# Zhongda Leader 90AF Helical Planetary Gearbox, 10:1

![Zhongda Leader 90AF Helical Planetary Gearbox, 10:1](https://trymaglev.com/parts/img/ac-zd-90af-010.webp)

Chinese 90 mm helical servo planetary, single-stage 10:1; 70 N·m rated, ≤5 arcmin.

- Maglev ID: ac-zd-90af-010
- Brand: Zhongda Leader (ZD)
- MPN: 90AF10 (motor flange per order)
- Category: actuators / Precision Planetary Reducers
- Origin: CN (maker HQ, factory not confirmed)
- Maker: Ningbo Zhongda Leader Intelligent Transmission Co., Ltd. (中大力德) (brand, CN)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8483.40.50
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

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

## Specifications
- Ratio: 10:1
- Rated output torque: 70 N·m
- Backlash: ≤5 arcmin (1-stage)
- Frame size: 90 mm
- Stages: 1
- Mass: 2.5 kg
- Body diameter (D7): Φ90 mm
- Overall length L1 incl. output shaft (1-stage): 151 mm
- Input shaft (motor bore) D3, max: ≤19 G7
- Hollow bore (solid keyed output shaft Φ20h7): 0 (solid shaft)

## Links
- Product: https://en.zd-motor.com/products_detail/348.html
- Datasheet: none
- CAD: none

## Equivalents
- Apex Dynamics AB090 Helical Planetary Gearbox, 5:1 (ac-apex-ab090-005)

## Sources
- https://en.zd-motor.com/products_detail/348.html (AF tables; Body diameter (D7) (researched 2026-11-03); Overall length L1 incl. output shaft (1-stage) (researched 2026-11-03); Input shaft (motor bore) D3, max (researched 2026-11-03); Hollow bore (solid keyed output shaft Φ20h7) (researched 2026-11-03))