# Leaderdrive LHD-20-100 Ultra-Flat Hollow-Shaft Strain-Wave Reducer

![Leaderdrive LHD-20-100 Ultra-Flat Hollow-Shaft Strain-Wave Reducer](https://parts.trymaglev.com/img/ac-leaderdrive-lhd-20-100.webp)

Size-20 100:1 ultra-flat hollow-shaft harmonic reducer, about 50% shorter axially than LHS/LHSG, aimed at thin humanoid and cobot joints.

- Maglev ID: ac-leaderdrive-lhd-20-100
- Brand: Leaderdrive
- MPN: LHD-20-100
- Category: actuators / Strain-Wave (Harmonic) Reducers
- Origin: CN (maker HQ, factory not confirmed)
- Maker: Leaderdrive (苏州绿的谐波传动科技股份有限公司) (brand, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8483.40.50.10
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- No public price. Request a quote via POST /api/rfq or the order pad.

## Specifications
- Ratio: 100:1
- Rated torque: 28 N·m (table rated input 3,500 rpm)
- Peak torque (repeated / momentary): 57 N·m repeated (start/stop) / 95 N·m momentary
- Backlash: ≤10 arcsec max
- Outer diameter: unknown
- Hollow shaft: yes (LHD-III: large hollow wave generator cam with support bearing)

## Links
- Product: http://www.leaderdrive.com/product/2.html
- Datasheet: none
- CAD: none

## Equivalents
- Harmonic Drive CSD-20-100-2UH Ultra-Flat Strain-Wave Gear Unit (ac-harmonicdrive-csd-20-100-2uh)
- Laifual FHD-20-100 Ultra-Short Strain-Wave Reducer (ac-laifual-fhd-20-100)

## Sources
- http://www.leaderdrive.com/product/2.html (LHD table: size 20, ratio 100; LHD-I / LHD-III variants)