# Comau NJ-420-3.0

Hardware · `NJ-420-3.0` · verification: source checked

The Comau NJ-420-3.0 is a six-axis industrial robot with a 420 kg maximum wrist payload and a 2997 mm maximum horizontal reach. It is intended for heavy-duty tasks such as handling, assembly, machine tending, foundry work, spot welding and palletising. Repeatability is stated as 0.15 mm and the robot weighs 2450 kg.

## Specification

| Property | Value |
|---|---|
| Category | industrial robot |
| Axes | 6 |
| Payload | 420 kg |
| Reach | 2997 mm |
| Repeatability | 0.15 mm |
| Weight | 2450 kg |
| Flange | ISO 9409 – 1 – 200 – 6 – M12 |

### Joints

| Name | Range min (°) | Range max (°) | Max speed (°/s) |
|---|---|---|---|
| Axis 1 | -180 | 180 | 85 |
| Axis 2 | -60 | 75 | 85 |
| Axis 3 | -220 | -10 | 85 |
| Axis 4 | -2700 | 2700 | 90 |
| Axis 5 | -125 | 125 | 90 |
| Axis 6 | -2700 | 2700 | 120 |

## Connected

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

## Safety

- Mounting position is restricted to floor.

## Study notes

- Additional load permitted on the forearm is 50 kg.
- Torque ratings stated per wrist axis: 2550 Nm on axis 4, 2550 Nm on axis 5, 1569 Nm on axis 6.
- Operating areas are given as A 3680 mm, B 2997 mm, C 3195 mm, D 433 mm and E -118 mm.
- Protection class is stated as IP65 / IP67.
- Mounting position is floor.
- Listed applications: handling, assembly, machine tending, handling/packaging, measuring and testing, polishing and deburring, foundry, spot welding, palletising.

## Sources

1. [NJ-420-3.0: characteristics and technical specifics - Comau](https://www.comau.com/en/our-offer/products-and-solutions/robot-team/nj-420-3-0/) (accessed 2026-10-26)

---

Source page: https://machineschema.com/hardware/comau-nj-420-3-0  
JSON: https://machineschema.com/hardware/comau-nj-420-3-0.json  
License: CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/). Cite Machine Schema and the original sources.