XeRun AXE 4274 R3 - 2000KV

Double the power. Smarter precision. Built for extreme crawling.

The XeRun AXE R3 is Hobbywing’s most advanced crawler motor yet, delivering massive power, cutting-edge precision, and rock-solid durability. Compared to the AXE R2, the R3 offers 106% more output power and 11% higher efficiency, making it the ultimate upgrade for serious RC crawling and trail enthusiasts.

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6S High Power – Built for Crawlers

• Supports up to 6S LiPo batteries for massive torque and climbing ability.

• Output power increased by 106% vs AXE R2.

• Efficiency improved by 11% for longer run times and cooler operation.

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IP67 Protection – All-Terrain, All-Weather

• Certified IP67 dustproof & water-resistant design.

• Proven Hobbywing waterproof sensor harness for reliable performance in harsh conditions.

• Built to withstand mud, dust, splashes, and trail abuse.
  (Note: IP67 protection is not permanent; extended submersion may lead to damage.)

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Precision Magnetic Sensor – 60× More Accurate

• Built-in magnetic encoding sensor with accuracy 60× higher than standard hall sensors.

• Delivers smooth, precise, and consistent throttle response.

• Three-phase signal guarantees accurate rotor position detection for ultimate crawling control.

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Strong Compatibility – Flexible Mounting Options

• Built-in 4 sets of 25.4mm mounting holes (M3/M4).

• Optional 30mm adapter plate available for wider frame compatibility (sold separately).

• Makes installation easier across a wide range of crawler chassis.

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Premium Materials – Performance That Lasts

1. High-strength CNC aluminum shell

2. Premium-brand high-quality bearings

3. Ultra-thin premium silicon steel sheets for higher efficiency

4. 200°C high-temperature-resistant enameled wire for extreme durability

5. High-toughness alloy output shaft for long-lasting reliability

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Technical Highlights

• Model: XeRun AXE R3 Crawler Motor

• Voltage: Up to 6S LiPo

• Efficiency: +11% vs R2

• Power: +106% vs R2

• Protection: IP67 waterproof & dustproof

• Sensor: High-precision magnetic encoder (60× accuracy)

• Mounting: 25.4mm M3/M4 holes, 30mm with optional adapter

• Applications: RC Crawlers, Scale Rigs, Off-Road Trail Builds