DMG MORI NT 4250 DCG
USED DMG MORI NT 4250 DCG
The DMG MORI NT 4250 DCG is a high-performance integrated turn-mill center designed for complete machining of medium-to-large, complex components in a single setup. As part of the NT DCG series, it represents a blend of turning center power and machining center flexibility, making it suitable for industries such as aerospace, automotive, energy, and precision engineering. The machine is particularly known for its rigidity, accuracy, and ability to handle demanding cutting applications.
The NT 4250 DCG supports workpieces up to approximately 660 mm in diameter and 1,542 mm in length, with a bar capacity of around 80 mm, allowing it to process a wide range of medium-to-large components. A key feature is its simultaneous 5-axis machining capability, enabled by a Direct Drive Motor (DDM) on the B-axis with a ±120° swivel range, allowing complex geometries to be machined in a single setup.
The machine incorporates DMG MORI’s proprietary DCG (Driven at the Center of Gravity) technology, which minimizes vibration and improves dynamic accuracy by aligning drive forces through the center of mass. This, combined with the Box-in-Box structure and ORC (Octagonal Ram Construction), ensures high rigidity and thermal stability during long machining cycles.
The milling spindle can reach speeds of up to 12,000 rpm, while the turning spindle delivers high torque for heavy-duty cutting. The machine also supports dual spindles and optional turret configurations, enabling parallel machining operations and further reducing cycle times.
Additionally, the NT 4250 DCG is equipped with MAPPS Fanuc control systems and supports automation integration such as robotic loading and pallet systems. Overall, it is a powerful and precise multi-tasking solution designed to improve productivity, reduce setup time, and deliver high-quality results in demanding manufacturing environments.
DMG MORI NT 4250 DCG SPECIFICATIONS
| DMG MORI NT 4250 DCG – AXIS |
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| X-Axis (Radial Movement) |
| Y-Axis (Off-center Milling Capability) |
| Z-Axis (Longitudinal Movement) |
| B-Axis (Swiveling Milling Spindle – Direct Drive) |
| C-Axis (Main Spindle Indexing) |
| DMG MORI NT 4250 DCG – AXIS TRAVELS |
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| X-Axis Travel: approx. 750 mm |
| Y-Axis Travel: approx. 420 mm |
| Z-Axis Travel: approx. 1,650 mm |
| B-Axis Rotation: approx. ±120° |
| C-Axis Rotation: 360° continuous |
| DMG MORI NT 4250 DCG – CAPACITY |
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| Maximum Turning Diameter: approx. 660 mm |
| Maximum Turning Length: approx. 1,542 mm |
| Maximum Bar Capacity: approx. 80 mm |
| Maximum Workpiece Weight: approx. 1,000–1,500 kg |
| DMG MORI NT 4250 DCG – SPINDLE |
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| Main Spindle Speed: up to 4,000 rpm (typical) |
| Main Spindle Power: approx. 30–40 kW |
| Main Spindle Torque: approx. 500–700 Nm |
| Milling Spindle Speed: up to 12,000 rpm |
| Milling Spindle Power: approx. 25–35 kW |
| Milling Spindle Interface: Capto (2-face contact) |
| DMG MORI NT 4250 DCG – TABLE / WORKHOLDING |
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| Chuck Size: approx. 250 mm (10 inch) |
| Hydraulic Chuck System |
| Digital Tailstock (standard) |
| Optional Secondary Turret / Spindle |
| DMG MORI NT 4250 DCG – TOOL SYSTEM |
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| Tool System: Capto Tooling |
| Automatic Tool Changer (ATC) |
| Multi-tool capability for turn-mill |
| High rigidity tool clamping |
| DMG MORI NT 4250 DCG – FEEDRATES |
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| High-speed feed drives |
| Direct Drive Motor (DDM) on B-axis |
| High precision simultaneous 5-axis machining |
| Smooth interpolation control |
| DMG MORI NT 4250 DCG – COOLANT & CHIP MANAGEMENT |
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| Flood Coolant System |
| Optional High-pressure Coolant |
| Chip Conveyor |
| Thermal control via ORC structure |
| DMG MORI NT 4250 DCG – CONTROL SYSTEM |
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| Control System: MAPPS / FANUC |
| CELOS Interface (optional) |
| Advanced Turn-Mill Programming |
| 5-Axis Simultaneous Capability |
| DMG MORI NT 4250 DCG – POWER & AIR REQUIREMENTS |
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| Power Requirement: approx. 60–80 kVA |
| Air Supply: approx. 6 bar |
| Industrial-grade electrical setup |
| DMG MORI NT 4250 DCG – DIMENSIONS |
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| Machine Length: approx. 6,000–7,000 mm |
| Machine Width: approx. 3,000–3,500 mm |
| Machine Height: approx. 3,000 mm |
| Machine Weight: approx. 12,000–16,000 kg |
| DMG MORI NT 4250 DCG – GENERAL INFORMATION |
