USED DOOSAN DNM4000 – 2021

The Doosan DNM4000 is a compact, high-performance vertical machining center designed to deliver exceptional productivity, accuracy, and reliability in space-conscious manufacturing environments. Developed by Doosan Machine Tools, now operating as DN Solutions, the DNM4000 was engineered to provide the performance of a full-sized machining center while occupying a significantly smaller footprint. This combination of compact design and robust machining capability has made the DNM4000 a popular choice among machine shops, medical manufacturers, aerospace suppliers, electronics manufacturers, and precision engineering companies. The DNM4000 features a rigid Meehanite cast iron structure, high-speed spindle technology, roller linear guideways, and a proven Fanuc control platform, creating an ideal solution for manufacturers seeking maximum output from limited floor space.

The machine is capable of performing a wide variety of machining operations including milling, drilling, tapping, boring, contouring, and finishing. Despite its compact size, the DNM4000 delivers excellent cutting performance across aluminum, steel, stainless steel, titanium, cast iron, and engineering plastics. The machine utilizes a direct-coupled spindle design that minimizes vibration while improving surface finish quality and machining accuracy. Thermal compensation systems and spindle cooling technology help maintain dimensional consistency during extended production runs.

The 2021 Doosan DNM4000 typically features a 12,000 RPM CAT 40 spindle, a 20-tool automatic tool changer, rapid traverse rates approaching 1,900 IPM, and Fanuc Oi-Plus CNC controls. These features allow manufacturers to reduce cycle times while maintaining high levels of precision and repeatability. The machine’s compact dimensions make it particularly attractive for cellular manufacturing environments and shops seeking to maximize machine density.

Industries such as aerospace, medical device manufacturing, automotive, electronics, defense, mold making, and precision contract machining frequently rely on the DNM4000 due to its versatility and dependable performance. Its ability to efficiently machine complex parts while occupying minimal floor space has helped establish the DNM4000 as one of the most desirable compact machining centers available on the used CNC market.

One of the primary reasons the 2021 Doosan DNM4000 remains highly sought after is its combination of modern technology, excellent reliability, and strong value retention. Buyers can obtain a relatively new machining center with advanced features and proven performance while achieving significant savings compared to purchasing a new machine.

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DOOSAN DNM4000 – AXIS

Specification	Value
Number of Axes	3 Axis
Simultaneous Axis Control	3 Axis
Positioning Type	CNC Controlled

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DOOSAN DNM4000 – AXIS TRAVELS / WORK ENVELOPE

Specification	Value
X-Axis Travel	20.5″
Y-Axis Travel	15.7″
Z-Axis Travel	18.9″
Maximum Work Envelope	20.5″ x 15.7″ x 18.9″

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DOOSAN DNM4000 – CAPACITY / TABLE

Specification	Value
Table Length	25.6″
Table Width	15.7″
Maximum Table Load	882 lbs
T-Slots	3

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DOOSAN DNM4000 – SPINDLE

Specification	Value
Spindle Speed	12,000 RPM
Spindle Taper	BIG PLUS CAT 40
Spindle Motor	25 HP
Drive Type	Direct Drive
Maximum Torque	87 ft-lbs

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DOOSAN DNM4000 – TOOL CHANGER

Specification	Value
Tool Capacity	20 Tools
Tool Changer Type	Double Arm Automatic Tool Changer
Tool-to-Tool Time	Approx. 1.3 Seconds
Chip-to-Chip Time	Approx. 2.6 Seconds
Maximum Tool Weight	11 lbs

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DOOSAN DNM4000 – CONTROL SYSTEM

Specification	Value
CNC Control	Fanuc Oi-Plus
Programming Capability	Conversational and G-Code
Connectivity	Ethernet and USB
Look Ahead Function	AICC II
Display	High Resolution LCD

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DOOSAN DNM4000 – COOLANT / DUST / WATER MANAGEMENT

Specification	Value
Coolant System	Flood Coolant
Through Spindle Coolant	Standard
Coolant Pressure	20 Bar
Chip Removal	Dual Chip Augers
Enclosure	Fully Enclosed

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DOOSAN DNM4000 – POWER REQUIREMENTS

Specification	Value
Voltage	220V / 240V
Phase	3 Phase
Power Requirement	Approx. 30 kVA
Air Requirement	Shop Air Required

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DOOSAN DNM4000 – DIMENSIONS

Specification	Value
Length	112.5″
Width	65″
Height	108.4″
Weight	7,275 lbs

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DOOSAN DNM4000 – GENERAL INFORMATION

Specification	Value
Manufacturer	Doosan Machine Tools
Machine Type	Vertical Machining Center
Year	2021
Construction	Meehanite Cast Iron
Country of Origin	South Korea

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INDUSTRIES THAT USE DOOSAN DNM4000

The Doosan DNM4000 is widely used in manufacturing sectors that require compact machine footprints without sacrificing machining performance. Its combination of speed, accuracy, and reliability makes it suitable for a broad range of precision manufacturing applications.

