Machine Comparison
Mazak INTEGREX e-420H vs Okuma MULTUS U3000
Yamazaki Mazak vs Okuma · Mill-Turn Machines
Summary
The Mazak INTEGREX e-420H from Yamazaki Mazak and Okuma MULTUS U3000 from Okuma are direct competitors in the mill-turn machines category. The Mazak INTEGREX e-420H leads in x travel (845 mm (33.27 in) vs 645 mm (25.39 in)). The Mazak INTEGREX e-420H leads in chuck size (10 in (254 mm) standard / 12-15 in optional vs 8 in (203 mm)). 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 | Mazak INTEGREX e-420H | Okuma MULTUS U3000 |
|---|---|---|
| X-Axis Travel | 845 mm (33.27 in) ▲ | 645 mm (25.39 in) |
| Y-Axis Travel | 420 mm (16.54 in) ▲ | 250 mm (9.84 in) |
| Z-Axis Travel | 1,388 mm (54.65 in) | 1,600 mm (62.99 in) ▲ |
| Tool Capacity | 40 tools (80 or 120 optional) | 40 tools (80, 120, or 189 optional) |
| Chuck Size | 10 in (254 mm) standard / 12-15 in optional ▲ | 8 in (203 mm) |
| Bar Capacity | 77 mm (3.03 in) | 80 mm (3.15 in) ▲ |
| Max Turning Diameter | 670 mm (26.4 in) ▲ | 650 mm (25.59 in) |
| Max Turning Length | 1,524 mm (60 in) standard / 3,048 mm (120 in) optional ▲ | 1,000 / 1,500 mm (39.37 / 59.06 in) |
| Control | MAZATROL SmoothAi CNC (Matrix 2 on earlier II-series) | Okuma OSP-P500 |
| B Axis Range | 240° (-30° to +210°) | 240° (-30° to +210°) |
| Main Spindle Speed | 4,000 RPM | 5,000 RPM ▲ |
| Main Spindle Power | 30/40 hp (22/30 kW) continuous/30-min ▲ | 22/15 kW (30/20 hp) |
| Milling Spindle Speed | 12,000 RPM | 12,000 RPM |
| Milling Spindle Power | 22 kW (29.3 hp) | 25/19 kW (34/25 hp) ▲ |
| Price Range | $450,000 - $650,000 | $350,000 - $550,000 ▲ |
Advantages
Mazak INTEGREX e-420H
- Greater x travel of 845 mm (33.27 in) accommodates larger workpieces
- Greater y travel of 420 mm (16.54 in) accommodates larger workpieces
- Superior chuck size at 10 in (254 mm) standard / 12-15 in optional vs 8 in (203 mm)
- Superior max turning diameter at 670 mm (26.4 in) vs 650 mm (25.59 in)
- Superior max turning length at 1,524 mm (60 in) standard / 3,048 mm (120 in) optional vs 1,000 / 1,500 mm (39.37 / 59.06 in)
Okuma MULTUS U3000
- Greater z travel of 1,600 mm (62.99 in) accommodates larger workpieces
- Superior bar capacity at 80 mm (3.15 in) vs 77 mm (3.03 in)
- Superior main spindle speed at 5,000 RPM vs 4,000 RPM
- Superior milling spindle power at 25/19 kW (34/25 hp) vs 22 kW (29.3 hp)
- More competitive pricing at $350,000 - $550,000 compared to $450,000 - $650,000
Verdict
This is a close matchup. The Mazak INTEGREX e-420H and Okuma MULTUS U3000 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.