USED DMG MORI KBT 11EZ

The DMG MORI KBT 11EZ is a heavy-duty horizontal boring and milling machine designed for maximum rigidity, high torque output, and large-scale machining applications. It is one of the most advanced variants in the KBT 11 series, engineered specifically for machining oversized and heavy workpieces used in industries such as power generation, shipbuilding, construction equipment, and large structural fabrication.

The machine offers an extremely large working envelope with axis travels of approximately 2,500 mm in X, 1,800 mm in Y, and 1,200 mm in Z. It is equipped with a 110 mm diameter boring spindle and supports heavy workpieces up to 10,000 kg, making it suitable for massive castings and steel structures. The table size of around 1,400 × 1,750 mm provides a stable platform for large components requiring precise machining.

A key feature of the KBT 11EZ is its high-torque 3-step geared spindle system, which delivers exceptional cutting force for deep boring, heavy milling, and large-scale material removal. The spindle is supported by large-diameter bearings and a rigid structural frame, ensuring stability even under extreme load conditions. This makes it highly effective for continuous rough machining of large industrial components.

In terms of cutting time, the KBT 11EZ is optimized for heavy-duty material removal rather than high-speed finishing. Its W-axis machining capability reduces moving mass, which lowers energy consumption and improves efficiency during drilling and tapping operations. Compared to conventional Z-axis systems, this results in more stable and efficient long-cycle machining, especially for deep-hole drilling and large boring tasks.

Machines in this category typically use robust CNC systems such as FANUC or CELOS, focusing on stability, torque performance, and long-term durability. Overall, the KBT 11EZ is designed for maximum rigidity, extreme load handling, and sustained heavy machining performance in industrial environments.

DMG MORI KBT 11EZ SPECIFICATIONS

WHY BUY USED DMG MORI KBT 11EZ

Buying a used DMG MORI KBT 11EZ is a strong investment choice for industries involved in heavy engineering and large-part manufacturing. The primary advantage is its extremely rigid structure, which ensures long-term stability even under continuous high-load machining. This makes it highly reliable for applications where deep boring, heavy milling, and structural machining are required.

Cost savings are significant. New machines in this category require very high capital investment due to their size, torque capability, and heavy-duty construction. A used KBT 11EZ allows manufacturers to access the same industrial-grade machining capacity at a much lower upfront cost, improving return on investment while maintaining production capability.

Older boring machines (pre-2000) typically suffer from lower rigidity, reduced torque output, and longer cutting times due to outdated control systems. Machines from 2000 to 2010 improved spindle performance and structural stability but still cannot match the efficiency and W-axis optimization of the KBT 11EZ.

Used machines from 2010 onward retain strong structural integrity while benefiting from improved CNC controls, better thermal stability, and more efficient machining cycles. The W-axis design also reduces moving mass, improving energy efficiency and enhancing stability during long drilling and boring operations.

From a cutting-time perspective, the KBT 11EZ is designed for sustained heavy cutting rather than rapid cycle reduction. A well-maintained used machine can still deliver high productivity in large-part machining due to its ability to remove large volumes of material continuously and reliably. Combined with DMG MORI’s global service support, it remains a long-term industrial asset for heavy-duty manufacturing.

HOW MUCH DOES A USED DMG MORI KBT 11EZ COST?

The cost of a used DMG MORI KBT 11EZ depends on factors such as machine condition, year of manufacture, spindle hours, tooling configuration, and maintenance history. As a high-capacity heavy-duty boring mill, it sits in a specialized industrial pricing category.

Older machines comparable to pre-2000 horizontal boring mills typically range from $60,000 to $160,000. These machines generally have lower torque capacity, less rigid structures, and longer cutting times, making them suitable only for basic heavy machining tasks.

Machines manufactured between 2000 and 2010 typically range from $160,000 to $320,000. These models offer improved spindle torque, better CNC control systems, and enhanced structural stability, resulting in more consistent machining performance and reduced downtime.

For KBT 11EZ machines produced between 2010 and 2025, prices generally range from $320,000 to $700,000 or more depending on configuration and condition. These newer machines benefit from improved rigidity, W-axis efficiency, advanced monitoring systems, and better overall operational reliability, making them highly desirable for large-scale production environments.

Cutting time is not the main pricing driver. Instead, value is determined by torque capacity, structural integrity, and ability to sustain continuous heavy-duty machining. Machines with low spindle wear, stable alignment, and well-maintained gear systems command higher resale value due to their reliability in long-cycle operations.

Ultimately, the KBT 11EZ is a premium heavy machining investment where durability, load capacity, and stability matter far more than high-speed cycle performance.