# Leaderdrive LCS

Human: https://roboterminal.app/hardware/leaderdrive-lcs · Agent: https://roboterminal.app/hardware/leaderdrive-lcs.md

Green Harmonic. CSF-compatible cup from Suzhou. ~27% of China harmonic shipments. Flexspline 40CrNiMoA, QT + nitride. Street $120–700. Unitree-class arms buy this, not Ali clones.

- Family: Leaderdrive
- Layer: Reduce
- Maker: Leaderdrive
- Buses: none
- Typical: $120–700

## Buy

- [Leaderdrive LCS](https://www.leaderdrive.com/)

## Derivatives

- [Leaderdrive LHD](https://roboterminal.app/hardware/leaderdrive-lhd)

## Compatible

- [Damiao DM-J4310-2EC](https://roboterminal.app/hardware/damiao-j4310) (stack: CN humanoid arm)
- [Jetson Orin Nano Super](https://roboterminal.app/hardware/orin-nano) (paired: Called out as a known pair)
- [Leaderdrive LHD](https://roboterminal.app/hardware/leaderdrive-lhd) (family: Leaderdrive family)
- [T-Motor AK80-9](https://roboterminal.app/hardware/ak80-9) (paired: Called out as a known pair)
- [Unitree GO-M8010-6](https://roboterminal.app/hardware/unitree-go-m8010) (paired: Called out as a known pair)

## Stacks

- CN humanoid arm — Named China harmonic plus a cheap QDD distal. Not an Ali no-name cup.