
MyActuator RMD-X8-P20-120 Planetary Actuator
MyActuator · MPN RMD-X8-P20-120-E · Maglev ID ac-myactuator-rmd-x8-p20-120
CN Maker in China, factory not confirmed unknown VERIFIED
MyActuator's 120 N·m flagship planetary joint for humanoid hips/knees; Maglev's first-wave benchmark SKU.
Specifications
| Peak torque | 120 N·m |
|---|---|
| Rated torque | 43 N·m |
| Gear ratio | 19.612:1 planetary |
| Voltage | 48 V input |
| Mass | 1400 g |
| Interface | CAN bus / EtherCAT (variant) |
| Encoder | Dual absolute 17-bit input / 17-bit output |
| Backlash | 10 arcmin |
Who makes it
MakerSuzhou Micro Actuator Technology (MyActuator)
Based inChina
RoleBrand owner
Maglev research lists named MyActuator sales contacts and a request route for dyno reports and license/transfer scope (CN003, contacts.md); not contacted.
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.
Loading duty data…
Compliance
| HTS classification | 8501.31.40.00 typical, not a ruling |
|---|---|
| NDAA | unknown |
| Blue UAS | unknown |
| FCC | n/a |
Equivalents from other makers
Sources
- https://myactuator.us/products/rmd-x-series/rmd-x8-p20-120specs + USD price
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.



