Machine Comparison
Mazak INTEGREX e-420H vs Mazak INTEGREX i-400
Yamazaki Mazak vs Yamazaki Mazak · Mill-Turn Machines
Summary
The Mazak INTEGREX e-420H and Mazak INTEGREX i-400 are both from Yamazaki Mazak's mill-turn machines lineup, making this a common upgrade or lineup decision for shops already invested in the Yamazaki Mazak ecosystem. The Mazak INTEGREX e-420H leads in x travel (845 mm (33.27 in) vs 615 mm (24.2 in)). The Mazak INTEGREX e-420H leads in tool capacity (40 tools (80 or 120 optional) vs 36 tools (72 or 110 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 | Mazak INTEGREX e-420H | Mazak INTEGREX i-400 |
|---|---|---|
| X-Axis Travel | 845 mm (33.27 in) ▲ | 615 mm (24.2 in) |
| Y-Axis Travel | 420 mm (16.54 in) ▲ | 250 mm (9.84 in) |
| Z-Axis Travel | 1,388 mm (54.65 in) | 1,585 mm (62.4 in) ▲ |
| Tool Capacity | 40 tools (80 or 120 optional) ▲ | 36 tools (72 or 110 optional) |
| Chuck Size | 10 in (254 mm) standard / 12-15 in optional | 10 in (A2-8) |
| Bar Capacity | 77 mm (3.03 in) | 102 mm (4.0 in) ▲ |
| Control | MAZATROL SmoothAi CNC (Matrix 2 on earlier II-series) | MAZATROL SmoothAi CNC |
| B Axis Range | 240° (-30° to +210°) | 240° (-30° to +210°) |
| C Axis Rotation | 360° continuous | 360° continuous |
| Main Spindle Speed | 4,000 RPM ▲ | 3,300 RPM |
| Main Spindle Power | 30/40 hp (22/30 kW) continuous/30-min | 30 kW (40 hp) |
| Milling Spindle Speed | 12,000 RPM | 12,000 RPM (20,000 RPM optional) |
| Milling Spindle Power | 22 kW (29.3 hp) | 22 kW (30 hp) |
| Milling Spindle Taper | No. 40 / CAPTO C6 / HSK-T63 ▲ | Capto C6 |
| 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
- Larger tool magazine with 40 tools (80 or 120 optional) capacity reduces manual tool changes on complex parts
- Superior main spindle speed at 4,000 RPM vs 3,300 RPM
- Superior milling spindle taper at No. 40 / CAPTO C6 / HSK-T63 vs Capto C6
Mazak INTEGREX i-400
- Greater z travel of 1,585 mm (62.4 in) accommodates larger workpieces
- Superior bar capacity at 102 mm (4.0 in) vs 77 mm (3.03 in)
- 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 Mazak INTEGREX i-400 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.