Industries commonly utilizing the Doosan DNM4000 include:

• Aerospace Manufacturing
• Medical Device Manufacturing
• Automotive Manufacturing
• Defense Manufacturing
• Electronics Manufacturing
• Robotics Manufacturing
• Mold and Die Manufacturing
• Tool and Fixture Manufacturing
• Contract Machining
• Precision Engineering Companies
• Energy Industry Suppliers
• Research and Development Facilities
• Consumer Product Manufacturing
• Industrial Equipment Manufacturing
• General Machine Shops

The machine’s compact design makes it especially attractive for high-density production environments and cellular manufacturing operations.

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TYPICAL PARTS DOOSAN DNM4000 CAN PRODUCE

The Doosan DNM4000 is capable of producing a wide range of precision-machined components that require tight tolerances and excellent surface finishes.

Typical parts include:

• Aerospace Brackets
• Medical Device Components
• Surgical Instrument Parts
• Mold Inserts
• Mold Components
• Production Fixtures
• Custom Jigs
• Robotics Components
• Electronic Enclosures
• Heat Sinks
• Hydraulic Manifolds
• Pneumatic Components
• Precision Aluminum Components
• Stainless Steel Components
• Titanium Components
• Automotive Parts
• Tooling Components
• Prototype Components
• OEM Production Parts
• Industrial Machinery Components

Its high-speed spindle and precision motion systems make it particularly effective for complex precision components.

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WHY CHOOSE DOOSAN DNM4000

The Doosan DNM4000 has become one of the most popular compact machining centers because it combines full-scale machining performance with a remarkably efficient footprint. Many manufacturers struggle to balance production requirements with available floor space, and the DNM4000 provides an ideal solution.

One of the machine’s biggest strengths is its direct-drive spindle design. Unlike belt-driven systems, the direct-coupled spindle reduces vibration and power loss while improving surface finish quality and machining efficiency. Combined with a 12,000 RPM spindle and rapid traverse rates, the machine delivers excellent productivity across a wide range of applications.

Another major advantage is machine rigidity. The Meehanite cast iron construction provides excellent vibration damping and thermal stability, helping maintain accuracy during long machining cycles. The use of roller linear guideways further enhances motion performance and positioning accuracy.

The Fanuc control platform also contributes significantly to the machine’s popularity. Fanuc controls are widely supported, familiar to operators, and highly reliable. This simplifies programming, training, and maintenance while helping maximize machine uptime.

For manufacturers seeking a compact, modern machining center that delivers premium productivity and dependable performance, the Doosan DNM4000 remains an outstanding choice.

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WHY BUY USED DOOSAN DNM4000

Purchasing a used 2021 Doosan DNM4000 allows manufacturers to acquire a relatively modern machining center while significantly reducing capital expenditures. For many machine shops, purchasing late-model used equipment is one of the most efficient ways to increase production capacity while preserving financial flexibility.

One of the biggest advantages of buying used is cost savings. A used DNM4000 can often be acquired for substantially less than a comparable new machine while still offering nearly identical machining capabilities. These savings can be invested in tooling, automation systems, inspection equipment, rotary tables, or additional production machinery.

The DNM4000’s modern design further enhances its value proposition. Buyers gain access to advanced features such as through-spindle coolant, thermal compensation systems, high-speed spindle technology, and Fanuc controls without paying full replacement cost. This allows manufacturers to remain competitive while managing equipment budgets more effectively.

Another major benefit is machine reliability. Doosan machining centers have earned a strong reputation for durability and long service life. Properly maintained machines continue delivering dependable performance for many years, helping reduce downtime and maintenance expenses.

Immediate availability is another advantage. New machine purchases frequently involve production schedules and delivery lead times, whereas used machines are often available for immediate inspection and installation. This allows manufacturers to respond quickly to customer demand and production growth opportunities.

For companies seeking modern machining capabilities, compact footprint efficiency, and strong return on investment, the used 2021 Doosan DNM4000 remains one of the best values available in today’s used CNC market.

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HOW MUCH DOES A USED DOOSAN DNM4000 COST?

A used 2021 Doosan DNM4000 typically sells for between $45,000 and $85,000, depending on machine condition, spindle hours, installed options, tooling packages, maintenance history, and market demand.

Machines near the lower end of the range generally have higher production hours or fewer optional features. Machines near the upper end often include valuable options such as 4th-axis rotary tables, probing systems, tool setters, mist collectors, upgraded coolant systems, and extensive tooling packages. Many 2021 machines currently appearing in the marketplace include rotary tables and Renishaw probing systems that can significantly increase package value.

Machine condition remains one of the most important factors affecting value. Buyers typically evaluate spindle condition, axis accuracy, machine geometry, lubrication systems, maintenance records, and overall machine appearance before determining a fair market price. Machines with documented service histories and lower spindle hours generally command premium pricing because they present lower ownership risk.

Tooling and accessories can also substantially impact value. CAT 40 tooling, workholding systems, rotary tables, probes, tool setters, and inspection equipment can add thousands of dollars to a machine package while reducing startup costs for the buyer.

Regional manufacturing demand further influences pricing. Areas with strong aerospace, medical, automotive, and precision machining industries often support higher resale values for compact, high-performance machining centers such as the DNM4000.

Compared to purchasing a new vertical machining center with similar capabilities, a used 2021 Doosan DNM4000 offers substantial savings while still providing modern CNC technology, exceptional productivity, and proven reliability. For manufacturers looking to maximize machining capability while controlling capital costs, the DNM4000 remains one of the most attractive investments available in the used CNC equipment market.