Description
Built for Heavy-Duty UAV Platforms
The LETUMOTOR 13828-45KV is a high-power-density propulsion solution designed for large-scale multi-rotor and industrial UAV platforms. With a massive Ø137.6mm stator, 72V rated voltage, and IP55 environmental protection, it delivers the torque, efficiency, and durability required for the most demanding aerial missions.
Key Specifications
| Parameter | Value |
|---|---|
| Model | LETUMOTOR 13828-45KV |
| Motor Size | Ø146.4 x H54.75 mm |
| Stator Size | Ø137.6 x H28 mm |
| KV Rating | 45 |
| Rated Voltage | 72V |
| No-load Current | 6A |
| Internal Resistance | 19.2 mΩ |
| Motor Weight | 2400g |
| Configuration | 36N42P |
| Dynamic Balance | ≤60mg |
| Bearings | 6005ZZ |
| Shaft Diameter | 20mm |
| Prop Mount | 4x M5-D45 |
| Motor Mount | 4x M8-D45-L70 |
| Winding Insulation | 220°C, Class H |
| Magnet Grade Temp | 180°C |
| Withstand Voltage | AC1000V |
| Protection Level | IP55 |
| Lead Type | Enameled Wire, Direct Output |
| Lead Length | 130mm |
| Recommended ESC | 8S 60A+ |
| Recommended Propellers | HQ15x7x3 / HQ13x10x3 |
Engineered for Industrial Reliability
IP55 Protection: Sealed against dust and water jets for reliable outdoor performance in harsh environments.
AC1000V Dielectric Withstand: High-voltage insulation system ensures safe and stable operation under demanding electrical loads.
220°C Winding Class & 180°C Magnet Grade: High-temperature materials maintain consistent performance under sustained heavy loads.
≤60mg Dynamic Balance: Precision-balanced rotor minimizes vibration, improves flight stability, and extends airframe component life.
6005ZZ Bearings: Premium dual-shielded bearings deliver smooth, low-noise rotation and long service life.
Designed for Professional Integration
Large-Diameter Heavy-Lift Design: Ø137.6mm stator and thick windings deliver exceptional torque and load capacity for the most demanding lift missions.
Sealed Integrated Housing: Robust construction helps block water, dust, and debris for long-term reliability in tough conditions.
Reinforced Cable Outlet: Secure sealing and strain relief for dependable operation in high-vibration environments.
Standardized Mounting: 4x M8-D45-L70 motor mount and 4x M5-D45 prop mount for broad compatibility with professional airframes.
Ideal Applications
Heavy-lift industrial multi-rotors and octocopters
Agricultural spraying, seeding, and crop-dusting drones
Cargo delivery and logistics UAVs
Professional cinematography and heavy-payload lifters
Industrial surveying and mapping platforms
Customization & Bulk Orders
We understand that off-the-shelf specs don’t fit every project.
Available customizations include:
Custom KV winding
Shaft diameter and length modifications
Mounting pattern adjustments
Lead length and connector type
Bell housing color and laser-engraved logo
Contact our engineering team with your requirements for a tailored solution and volume pricing.
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