⚙️ The Hobbywing Xerun AXE 4987 SD R3S 1600kV is a Brushless FOC Sensored motor developed specifically for large 1/5- and 1/6-scale crawlers. Designed to deliver high torque and extremely precise control at very low speeds, it offers immediate response, cogging-free operation, and excellent smoothness during technical maneuvers. Its built-in high-precision magnetic encoder ensures a very precise reading of the rotor’s position and fully unleashes its capabilities when paired with the ESC Hobbywing Xerun AXE Plus R3.
⚡ FOC technology and ultra-precise control
- Brushless Sensored FOC motor.
- Developed for 1/5 and 1/6 scale crawlers.
- Exceptionally smooth operation at very low speeds.
- No cogging for improved control in technical sections.
- Immediate response to acceleration.
- High torque even at the lowest RPMs.
- Approximately 8% more power compared to comparable motors in the same class.
- Optimized efficiency for improved acceleration and performance.
🎯 High-precision magnetic encoder
- Integrated magnetic encoder.
- Rotor position detection accuracy approximately 60 times greater than that of conventional Hall sensors.
- Exceptionally stable three-phase signal.
- Continuous transmission of precise data to ESC.
- Smoother operation at low speeds.
- Better torque control at very low speeds.
- Optimized performance with the ESC Xerun AXE Plus R3.
🛠️ Reinforced design
- CNC-machined housing made of high-hardness aluminum.
- High-quality bearings.
- Ultra-thin silicon steel sheets for improved efficiency.
- Enameled windings rated for up to 200 °C.
- High-strength alloy output shaft.
- Construction designed to withstand the stresses of large crawlers.
- Water and dust protection compliant with the IP66 standard.
⚙️ Technical Specifications
- Type: Brushless Sensored FOC.
- Part Number: Xerun AXE 4987 SD R3S.
- Kv: 1600 kV.
- Power supply: 3S to 8S LiPo.
- Number of poles: 4.
- No-load current: 12.5 A.
- Outer diameter: 49.5 mm.
- Length: 87 mm.
- Weight: 660 g.
- Protection rating: IP66.
- Application: crawler / rock crawler 1/5 and 1/6.
- Compatible with the ESC Hobbywing Xerun AXE Plus R3.
💧 IP66 Protection
The motor features IP66 protection against dust and water splashes, allowing it to be used in the humid and dusty conditions typical of the crawler. However, this certification does not mean that the motor can remain submerged for extended periods.
🧩 Contents
- 1 Hobbywing Xerun AXE 4987 SD R3S 1600kV motor.
🔧 Recommended accessory
- ESC Hobbywing Xerun AXE Plus R3 – part no. HW30113201.
🎯 Who is it for?
The Hobbywing Xerun AXE 4987 SD R3S 1600kV is designed for users of large 1/5 and 1/6 scale crawlers looking for a motor capable of moving heavy vehicles with plenty of torque while maintaining smooth operation at low speeds. Its FOC system and high-precision magnetic encoder make it an excellent choice for demanding Scale setups and technical sections requiring very progressive traction.
- Échelle: 1/6
- Motorisation: Engine Brushless
- Type de moteur: Sensored (sensor)
