Damiao DM-J4340-2EC V1.1 Joint Motor
Damiao · MPN DM-J4340-2EC V1.1 · Maglev ID ac-damiao-dm-j4340-2ec-v1-1
CN Maker in China, factory not confirmed unknown VERIFIED
Compact 40:1 integrated joint motor (57 mm, about 362 g) for robot-arm and humanoid-arm joints that need 40 N·m peak at low speed.
Specifications
| Peak torque | 40 N·m |
|---|---|
| Rated torque | 12 N·m |
| Gear ratio | 40:1 planetary |
| Voltage | 24 V (48 V version also listed) |
| Mass | about 362 g |
| Interface | CAN @1 Mbps; UART for tuning; MIT, position-velocity, velocity, force-position modes |
Who makes it
MakerShenzhen Damiao Technology (深圳市达妙科技有限公司)
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 | Specs read from the parameter-table image on the maker page. No price or stock shown on the maker site. |
Equivalents from other makers
Sources
- https://www.mdmbot.com/index.php?c=show&id=135specs (parameter table image) + photo
Record confidence: VERIFIED. 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.