Damiao DM-J4310-2EC Joint Motor
Damiao · MPN DM-J4310-2EC · Maglev ID ac-damiao-dm-j4310-2ec
CN Maker in China, factory not confirmed unknown REPORTED
Low-cost 10:1 dual-encoder joint (~306 g) popular for small arms and LeRobot-style builds; MIT-mode CAN control.
Specifications
| Peak torque | 7 N·m (V3); 12.5 N·m listed for V4 |
|---|---|
| Rated torque | 3 N·m (V3); 3.5 N·m (V4) |
| Gear ratio | 10:1 |
| Voltage | 24 V or 48 V versions |
| Mass | ~306 g |
| Interface | CAN 1 Mbps (control) + UART 921600 (config) |
| Encoder | Dual magnetic, 14-bit (V3) / 16-bit (V4) |
Who makes it
MakerShenzhen Damiao Technology (达妙科技)
Based inChina
RoleBrand owner
Need a different shaft, connector, firmware or enclosure, or a price at 1,000 units? Maglev takes the catalog part to the factory and comes back with a custom version and one fixed price.
Landed cost in the US
CN
41.5%
TW
10%
VN
16.5%
IN
14%
JP
12.5%
KR
12.5%
DE
10%
MX
14%
US
0%
Total US duty on this part by where it is made (2026-10-29). Mexico shown before USMCA preference; qualifying goods enter duty free. Your factory choice, not the shipping port, sets the origin.
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Compliance
| HTS classification | 8501.31.40.00 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | Seller page mixes V3 and V4 figures; confirm version before ordering. |
Equivalents from other makers
Works with
Sources
- https://openelab.com/products/damiao-brushless-servo-dm-j4310specs + price (distributor)
Record confidence: REPORTED. VERIFIED means the maker's own documents; REPORTED means a credible third party; UNVERIFIED means a single weak source. Anything we could not confirm says unknown.