# INDEX MS40-8

Hardware · `MS40-8` · verification: source checked

The INDEX MS40-8 is an 8-spindle CNC automatic lathe for bar machining with a 40 mm bar capacity. It uses motorized spindles in a spindle drum and lists a maximum spindle speed of 7,000 rpm, 24 kW maximum power and 57 Nm maximum torque. The technical data lists a Siemens S840D sl control and an 18.5-inch multi-touch screen.

## Specification

| Property | Value |
|---|---|
| Category | cnc lathe |
| Weight | 10300 kg |
| Spindle max | 7000 rpm |
| Spindle power | 24 kW |
| Bar capacity | 40 mm |
| Spindle torque | 57 N·m |
| Spindles | 8 |

## Connected

- Manufacturer: [INDEX-TRAUB](https://machineschema.com/manufacturer/index-traub.md)

## Study notes

- The machine has 8 fluid-cooled motorized spindles integrated in a spindle drum.
- The control is listed as Siemens S840D sl with an 18.5-inch multi-touch screen.
- Technical data also lists a second spindle group with max. 1/2 spindles, 8,000 rpm, 10/14 kW and 16/22 Nm.
- Slide travels are listed as X 85 mm, Y 42 mm, Z 120 mm and Z 150 mm for different slides.
- Machine configuration lists up to 14 tool carriers with 1, 2 or 3 axes and backworking with 7/14 tools, of which 2/4 are driven.
- Connecting power is listed as 66–104 kW.
- The long version dimensions are 4,010 x 2,142 x 3,216 mm.
- The spindle drum uses a three-piece Hirth coupling in the machining position.

## Sources

1. [8 Spindeln für maximale Produktivität](https://www.index-group.com/en/products/multi-spindle-machines/index-ms40-8) (accessed 2026-10-26)

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