Machine Comparison
Index G220 vs Okuma MULTUS B200II
Index-Traub vs Okuma · Mill-Turn Machines
Summary
The Index G220 from Index-Traub and Okuma MULTUS B200II from Okuma are direct competitors in the mill-turn machines category. The Okuma MULTUS B200II leads in rapid traverse (40 m/min (X, Z) vs 30 m/min (1,181 ipm)). The Okuma MULTUS B200II shows specification advantages in 7 categories, though the Index G220 may still be the better choice depending on your shop's specific needs and the type of work you run. Both machines are proven performers in production environments and represent solid investments for shops in the market for a mill-turn machine.
Specifications Comparison
| Specification | Index G220 | Okuma MULTUS B200II |
|---|---|---|
| Rapid Traverse | 30 m/min (1,181 ipm) | 40 m/min (X, Z) ▲ |
| Max Turning Diameter | 220 mm (8.66 in) | 630 mm (24.8 in) ▲ |
| Control | Index C200-SL (Siemens 840D SL) | Okuma OSP-P300SA |
| Main Spindle Power | 29 kW (39 HP) ▲ | 22/15 kW (30/20 hp) |
| Main Spindle Speed | 6,000 RPM ▲ | 5,000 RPM |
| Milling Spindle Power | 12 kW | 22/18.5 kW (30/25 hp) ▲ |
| Milling Spindle Speed | 12,000 RPM | 12,000 RPM |
| Y Axis Travel | 100 mm (+/- 50 mm) | 130 mm (5.1 in) ▲ |
| X Axis Travel | 215 mm (8.46 in) | 390 mm (15.4 in) ▲ |
| Z Axis Travel | 800 mm (31.5 in) ▲ | 750 mm (29.5 in) |
| Machine Weight | 8,500 kg (18,739 lb) approx. | 12,500 kg (27,558 lb) ▲ |
| Price Range | $450,000 - $650,000 (new) | $350,000 - $500,000 ▲ |
Advantages
Index G220
- Superior main spindle power at 29 kW (39 HP) vs 22/15 kW (30/20 hp)
- Superior main spindle speed at 6,000 RPM vs 5,000 RPM
- Superior z axis travel at 800 mm (31.5 in) vs 750 mm (29.5 in)
Okuma MULTUS B200II
- Faster rapid traverse at 40 m/min (X, Z) reduces non-cutting time between operations
- Superior max turning diameter at 630 mm (24.8 in) vs 220 mm (8.66 in)
- Superior milling spindle power at 22/18.5 kW (30/25 hp) vs 12 kW
- Superior y axis travel at 130 mm (5.1 in) vs 100 mm (+/- 50 mm)
- Superior x axis travel at 390 mm (15.4 in) vs 215 mm (8.46 in)
Verdict
The Okuma MULTUS B200II edges ahead on specifications in this comparison, particularly in Rapid Traverse and Max Turning Diameter. However, the Index G220 remains competitive and may be the better choice depending on price, dealer support in your area, or specific workholding and tooling considerations. Both are capable machines — the best decision comes from running your actual parts and evaluating total cost of ownership including tooling, training, and service.