
HighTorque HTDW-4438-30-NE Planetary Joint Module (30:1)
Small planetary joint module (BLDC motor, 30:1 planetary gear, FOC driver, dual absolute encoders) for small humanoids, exoskeletons and desktop arms; the maker builds its Mini Pi robots on this line.
Specifications
| Peak torque | 10 N·m locked-rotor torque (maker lists no separate peak) |
|---|---|
| Rated torque | 2 N·m |
| Gear ratio | 30:1 planetary |
| Voltage | 12-48 V (distributor and Seeed wiki; not on maker page) |
| Mass | 237 g |
| Interface | CAN-FD (maker publishes an FDCAN protocol document; 5 Mbps) |
| Size | 44 x 44 x 43.4 mm |
Who makes it
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
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.
Loading duty data…
Compliance
| HTS classification | 8501.31.40.00 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
| Notes | rcdrone lists 194 g and 40 mm height; maker page says 237 g / 43.4 mm. |
Sources
- https://www.hightorquerobotics.com/product?id=73maker spec block (size, mass, ratio, rated and locked-rotor torque)
- https://www.hightorquerobotics.com/productmaker product list
- https://rcdrone.top/products/high-torque-htdw-4438-30-ne-motorUSD price, 12-48 V
- https://wiki.seeedstudio.com/cn/hightorque_series/Seeed wiki: 12-48 V, CAN, 5 Mbps, encoders
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.