# SteadyWin GIM8108-8 Joint Motor

> SteadyWin GIM8108-8 is a Ø92 mm brushless joint motor with an 8:1 steel planetary reducer. With the GDS68 driver at 48 V (12–56 V) it gives 7.5 N·m rated and 22 N·m stall torque, 110 rpm rated and 320 rpm max, 336 W, 1 N·m/A and 15 arcmin backlash. It has a 16-bit encoder plus an optional second encoder, CAN, IP54, and weighs 396 g at Ø92 × 55 mm.

- Manufacturer: SteadyWin
- Part number: GIM8108-8
- Category: Actuators
- Canonical page: https://www.xirkit.io/products/steadywin-gim8108-8-joint-motor-c1b0
- Structured JSON: https://www.xirkit.io/products/steadywin-gim8108-8-joint-motor-c1b0/data.json
- Source: Xirkit structured parts catalog — every value traced to a cited document; unknowns are explicit.

## Key specifications

| Property | Value |
| --- | --- |
| Actuator type | qdd |
| Gearbox | planetary 8:1 |
| Rated torque | 7.5 N·m |
| Peak torque | 22 N·m |
| Rated speed | 110 rpm |
| No-load speed | 320 rpm |
| Rated voltage | 48 V |
| Rated current | 7 A |
| Torque constant Kt | 1 N·m/A |
| Speed constant Kv | 6.04 rpm/V |
| Backlash | 0.25° |
| Encoder | 16-bit onboard + optional second encoder |
| Control interface | CAN |
| Dimensions | 92 × 92 × 55 mm |
| Operating temperature | -20 to 80 °C |

## Where to buy

| Supplier | Price | Stock | Checked | URL |
| --- | --- | --- | --- | --- |
| www.roboticscenter.ai | 85 USD | preorder | 2026-10-18 | https://www.roboticscenter.ai/store/product/steadywin-gim8108-8-planetary-reducer-servo-motor/ |

## FAQ

**How much does the SteadyWin GIM8108-8 Joint Motor cost?**

From $85 at www.roboticscenter.ai. Prices are observed unit prices before tax and shipping.

**What are the SteadyWin GIM8108-8 Joint Motor dimensions?**

92 × 92 × 55 mm. A STEP model is available for enclosure fit checks.

**Where does this SteadyWin GIM8108-8 Joint Motor data come from?**

Every value in this record is traced to a source — 2 documents including the board and chip datasheets — with the page and table cited per value. Unknowns are left explicit, never guessed.

## Sources

- [SteadyWin GIM8108-8 Joint Motor datasheet](https://www.roboticscenter.ai/store/product/steadywin-gim8108-8-planetary-reducer-servo-motor/)
- [www.roboticscenter.ai listing](https://www.roboticscenter.ai/store/product/steadywin-gim8108-8-planetary-reducer-servo-motor/)

## Part graph

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### Variants

- [SteadyWin GIM6010-8 Joint Motor](https://www.xirkit.io/products/steadywin-gim6010-8-joint-motor-8d61) — Same SteadyWin GIM 8:1 planetary joint series and GDS68 driver; larger Ø92 frame (7.5 vs 5 N·m rated)