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| Machine Type: Turn-Mill Center |
| Full 5-Axis Machining Capability |
| DCG (Driven at Center of Gravity) technology |
| High precision and thermal stability |
| Designed for complex part machining |
| INDUSTRIES THAT USE DMG MORI NT 4250 DCG |
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| Aerospace |
| Automotive |
| Medical Equipment |
| Precision Engineering |
| Die & Mold |
| TYPICAL PARTS DMG MORI NT 4250 DCG CAN PRODUCE |
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| Complex Turn-Mill Components |
| Aerospace Parts |
| Medical Implants |
| Precision Shafts |
| Multi-sided Components |
| WHY CHOOSE DMG MORI NT 4250 DCG |
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| True Turn-Mill Integration |
| High Accuracy with DCG Technology |
| Efficient 5-Axis Machining |
| Reduced Setup Time |
| Ideal for Medium Complex Parts |
WHY BUY USED DMG MORI NT 4250 DCG
Buying a used NT 4250 DCG is a strong strategic choice for manufacturers looking to access high-end multi-tasking machining capabilities at a reduced investment. As part of DMG MORI’s premium NT series, this machine is engineered for durability, precision, and long operational life, making it well-suited for the used machinery market.
One of the main advantages is the cost-to-performance ratio. The NT 4250 DCG allows complete machining—turning, milling, drilling, and finishing—in a single setup. This reduces handling time, improves accuracy, and increases throughput. Even in pre-owned condition, the machine can replace multiple conventional machines, leading to significant productivity gains.
Cutting time is one of the most critical factors when evaluating a used machine. Due to its high rigidity and powerful spindle, the NT 4250 DCG is often used for heavy-duty applications, which can accelerate wear on components such as the spindle, B-axis, and guideways. Machines with lower accumulated cutting hours—ideally under 15,000–20,000 hours—offer better value, while those under 10,000 hours command premium pricing due to minimal wear and higher retained accuracy.
Another key benefit is access to advanced technologies such as DCG construction, simultaneous 5-axis machining, and dual spindle configurations at a fraction of the cost of a new machine. These features allow manufacturers to expand into more complex and high-value production work without significant capital expenditure.
Additionally, DMG MORI machines benefit from strong global support, including spare parts availability and service networks. Many used units can also be upgraded with newer control systems or software, extending their usable life.
In summary, a used NT 4250 DCG provides a compelling combination of power, precision, and cost efficiency, making it an excellent investment for manufacturers looking to enhance productivity while managing capital costs.
HOW MUCH DOES A USED DMG MORI NT 4250 DCG COST?
The cost of a used NT 4250 DCG varies depending on factors such as manufacturing year, machine configuration, condition, and most importantly, total cutting time. As a heavy-duty turn-mill center with advanced technologies, its value is strongly influenced by wear on critical components like the spindle, B-axis, and drive systems.
For machines manufactured before 2000, there are no direct NT 4250 DCG models, but comparable early turn-mill machines typically range from $120,000 to $220,000. These machines lack modern control systems and advanced technologies such as DCG and DDM, and they often have higher cutting hours.
Machines produced between 2000 and 2010 (early NT-series or similar machines) generally fall within the $250,000 to $450,000 range. These models offer improved CNC controls, better spindle performance, and enhanced reliability. Units with lower cutting time—typically under 20,000–25,000 hours—are priced toward the higher end due to better condition and longer service life.
For actual NT 4250 DCG machines manufactured between 2010 and 2025, used prices typically range from $450,000 to $700,000 depending on configuration, tooling capacity, and automation features. Machines with low cutting time (under 10,000–15,000 hours) command premium pricing because they retain higher precision and have longer remaining service life.
Cutting time plays a decisive role in valuation. A newer machine with heavy usage may be priced similarly to an older machine with significantly lower hours. Buyers should carefully evaluate maintenance records, spindle condition, and any component replacements before making a purchase decision.
Overall, the cost of a used NT 4250 DCG is determined by a combination of age, usage, and technological features, with cutting time being one of the most important indicators of true machine value and long-term performance.
