# FANUC M-900iB/400L

Hardware · `M-900iB/400L` · verification: source checked

The M-900iB/400L is a six-axis floor-mounted industrial robot with a 400 kg maximum load capacity at the wrist and a 3704 mm reach. It is intended for heavy-payload work such as loading and unloading heavy workpieces, layer palletizing, press transfer and heavy-duty spot welding. It is driven by the FANUC R-30iB Plus controller in the B-Cabinet version.

## Specification

| Property | Value |
|---|---|
| Category | industrial robot |
| Axes | 6 |
| Payload | 400 kg |
| Reach | 3704 mm |
| Repeatability | 0.1 mm |
| Weight | 3150 kg |
| Power consumption | 5 kW |
| IP rating | IP54 |

### Joints

| Name | Max speed (°/s) |
|---|---|
| J1 | 80 |
| J2 | 80 |
| J3 | 80 |
| J4 | 100 |
| J5 | 100 |
| J6 | 160 |

## Connected

- Manufacturer: [FANUC](https://machineschema.com/manufacturer/fanuc.md)
- Controllers: [FANUC R-30iB Plus B-Cabinet](https://machineschema.com/controller/fanuc-r-30ib-plus-b-cabinet.md)

## Study notes

- Repeatability of ±0.1 mm is stated as based on ISO 9283.
- Body protection is IP54 as standard, with IP56 available as an option.
- Wrist and J3 arm protection is IP67 as standard.
- A severe dust and liquid protection (SDLP) option adds a protection kit for the robot base, drive train and J1/J2 axes.
- Maximum wrist moments/inertia: J4 2744 N·m / 1098 kg·m2, J5 2744 N·m / 1098 kg·m2, J6 1725 N·m / 444 kg·m2.
- Average power consumption is 5 kW.
- A long-arm version (M-900iB/400L Long arm) is available on request.
- Mounting is floor mounting.
- Motion ranges (degrees): J1 360, J2 154, J3 160, J4 720, J5 244, J6 720.

## Sources

1. [FANUC M-900iB/400L Robot - Long Arm Heavy Payload Robot](https://www.fanucamerica.com/products/robot/m-900ib-400l) (accessed 2026-10-25)
2. [m 900ib 400l datasheet](https://www.fanucamerica.com/uploads/files/data-sheets/m-900ib-400l-datasheet.pdf) (accessed 2026-10-25)

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