HOBBYWING
HOBBYWING XERUN Axe 4274 FOC Motors (R3 4274 1700KV)
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
Elevate Your Rock Crawler's Performance with the AXE Brushless R3 Motor Unmatched Torque with FOC Technology Experience the power of our Field Oriented Control (FOC) driving mode, delivering incredibly strong low-speed torque. This advanced technology surpasses standard brushless setups and is even preferred over traditional brushed systems for its superior feel and performance. Precision Control with Magnetic Encoder Our chip-type magnetic encoder ensures perfect synchronization of the three-phase signals, consistently delivering pure and precise rotor position feedback. This guarantees exce…
SpecPicks Verdict
SpecPicks classifies HOBBYWING XERUN Axe 4274 FOC Motors (R3 4274 1700KV) as a niche pick — read recent reviews before buying in the sound cards category, based on limited Amazon review volume so far and our ranking model that weights rating × review-volume × price-fit. HOBBYWING's positioning sits within the broader category mid-tier. Use the Compare tool to put it side-by-side with two or three close alternatives before clicking through to Amazon.
Common buyer scenarios for sound cards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the Amazon listing before purchase. Prices, stock, and Prime eligibility update directly from Amazon's catalog and may have moved since this page was last verified.
Pros & Cons
Pros
- ✓ Backed by HOBBYWING's warranty and support channels
- ✓ Ships via Amazon with Prime eligibility and the standard returns policy
Cons
- ✗ Confirm socket / form-factor / power-rating compatibility against your build before ordering
- ✗ Price, stock, and Prime eligibility update from Amazon and may have changed since this page was last verified
Key Features
- XeRun AXE 4274 R3 (1700KV / 2000KV) Applications: 1/8th and 1/6th crawler KV Value: 2000KV Lipo Cells: 3-6S Lipo No-load current: 4.5A Pole: 4 Weight: 415g Motor Diameter Length: 42/74 mm 1.65/2.91 in Shaft Diameter length: 5/18.5 mm 0.197/0.73 in
- 6S high power, for crawlers The XeRun AXE R3 motor supports up to 6S LiPo battery. The maximum output power is increased by 106%, and is 11% more efficienct compared to the R2 motor. *Note: The default mounting hole is 25.4mm. Please purchase the AXE 4274 motor conversion board if the mounting hole is 30mm.
- Two KV options, wide application AXE 4274 R3 is available in both 1700/2000KV options. It meets various application requirements for 1/8th, 1/7th, and 1/6th scale crawlers.
- Excellent protection The AXE R3 motor is now IP67 protected. The motor has the proven Hobbywing water proof sensor harness design to cope with complex and various climatic conditions. *Note: The above-mentioned IP67 protection level is splash-proof, water-resistant, and dust-proof under normal use. It is not permanently effective, and the protective performance may decrease due to aging. Extended water exposure (submersion) may lead to damage.
- Precision Magnetic sensor The motor has a built-in magnetic encoding sensor. The accuracy 60 times better compared to the traditional sensor commonly used in brushless motors. The three-phase signal has excellent consistency and it provides accurate signals from the rotor position.
- Supports optional motor adapter, strong compatibility The XeRun AXE R3 motor is built-in with 4 sets of 25.4mm mounting holes, and 4 for M3/M4 respectively. If the frame mounting holes are 30mm, an optional motor mounting conversion plate is available for purchase. *Note: The conversion plate is an optional accessory and needs to be purchased separately!
Full Specifications
| Brand | HOBBYWING |
|---|---|
| Model | R3 4274 1700KV |
| Weight | 415g |
| Model Name | AXE 4274 R3 Motor |
| Unit Count | 1.0 Count |
| Part Number | 30401400/30401401 |
| Included Components | (1) AXE R3 Motor |
| Item Dimensions W x H | 2.91"W x 1.65"H |
| Global Trade Identification Number | 00088718529266 |
Ready to buy?
HOBBYWING XERUN Axe 4274 FOC Motors (R3 4274 1700KV) is available on Amazon with Prime shipping and the full Amazon returns policy. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
*Price sourced from Amazon.com. Last updated 2026-05-12. Price and availability subject to change.
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