Machine Comparison
DMG Mori NT 4300 DCG vs DMG Mori NT 5400 DCG
DMG Mori vs DMG Mori · Mill-Turn Machines
Summary
The DMG Mori NT 4300 DCG and DMG Mori NT 5400 DCG are both from DMG Mori's mill-turn machines lineup, making this a common upgrade or lineup decision for shops already invested in the DMG Mori ecosystem. The DMG Mori NT 4300 DCG leads in rapid traverse (40 m/min (1,575 ipm) vs 36 m/min (1,417 ipm)). The DMG Mori NT 5400 DCG leads in chuck size (18 in (457 mm) vs 15 in (380 mm)). The DMG Mori NT 5400 DCG shows specification advantages in 9 categories, though the DMG Mori NT 4300 DCG 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 | DMG Mori NT 4300 DCG | DMG Mori NT 5400 DCG |
|---|---|---|
| Rapid Traverse | 40 m/min (1,575 ipm) ▲ | 36 m/min (1,417 ipm) |
| Chuck Size | 15 in (380 mm) | 18 in (457 mm) ▲ |
| Bar Capacity | 102 mm (4.0 in) | 127 mm (5.0 in) ▲ |
| Max Turning Diameter | 700 mm (27.6 in) | 900 mm (35.4 in) ▲ |
| Max Turning Length | 1,350 mm (53.1 in) | 1,500 mm (59.1 in) ▲ |
| Machine Weight | 19,000 kg (41,888 lb) ▲ | 24,000 kg (52,910 lb) |
| Control | Fanuc 31iB5 with MAPPS | Fanuc 31iB5 with MAPPS |
| Max X Axis Travel | 675 mm (26.6 in) | 780 mm (30.7 in) ▲ |
| Max Y Axis Travel | 300 mm (11.8 in) / +/-150 mm | 350 mm (13.8 in) / +/-175 mm ▲ |
| Max Z Axis Travel | 1,510 mm (59.4 in) | 1,710 mm (67.3 in) ▲ |
| Main Spindle Speed | 3,500 RPM ▲ | 3,000 RPM |
| Main Spindle Power | 37 kW (50 hp) | 45 kW (60 hp) ▲ |
| Main Spindle Torque | 700 Nm | 1,000 Nm ▲ |
| Sub Spindle Speed | 4,000 RPM (optional) ▲ | 3,500 RPM (optional) |
| Price Range | $550,000 - $850,000 ▲ | $750,000 - $1,200,000 |
Advantages
DMG Mori NT 4300 DCG
- Faster rapid traverse at 40 m/min (1,575 ipm) reduces non-cutting time between operations
- Lighter at 19,000 kg (41,888 lb), potentially easier installation and lower foundation requirements
- Superior main spindle speed at 3,500 RPM vs 3,000 RPM
- Superior sub spindle speed at 4,000 RPM (optional) vs 3,500 RPM (optional)
- More competitive pricing at $550,000 - $850,000 compared to $750,000 - $1,200,000
DMG Mori NT 5400 DCG
- Superior chuck size at 18 in (457 mm) vs 15 in (380 mm)
- Superior bar capacity at 127 mm (5.0 in) vs 102 mm (4.0 in)
- Superior max turning diameter at 900 mm (35.4 in) vs 700 mm (27.6 in)
- Superior max turning length at 1,500 mm (59.1 in) vs 1,350 mm (53.1 in)
- Superior max x axis travel at 780 mm (30.7 in) vs 675 mm (26.6 in)
Verdict
The DMG Mori NT 5400 DCG edges ahead on specifications in this comparison, particularly in Chuck Size and Bar Capacity. However, the DMG Mori NT 4300 DCG 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.