# maxon GP 42 C Planetary Gearhead, 3.5:1

![maxon GP 42 C Planetary Gearhead, 3.5:1](https://parts.trymaglev.com/img/ac-maxon-gp42c-203113.webp)

Swiss 42 mm ceramic planetary gearhead for maxon DC/EC motors; sold only as part of a motor combination.

- Maglev ID: ac-maxon-gp42c-203113
- Brand: maxon
- MPN: 203113
- Category: actuators / Precision Planetary Reducers
- Origin: CH (maker HQ, factory not confirmed)
- Maker: maxon motor ag (brand, CH)
- NDAA: unknown · Blue UAS: unknown · FCC: n/a
- HTS: 8483.40.50.10 (typical)
- MOQ: unknown · Lead time: unknown
- Confidence: VERIFIED

## Price
- 1+: $306.71 (list, 2026-10-29, https://www.maxongroup.com/maxon/view/product/gear/planetary/gp42/203113; €283.99 excl. VAT/shipping (1-4 pcs); USD at assumed ~1.08 USD/EUR)
- 20+: $215.88 (list, 2026-10-29, https://www.maxongroup.com/maxon/view/product/gear/planetary/gp42/203113; €199.89 (20-49 pcs))

## Specifications
- Ratio: 3.5:1 (7/2)
- Max continuous torque: 3 N·m (4.5 N·m intermittent)
- Backlash: 0.6° average no-load (36 arcmin)
- Outer diameter: 42 mm
- Mass: 260 g
- Frame size: 42 mm
- Stages: unknown

## Links
- Product: https://www.maxongroup.com/maxon/view/product/gear/planetary/gp42/203113
- Datasheet: none
- CAD: https://www.maxongroup.com/medias/sys_master/root/8824913920030/203133-203115-203120-203128.zip

## Equivalents
- Neugart PLE 60 Economy Planetary Gearbox (ac-neugart-ple60)
- maxon GPX 22 HP, 2-stage, 44:1 Planetary Gearhead (ac-maxon-gpx22hp-44)
- maxon GPX 26 HP, 3-stage, 62:1 Planetary Gearhead (ac-maxon-gpx26hp-62)
- maxon GPX 32 LZ (reduced backlash), 2-stage, 16:1 Planetary Gearhead (ac-maxon-gpx32lz-16)

## Works with
- ams OSRAM AS5047P Adapter Board (ac-ams-as5047p-ts-ek-ab)

## Sources
- https://www.maxongroup.com/maxon/view/product/gear/planetary/gp42/203113 (specs + EUR tiered price + STEP)