Machine Comparison
Okuma MULTUS B200II vs Okuma Multus B250II
Okuma vs Okuma · Mill-Turn Machines
Summary
The Okuma MULTUS B200II and Okuma Multus B250II are both from Okuma's mill-turn machines lineup, making this a common upgrade or lineup decision for shops already invested in the Okuma ecosystem. The Okuma MULTUS B200II leads in tool capacity (40 (options: 60, 80) vs 20 tools (40 or 60 optional)). These machines are closely matched across most specifications, making the decision more about specific feature priorities, dealer support, and your existing shop ecosystem than raw spec advantages. 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 | Okuma MULTUS B200II | Okuma Multus B250II |
|---|---|---|
| Tool Capacity | 40 (options: 60, 80) ▲ | 20 tools (40 or 60 optional) |
| Bar Capacity | 65 mm (2.56 in) | 66 mm (2.6 in) |
| Max Turning Diameter | 630 mm (24.8 in) ▲ | 600 mm (23.62 in) |
| Control | Okuma OSP-P300SA | Okuma OSP-P500 |
| Main Spindle Speed | 5,000 RPM ▲ | 45 - 5,000 RPM |
| Main Spindle Power | 22/15 kW (30/20 hp) | 22/15 kW (30/20 hp) |
| Main Spindle Torque | 300 Nm (221 ft-lb) | 326/239 Nm (20 min/continuous) ▲ |
| Milling Spindle Speed | 12,000 RPM | 12,000 RPM (20,000 RPM optional) |
| Milling Spindle Power | 22/18.5 kW (30/25 hp) ▲ | 12/8 kW (16/11 hp) |
| B Axis Range | -30° to +195° (225° swing, 0.001° increment) | 225° ▲ |
| Price Range | $350,000 - $500,000 | $305,000 - $380,000 ▲ |
Advantages
Okuma MULTUS B200II
- Larger tool magazine with 40 (options: 60, 80) capacity reduces manual tool changes on complex parts
- Superior max turning diameter at 630 mm (24.8 in) vs 600 mm (23.62 in)
- Superior main spindle speed at 5,000 RPM vs 45 - 5,000 RPM
- Superior milling spindle power at 22/18.5 kW (30/25 hp) vs 12/8 kW (16/11 hp)
Okuma Multus B250II
- Superior main spindle torque at 326/239 Nm (20 min/continuous) vs 300 Nm (221 ft-lb)
- Superior b axis range at 225° vs -30° to +195° (225° swing, 0.001° increment)
- More competitive pricing at $305,000 - $380,000 compared to $350,000 - $500,000
Verdict
This is a close matchup. The Okuma MULTUS B200II and Okuma Multus B250II trade advantages across different specifications, making neither a clear winner on paper alone. Your decision should come down to practical factors: which dealer is closer, which control system your operators already know, what tooling ecosystem you're invested in, and which machine's specific strengths match your highest-volume work. Get quotes on both, run test cuts with your actual parts if possible, and factor in long-term service and support costs.