Machine Comparison
Okuma Multus B250II vs Okuma MULTUS B300II
Okuma vs Okuma · Mill-Turn Machines
Summary
The Okuma Multus B250II and Okuma MULTUS B300II 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. 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 B250II | Okuma MULTUS B300II |
|---|---|---|
| Y-Axis Travel | 200 mm (7.87 in) ▲ | 160 mm (6.3 in) |
| Tool Capacity | 20 tools (40 or 60 optional) | 20 tools |
| Chuck Size | 8 in (main) / 6 in (sub) | 8 in (standard) |
| Control | Okuma OSP-P500 | Okuma OSP-P500M |
| Main Spindle Speed | 45 - 5,000 RPM | 5,000 RPM ▲ |
| Main Spindle Power | 22/15 kW (30/20 hp) ▲ | 15/11 kW (20 min/continuous) (20/15 hp) |
| Price Range | $305,000 - $380,000 ▲ | $350,000 - $550,000 |
Advantages
Okuma Multus B250II
- Greater y travel of 200 mm (7.87 in) accommodates larger workpieces
- Superior main spindle power at 22/15 kW (30/20 hp) vs 15/11 kW (20 min/continuous) (20/15 hp)
- More competitive pricing at $305,000 - $380,000 compared to $350,000 - $550,000
Okuma MULTUS B300II
- Superior main spindle speed at 5,000 RPM vs 45 - 5,000 RPM
- Backed by Okuma's dealer and service network for parts and support
- Aerospace shops machining complex shaft and fitting components requiring both turning and milling features in tight-tolerance single setups
Verdict
This is a close matchup. The Okuma Multus B250II and Okuma MULTUS B300II 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.