Pure electric drive gearboxHW25704XA
1. Central-driven pure electric heavy-duty truck transmission, single motor with 4-speed gearbox.
2. Lightweight all-aluminum housing design.
3. High reliability, low noise: dual intermediate shaft structure, helical gears, precision gear grinding, synchronous gear shifting, high-strength bearings, dual steering oil seals.
4. High transmission efficiency, high-precision gears and bearings, dual steering oil pumps, combined forced lubrication and spray lubrication to ensure lubrication to all transmission components, with filter elements to extend oil change intervals.
5. Easy operation, electronic control air, dual-cylinder parallel shaft type, using Sinotruk's AMT actuator, high maturity.
6. Can be equipped with single rear power take-off (PTO), dual rear PTO.
Main parameters
| Transmission | Gear | 4-gear |
| Input torque (Nm) | 2500 | |
| Speed ratio | 8.494/3.545/1.873/1.000 | |
| Speed (r/min) | 3000-3500 | |
| Weight (kg) | 181.5 | |
| Installation length (mm) | 536 | |
| Shift actuator | Electric control air | |
| Rear PTO | Speed ratio 1.546, torque 700Nm | |
| Motor | Power (kw) | 250/360 |
| Torque (Nm) | 1400/2800 | |
| Revolution （r/min） | 1705/3000 | |
| Type | Round wire | |
| Powertrain | Installation length (mm) | 948 |
| Weight (kg) | 468 | |
| Rated output torque (Nm) | 11891 | |
| Maximum output torque (Nm) | 21235 | |
| Peak output torque (Nm) | 23783 |
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