# Comau NJ4-170-2.9

Hardware · `NJ4-170-2.9` · verification: source checked

The Comau NJ4-170-2.9 is a six-axis industrial robot with a hollow wrist, designed for high payload applications. It carries up to 170 kg at the wrist and reaches 2918 mm horizontally, with a repeatability of 0.10 mm. Routing of services through the hollow wrist is fully internal, which the document links to lower maintenance and reduced production-stop risk.

## Specification

| Property | Value |
|---|---|
| Category | industrial robot |
| Axes | 6 |
| Payload | 170 kg |
| Reach | 2918 mm |
| Repeatability | 0.1 mm |
| Weight | 1240 kg |
| Flange | ISO 9409 – 1 – A 125 ISO 9409 – 1 – A 160 |
| IP rating | IP65 |

### Joints

| Name | Range min (°) | Range max (°) | Max speed (°/s) |
|---|---|---|---|
| Axis 1 | -180 | 180 | 100 |
| Axis 2 | -75 | 95 | 90 |
| Axis 3 | -230 | -10 | 110 |
| Axis 4 | -200 | 200 | 130 |
| Axis 5 | -200 | 200 | 125 |
| Axis 6 | -200 | 200 | 170 |

## Connected

- Manufacturer: [Comau](https://machineschema.com/manufacturer/comau.md)

## Safety

- Mounting position is limited to floor or ceiling installation.

## Study notes

- Additional load permitted on the forearm is 25 kg, separate from the 170 kg maximum wrist payload.
- Torque ratings are 1010 Nm on axis 4, 804 Nm on axis 5 and 412 Nm on axis 6.
- Operating areas stated in the document: A 3357 mm, B 2927 mm, C 2524 mm, D 744 mm, E 436 mm.
- Mounting position: floor or ceiling.
- Stated applications are assembly, machine tending, handling/packaging, measuring testing and spot welding.
- Axis 3 stroke is written as -10° / -230°.

## Sources

1. [NJ4-170-2.9: characteristics and technical specifics - Comau](https://www.comau.com/en/our-offer/products-and-solutions/robot-team/nj4-170-2-9/) (accessed 2026-10-26)

---

Source page: https://machineschema.com/hardware/comau-nj4-170-2-9  
JSON: https://machineschema.com/hardware/comau-nj4-170-2-9.json  
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite Machine Schema and the original sources.