# FANUC R-2000/125F-31E

Hardware · `R-2000/125F-31E` · verification: source checked

The FANUC R-2000/125F-31E is a six-axis floor-mounted industrial robot with a 125 kg payload and 3100 mm reach. It is controlled by a FANUC R-50iA controller and is used for spot welding, material handling, and general assembly tasks. Its repeatability is ±0.05 mm, and its mechanical weight is 1125 kg without the controller.

## Specification

| Property | Value |
|---|---|
| Category | industrial robot |
| Axes | 6 |
| Payload | 125 kg |
| Reach | 3100 mm |
| Repeatability | 0.05 mm |
| Weight | 1125 kg |
| Power consumption | 2.5 kW |

### Joints

| Name | Range min (°) | Range max (°) | Max speed (°/s) |
|---|---|---|---|
| J1 | -185 | 185 | 130 |
| J2 |  |  | 120 |
| J3 |  |  | 140 |
| J4 |  |  | 220 |
| J5 |  |  | 220 |
| J6 |  |  | 300 |

## Connected

- Manufacturer: [FANUC](https://machineschema.com/manufacturer/fanuc.md)
- Controllers: [FANUC R-50iA](https://machineschema.com/controller/fanuc-r-50ia.md)

## Study notes

- Repeatability is based on ISO 9283.
- Mechanical weight of 1125 kg is stated without the controller.
- IP67 protection is listed for the wrist and J3 arm; body protection is not stated.
- Wrist allowable moments/inertia: J4 760 N·m / 100 kg·m², J5 760 N·m / 100 kg·m², J6 415 N·m / 75 kg·m².
- During short-distance motions, axis speed may not reach the stated maximum.

## Sources

1. [R-2000/125F-31E](https://www.fanucamerica.com/products/robot/r-2000-125f-31e) (accessed 2026-10-25)
2. [r 2000 125f 31e datasheet](https://www.fanucamerica.com/uploads/files/data-sheets/r-2000-125f-31e-datasheet.pdf) (accessed 2026-10-25)

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