Cross-section (mm) | NA |
| Suspension Type | NA |
| Upper Arm Mounting Hole Distance (mm) | NA |
| Lower Arm Mounting Hole Distance (mm) | NA |
| Airbag Center Distance (mm) | NA |
| Motor Voltage (V) | NA |
| Motor Rated Speed (rpm) | NA |
| Compatible Rim | NA |
| Compatible Tire | NA |
| Hub End Configuration | NA |
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