| Parameter | Specification |
|---|---|
| Model | GNR81 Starter Motor |
| Voltage | 24V DC |
| Power | 3.5kW |
| Internal Resistance | 15mΩ |
| Stator Outer Diameter | φ81mm |
| Weight | 5kg |
| Operating Temperature Range | -40°C to +125°C |
| Type | Electromagnetic Planetary Gear Reduction Starter |
| Switch Type | Integrated Electromagnetic Switch (Anti-welding) |
| Switch Protection | Ventilation Membrane (Anti-icing) |
| Service Life | Up to 50,000 start cycles |
| Materials | Flame-retardant housing and wiring |
| Design | Compact, space-saving structure |
| Manufacturer | Dowway Vehicle (China) |
| Customization Services | Voltage adjustment, torque tuning, mounting interface, CAN integration |
| R&D Capabilities | In-house mechanical design, thermal simulation, durability testing |
24V Starter Motor for Commercial Vehicles
The GNR81 starter motor is a high-performance 24V starter motor designed for commercial vehicles, trucks, buses, and off-road equipment. It delivers reliable engine starting performance under demanding conditions, including cold starts and heavy-duty applications.
Key Performance Features
This 24V starter motor provides 3.5kW power output and low internal resistance of 15mΩ, ensuring strong cranking torque and efficient operation.
The compact structure (φ81mm stator diameter, 5kg weight) allows easy installation in space-limited engine compartments while maintaining high durability.
Durability and Reliability
Designed for harsh environments, this starter motor operates reliably from -40°C to +125°C and supports up to 50,000 start cycles.
The electromagnetic planetary gear reduction system ensures smooth operation and extended service life, while the integrated solenoid switch improves engagement reliability.
Advanced Design Features
The starter motor features an anti-icing ventilation membrane to prevent switch freezing in low temperatures and an anti-welding design to enhance long-term durability.
Flame-retardant materials and robust structural design further improve safety and performance in demanding applications.
Applications
This 24V starter motor is widely used in commercial trucks, buses, construction equipment, off-road vehicles, and hybrid power systems.
Supports OEM customization for voltage, torque, and mounting configurations.
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