Overview
The Flashhobby Arthur A4320 650KV brushless motor is built with a 14-pole 12-slot (14P12N / 12N14P) high-torque design for stable, uniform torque output under heavy-load working conditions.
Key Features
- Precision balanced rotor test
- 14P12N high torque motor design
- CNC 6061-T6 aluminum bell
- High RPM bearing: 5 x 11 x 5 mm
- High temperature resistant copper wire winding
- High RPM bearing description: Equipped with high RPM bearings selected from well-known brand components, it features ultra-high speed adaptability and excellent wear resistance. The special high-precision ball design and lubrication structure effectively reduce friction and noise during high-speed operation.
Specifications
| Model | A4320 |
| KV | 650KV (or customed KV) |
| Configuration | 12N14P |
| Weight | 323.09 g (including the cables) |
| Motor size | 51.1 x 43.7 mm |
| Shaft diameter | 6.0 mm (can be 5 or 6 mm as per clients request) |
| Motor mount | 30*30 mm (M4*4) |
| Motor cable | 16#AWG, 600 mm (16AWG black) |
| Bearing | 5 x 11 x 5 mm |
| Technical drawing notes | Ø51.1, 43.7, 25.2, 1.4, Ø10, Ø30, 4-M4, M6, 18, 600MM |
What’s Included
- Flashhobby Arthur A4320 650KV brushless motor
- 1 x nut
- 4 x screws
- Retail box
For pre-sales and compatibility questions, contact https://rcdrone.top/ or email support@rcdrone.top.
Details

The 14-pole 12-slot (14P12N) motor design is built for high torque in demanding setups.

The Arthur A4320 brushless motor uses a high-RPM ball bearing design to help reduce friction and noise during operation.

The Arthur A4320 brushless motor uses a 4×M4 mounting pattern, an M6 shaft, and 600mm 16AWG lead wires for flexible installation.

The Arthur 4320 650KV brushless motor features a vented black can design with a threaded shaft for secure prop mounting.

The Flashhobby Arthur A4320 brushless motor features a ventilated bell design with a threaded output shaft for secure prop or adapter mounting.

The Flashhobby Arthur A4320 650KV motor features an open-spoke bell design with visible windings and a long threaded output shaft for mounting.

The Arthur A4320 650KV brushless motor features a compact can with visible copper windings and a multi-hole mounting base for secure installation.

Flashhobby Arthur A4320 650KV brushless motor comes with a prop nut, mounting screws, and the branded storage box.
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