- SKU:
- VENDOR: FPV-DIY
4720 380KV/430KV Brushless Motor 4-Pack – Heavy-Lift 17"–20" Drone Motor, 16000RPM with 6mm Shaft, 25mΩ Ultra-Low Resistance for 8S–12S Professional UAV
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Maximum Payload. Maximum Performance. Maximum Trust.
When your mission demands the absolute best in heavy-lift propulsion, the 4720 Brushless Motor 4-Pack delivers. Purpose-built for professional-grade UAVs carrying substantial payloads – from cinema-grade cameras and LiDAR sensors to agricultural sprayers and cargo systems – this motor combines immense power, ultra-low internal resistance, and industrial-grade durability. Available in 380KV and 430KV variants, the 4720 is the ultimate choice for 17"–20" multi-rotor platforms operating on 6S–8S (and beyond) high-voltage systems.
🔧 Key Specifications
| Parameter | Detail |
|---|---|
| Model | 4720 (380KV / 430KV) |
| Slot/Pole Count | 12N/14P |
| Dimensions | Φ54.7mm × 69.8mm |
| Internal Resistance | Ultra-Low 25.0mΩ |
| Operating Voltage | 6S – 8S+ (24V – 36V) |
| Rated Current | 0.065A |
| No-Load Speed | Up to 16,000 RPM |
| Rated Power | 380KV: 0.9kW; 430KV: 0.95kW (900W – 950W continuous) |
| Rated Torque | 0.0018 N·mm |
| Shaft Diameter | 6mm Hardened Steel |
| Silicone Wire | 18AWG / 260mm |
| Weight per Motor | 350g |
| Package | 4 Motors + Accessories |
🏗️ Industrial-Grade Engineering – No Compromises
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6061-T6 Aerospace Aluminum Housing – Massive CNC-machined housing with optimized cooling fins for superior heat dissipation during extended heavy-load missions.
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220°C High-Temperature Copper Windings – Withstands extreme thermal stress, ensuring reliable performance in demanding commercial applications.
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N52H Neodymium Magnets – The strongest commercially available magnet grade delivers maximum magnetic flux for unparalleled torque density and efficiency.
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Dual 685 Oversized Bearings – Precision bearings engineered for the high-stress environment of heavy-lift operations, ensuring smooth rotation and extended service life.
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6mm Hardened Steel Shaft – Extra-thick, heat-treated shaft handles immense gyroscopic forces and shock loads from 17"–20" propeller systems with zero flex.
⚡ Choose Your KV – Tailor Your Power Curve
| Variant | Rated Power | No-Load Speed | Best Prop | Voltage | Best For |
|---|---|---|---|---|---|
| 380KV | 900W | Up to 16,000 RPM | 18" – 20" | 8S–12S | Maximum torque for extreme payloads, long endurance, heavy agricultural/cargo drones |
| 430KV | 950W | Up to 16,000 RPM | 17" – 19" | 6S–8S | Higher RPM for faster climbs, more responsive heavy-lift cinematography and survey work |
Both variants share the same legendary 4720 build quality – choose based on your battery configuration and required thrust-to-speed balance.
🚀 Performance That Redefines Heavy-Lift
| Feature | What It Means for You |
|---|---|
| Ultra-Low 25mΩ Internal Resistance | Industry-leading efficiency – minimizes heat generation, maximizes power conversion, extends flight endurance |
| 950W Continuous Power per Motor | 3.8kW total system power (4 motors) – enough to lift professional payloads with confidence |
| 6S–8S+ Voltage Range | Flexible power system integration for various battery configurations |
| Massive Φ54.7mm × 69.8mm Stator | Unmatched torque generation for swinging the largest propellers in the FPV/UAV market |
| 350g Robust Construction | Substantial thermal mass ensures cool, stable performance during sustained heavy-load missions |
| 16,000 RPM No-Load Speed | Impressive top-end capability for a motor of this size |
📦 What's Included
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4 x 4720 Brushless Motors (choose 380KV or 430KV)
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Accessories
🎯 Perfect For
| Application | Why 4720 |
|---|---|
| Professional Cinematography Drones (Heavy Cameras) | Silent, smooth, vibration-free power for pristine footage |
| Agricultural Spraying UAVs | Reliable heavy-lift for tanks and spray booms |
| LiDAR & Surveying Drones | Stable hover and precise positioning for accurate data collection |
| Cargo & Logistics Drones | Carries commercial payloads safely and efficiently |
| Search & Rescue UAVs | Payload capacity for thermal cameras and rescue equipment |
| Large-Scale Heavy-Lift FPV | Ultimate power for custom 17"–20" builds |
| Industrial Inspection Platforms | Long endurance and consistent performance |
📊 Thrust & Efficiency Snapshot (Approximate – 380KV Model)
| Propeller | Battery | Approx. Thrust per Motor | Efficiency |
|---|---|---|---|
| 18" × 5.5" | 8S 8000mAh | ~4,500g – 5,000g | ~10.5g/W |
| 19" × 5.5" | 8S 10000mAh | ~5,200g – 5,800g | ~11.0g/W |
| 20" × 6" | 10S 12000mAh | ~6,000g – 6,800g | ~11.5g/W |
Values are approximate and vary by propeller brand, battery condition, altitude, and environmental factors. Higher KV variants will produce different thrust curves.
⚠️ Important Notes
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Recommended ESC: ≥ 60A continuous (80A–100A burst) – ensure ESC supports your chosen voltage (6S–8S+).
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Propeller Range: 17"–20" diameter optimized.
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Motor Mounting: Standard M3/M4 pattern – verify frame compatibility before installation.
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Batteries, ESCs, and propellers are not included.
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Professional installation and tuning required for commercial/commercial-grade applications.
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Allow adequate cooling between intensive missions – consider active cooling for sustained heavy-load operations.
🔗 Recommended System Configuration (380KV)
| Component | Recommendation |
|---|---|
| Battery | 8S 8000mAh–10000mAh LiPo / LiHV |
| ESC | 4-in-1 or individual 80A–100A, 8S–10S capable |
| Propeller | 18" × 5.5" or 19" × 5.5" carbon fiber |
| Frame | 900mm–1200mm heavy-lift hexacopter or quadcopter |
Ready to build the drone that professionals rely on? Add the 4720 Motor 4-Pack to your cart and experience heavy-lift propulsion engineered for the most demanding missions!
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Standard delivery within 2–5 business days
Easy 30-day returns
Return items in original condition for a full refund
