USED DMG MORI DMF 300-8 (FD, linear)

The DMG MORI DMF 300|8 (FD, linear) is one of the largest and most advanced travelling column 5-axis machining centers in the DMF series, designed for high-performance complete machining of oversized and heavy components. It combines extreme structural rigidity, high dynamics, and optional mill-turn capability, making it ideal for aerospace, energy, railway, and large industrial component manufacturing.

The machine offers an exceptionally large working envelope with axis travels of approximately 3,000 mm in X, 800 mm in Y, and 850 mm in Z. It can accommodate workpieces up to 3,300 mm in length, 1,050 mm in diameter, and weighing up to 3,000 kg, making it suitable for very large structural parts and complex geometries. The travelling column design ensures the workpiece remains fixed while the machine moves, improving stability and machining accuracy for long parts.

A key feature of the DMF 300|8 (FD, linear) is its modular architecture, allowing 4-axis machining with a B-axis and optional full 5-axis simultaneous machining using a rotary table. The FD version enables integrated turning capability, allowing milling and turning operations in a single setup for complete machining efficiency.

The machine is equipped with high-performance spindles ranging from 15,000 to 20,000 RPM with torque up to 200 Nm, making it suitable for both high-speed finishing and heavy roughing operations. Advanced linear drive technology (optional on X-axis) improves acceleration and feed rates, while direct drives on Y and Z axes ensure high precision and smooth contouring.

Thermal stability is ensured through extensive cooling systems and rigid cast-iron construction, enabling consistent micron-level accuracy even during long machining cycles. Modern CNC controls such as Siemens SINUMERIK ONE and Heidenhain TNC7, integrated with DMG MORI’s CELOS platform, provide advanced programming, simulation, and production monitoring.

Overall, the DMF 300|8 (FD, linear) is a flagship large-part machining solution built for maximum productivity, flexibility, and precision in heavy-duty industrial environments.

DMG MORI DMF 300-8 (FD, linear) SPECIFICATIONS

WHY BUY USED DMG MORI DMF 300-8 (FD, linear)

Buying a used DMG MORI DMF 300|8 (FD, linear) is a strategic decision for manufacturers that require large-scale 5-axis machining capability with mill-turn flexibility at a significantly reduced investment compared to a new machine. As one of the largest travelling column machines in the DMF series, it delivers exceptional rigidity, high chip removal capacity, and long-part machining accuracy, making it highly valuable even in the used market.

One of the biggest advantages is cost efficiency. New DMF 300|8 machines are positioned in the premium industrial segment due to their size, advanced linear or hybrid drive systems, and optional FD mill-turn capability. However, in the used market, buyers can access the same heavy-duty machining performance at a much lower capital cost, improving ROI and making large-part production economically viable for more manufacturers.

Another key benefit is immediate availability. New machines often require long lead times due to customization, transport, and installation requirements, whereas used machines are typically available for faster deployment. This allows companies to expand production capacity or replace aging equipment without extended downtime.

The DMF 300|8 (FD, linear) is built for long service life with a rigid travelling column structure, high-quality guideways, and thermally stable construction. Machines with moderate cutting hours—typically between 5,000 and 25,000 hours—can still deliver excellent performance when properly maintained. Even higher-hour machines remain functional due to robust engineering and stable structural design.

From a productivity standpoint, the machine excels in machining very large components in a single setup. This reduces repositioning errors, improves dimensional consistency, and significantly lowers cycle time. FD mill-turn capability further enhances efficiency by combining turning and milling operations in one setup.

Depreciation is also a major advantage for buyers. Large industrial CNC machines experience steep value loss in early years, meaning used buyers avoid the highest depreciation phase while still gaining access to cutting-edge machining capability. This makes the DMF 300|8 a highly cost-effective investment for heavy-duty precision manufacturing.

HOW MUCH DOES A USED DMG MORI DMF 300-8 (FD, linear) COST?

The price of a used DMG MORI DMF 300|8 (FD, linear) varies widely depending on factors such as year of manufacture, configuration (especially FD mill-turn option and linear drive system), condition, control system, and most importantly, cutting time (spindle hours). As one of the largest travelling column machining centers in its class, it sits in the upper-tier segment of the used CNC market.

For older machines (2008–2013 range), prices typically fall between $180,000 and $350,000, depending on condition and usage history. Machines with higher cutting hours (30,000–60,000+ hours) are generally on the lower end due to expected wear on spindles, linear guides, and drive systems.

For mid-generation models (2013–2020 range), pricing typically ranges from $350,000 to $600,000. These machines often include improved thermal stability, better control systems, and optional linear drive configurations. Units with lower spindle hours (under 20,000 hours) and well-maintained FD mill-turn capability tend to command higher prices.

For recent models (2020–2025 or lightly used units), prices can range from $600,000 to $900,000+, especially when equipped with full FD mill-turn functionality, linear drives, automation systems, and high-end CNC controls like Siemens SINUMERIK ONE or Heidenhain TNC7. These machines retain strong resale value due to their size, capability, and productivity advantages.

Cutting time is one of the most important pricing factors. Lower-hour machines require minimal refurbishment and maintain near-original performance, while high-hour machines may involve additional costs such as spindle replacement, axis recalibration, or cooling system servicing.

In conclusion, the DMF 300|8 (FD, linear) represents a top-tier large-part machining solution in the used CNC market. With careful evaluation of age, configuration, and cutting hours, buyers can secure a highly productive machine that delivers outstanding long-term value for heavy industrial applications.