The FlashHobby KING K2004 series brushless motor is engineered for high-performance FPV drones with 4-5 inch propellers. With KV options ranging from 1750KV to 3150KV and support for 3-6S LiPo batteries, it offers outstanding torque, thrust, and heat dissipation. Whether you're flying freestyle or building a Cinewhoop, the K2004 motor provides reliable power delivery, efficient cooling, and impressive thrust-to-weight performance.
Key Features
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Multiple KV Options:
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1750KV: Max thrust 772g @ 266.8W
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1900KV: Max thrust 862g @ 365W
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2100KV: Max thrust 945g @ 425.9W
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3150KV: Max thrust 913g @ 447.8W
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Wide Voltage Support: All variants support 3S to 6S LiPo batteries.
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Lightweight Build: Weighing only ~17.4g–18.3g with cable, it strikes a balance between power and efficiency.
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Strong Cooling Performance: Operating temperature stays within 55–79°C under full load.
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Highly Efficient Thrust: Efficiency ranges up to 5.45g/W depending on throttle and voltage.
Specifications (All Variants)
| Parameter | Value |
|---|---|
| Dimensions | Φ25.64 × 12.5mm |
| Shaft Diameter | 3mm |
| Motor Cable | 24AWG 113mm |
| Voltage | 3-6S LiPo |
| Configuration | 12N14P |
| Mounting | 4 × M2, 5mm pitch |
| Internal Resistance | 0.252Ω (1750KV) to 0.183Ω (3150KV) |
| Idle Current (10V) | 0.44A (1750KV) to 1.07A (3150KV) |
| Weight (Incl. Cable) | 17.4g to 18.3g depending on KV |
| Peak Current | 11.08A (1750KV) to 28.45A (3150KV) |
| Max Power | 226.8W to 447.8W |
| Max Thrust | 772g to 945g |
Recommended Applications
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4-5 Inch FPV Freestyle Frames
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Cinewhoop Builds (e.g., HQ5030 Props)
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High-efficiency 6S Lightweight Racing Drones
Package Includes
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1 × KING K2004 Brushless Motor (Select KV)
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1 × Set of M2 Screws

KING K2004 Brushless Motor specs: KV1750-3150, 25.64x12.5mm size, 24#AWG cable, 3mm shaft, 0.44A-1.07A idle current, 226.8W-447.7W max power, 772g-913g max pull, 18.3g-18.2g weight, 0.252Ω-0.183Ω resistance, 12N14P config, 3-6S voltage, 11.08A-28.45A peak current.

KING K2004 Brushless Motor technical data includes voltage, current, power, thrust, efficiency at various throttle levels, and operating temperatures for different KV ratings.

K2004 Brushless Motor by FLASH HOBBY, available in 1750KV, 1900KV, 2100KV, and 3150KV options.


KING K2004 Brushless Motor: 18.3g, 12N14P, 48SH Magnets, NSK693 bearing, cable: 140mmL. Compact design, detailed components.


KING K2004 Brushless Motor, professional motor manufacturer, race edition.
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