
Sell your Mazak SEIKI NT-6600 today.
MTE does not act as a broker, nor do we buy on consignment. We buy machinery and assets outright and arrange the pickup.
- Make
- Mazak
- Model
- SEIKI NT-6600
- CNC Control
- MAZATROL SmoothX
- Category
- CNC Multi-Tasking Machines (Mill-Turn / Turn-Mill)
- Condition
- Used / Surplus

Jason sets final pricing on the machines MTE buys.
Mazak SEIKI NT-6600 Specifications
- Spindle Speed
- 4,000 RPM
- Maximum Turning Diameter
- 920 mm
- Maximum Turning Length
- 6,623 mm
- Spindle Motor Output
- 45 kW
- Tool Storage Capacity
- 80 tools
- X-Axis Travel
- 660 mm
- Y-Axis Travel
- ±210 mm
- Z-Axis Travel
- 6,623 mm
- B-Axis Travel
- 240°
- Machine Weight
- 28,000 kg
- Control Type
- MAZATROL SmoothX
Do you have a Mazak SEIKI NT-6600 to sell?
We are actively seeking a Mazak SEIKI NT-6600 CNC Multi-Tasking Machine. This model is renowned for its exceptional capabilities in both turning and milling operations, making it a valuable asset for any manufacturing facility. With its robust design and advanced technology, the SEIKI NT-6600 is engineered to handle large and complex workpieces with remarkable efficiency and precision. Many operators appreciate its ability to reduce setup times, which ultimately enhances productivity on the shop floor. The NT-6600 features a dual-spindle configuration, allowing for multitasking operations that require high torque and precision. This setup not only streamlines the machining process but also opens the door to advanced 5-axis machining with its B-axis tool spindle, which offers ±120° rotation.
Such versatility is crucial for industries that demand intricate and detailed work, making this machine highly sought after in sectors like aerospace and heavy equipment manufacturing. Additionally, the SEIKI NT-6600 boasts a large work envelope that can accommodate parts up to 1,070 mm (42.1 inches) in diameter and 6,076 mm (239.2 inches) in length. This expansive capacity makes it ideal for tackling various machining tasks without the need for constant reconfiguration. Moreover, its high-precision motion control ensures minimal indexing increments, which translates into superior accuracy and quality in finished products. Sellers often decide to part with their Mazak SEIKI NT-6600 machines for several reasons. Upgrading to newer technology, downsizing operations, or even plant closures can all motivate machine owners to sell.
Regardless of the reason, we understand that each situation is unique and requires a respectful approach. At Superior Machine Tools, we buy used CNC machines nationwide, ensuring a smooth transaction process. If you have a Mazak SEIKI NT-6600 or similar equipment you're ready to sell, we invite you to reach out to us today. Our team is here to provide you with a fair offer and assist you every step of the way.

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