USED DOOSAN DNM4500S – 2021

The Doosan DNM4500S is a high-speed vertical machining center designed to provide exceptional productivity, precision, and reliability for modern manufacturing operations. As part of Doosan’s highly successful DNM Series, the DNM4500S was engineered to meet the growing demand for faster cycle times, improved surface finishes, and greater machining efficiency while maintaining the durability and rigidity that Doosan machining centers are known for worldwide. The machine combines a rigid Meehanite cast iron structure, high-speed spindle technology, roller linear guideways, and advanced CNC controls to create a machining platform capable of supporting both high-mix job shop environments and demanding production applications.

The DNM4500S is designed to perform a wide range of machining operations including milling, drilling, tapping, boring, contouring, pocketing, and finishing. The machine is capable of processing aluminum, steel, stainless steel, titanium, cast iron, brass, copper, and engineering plastics while maintaining excellent dimensional accuracy and repeatability. Its rigid construction minimizes vibration during machining operations, helping improve tool life, surface finish quality, and overall machining stability.

A typical 2021 Doosan DNM4500S is equipped with a 12,000 RPM BIG PLUS CAT 40 spindle, 30-position side-mount automatic tool changer, Fanuc CNC control, high-speed rapid traverse rates, and advanced thermal stability features. The machine offers a generous work envelope while maintaining a relatively compact footprint, making it suitable for a wide range of manufacturing environments. Its combination of speed and rigidity allows operators to maximize productivity while maintaining consistent part quality throughout long production runs.

Industries such as aerospace, automotive, medical device manufacturing, electronics, defense, robotics, mold making, and contract machining frequently utilize the DNM4500S because of its versatility and dependable performance. The machine can efficiently support everything from prototype development to high-volume production machining.

One of the primary reasons the 2021 Doosan DNM4500S remains highly sought after in the used CNC market is its combination of modern machining technology, strong reliability, and excellent value retention. Buyers can acquire a relatively recent machine with advanced capabilities while achieving significant savings compared to purchasing new equipment.

---

DOOSAN DNM4500S – AXIS

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

---

DOOSAN DNM4500S – AXIS TRAVELS / WORK ENVELOPE

Specification	Value
X-Axis Travel	31.5″
Y-Axis Travel	17.7″
Z-Axis Travel	20.1″
Maximum Work Envelope	31.5″ x 17.7″ x 20.1″

---

DOOSAN DNM4500S – CAPACITY / TABLE

Specification	Value
Table Length	39.4″
Table Width	17.7″
Maximum Table Load	1,100 lbs
T-Slots	3

---

DOOSAN DNM4500S – SPINDLE

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

---

DOOSAN DNM4500S – TOOL CHANGER

Specification	Value
Tool Capacity	30 Tools
Tool Changer Type	Side Mount Automatic Tool Changer
Tool-to-Tool Time	Approx. 1.2 Seconds
Chip-to-Chip Time	Approx. 2.6 Seconds
Maximum Tool Weight	17.6 lbs

---

DOOSAN DNM4500S – CONTROL SYSTEM

Specification	Value
CNC Control	Fanuc Oi-Plus
Programming Capability	G-Code Programming
Connectivity	Ethernet and USB
Display	High Resolution LCD
Look Ahead Function	Advanced High-Speed Processing

---

DOOSAN DNM4500S – COOLANT / DUST / WATER MANAGEMENT

Specification	Value
Coolant System	Flood Coolant
Through Spindle Coolant	Common Option
Coolant Pressure	Up to 20 Bar
Chip Removal	Chip Conveyor Optional
Enclosure	Fully Enclosed

---

DOOSAN DNM4500S – POWER REQUIREMENTS

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

---

DOOSAN DNM4500S – DIMENSIONS

Specification	Value
Length	Approx. 118″
Width	Approx. 92″
Height	Approx. 108″
Weight	Approx. 8,700 lbs

---

DOOSAN DNM4500S – GENERAL INFORMATION

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

---

INDUSTRIES THAT USE DOOSAN DNM4500S

The Doosan DNM4500S is widely utilized by manufacturers requiring high-speed machining performance combined with excellent accuracy and reliability.

Industries commonly utilizing the Doosan DNM4500S include:

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

Its combination of speed, rigidity, and flexibility makes it suitable for a broad range of manufacturing applications.

---

TYPICAL PARTS DOOSAN DNM4500S CAN PRODUCE

The Doosan DNM4500S is capable of producing a wide variety of precision-machined components requiring excellent surface finishes and tight tolerances.

Typical parts include:

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

The machine’s high-speed spindle and advanced motion control systems make it ideal for precision machining applications.

---

WHY CHOOSE DOOSAN DNM4500S

The Doosan DNM4500S is an excellent choice for manufacturers seeking a high-speed machining center that delivers productivity, reliability, and long-term value. The machine combines modern spindle technology, rigid machine construction, and advanced CNC controls to support demanding production requirements.

One of the machine’s greatest advantages is its direct-drive spindle design. The spindle delivers smooth high-speed operation with reduced vibration and improved power transfer, allowing manufacturers to achieve superior surface finishes and shorter cycle times. Combined with rapid traverse rates and a fast side-mount tool changer, the machine minimizes non-cutting time and maximizes spindle utilization.

The DNM4500S also benefits from a rigid Meehanite cast iron structure that provides excellent vibration damping and thermal stability. This rigidity helps maintain machining accuracy during demanding operations while improving tool life and reducing machine wear.

Another significant advantage is the Fanuc control platform. Fanuc controls are widely recognized throughout the manufacturing industry for reliability, ease of use, and extensive support availability. Shops can quickly integrate the machine into existing production environments while minimizing operator training requirements.

For manufacturers seeking a modern vertical machining center capable of delivering high productivity and consistent quality, the Doosan DNM4500S remains an outstanding choice.

---

WHY BUY USED DOOSAN DNM4500S

Purchasing a used 2021 Doosan DNM4500S allows manufacturers to acquire a modern machining center while significantly reducing equipment acquisition costs. Since the machine is relatively recent, many used examples remain in excellent condition and continue to offer years of productive service.

One of the biggest advantages of buying a used DNM4500S is cost savings. Compared to purchasing a new machine, buyers can often save a substantial amount of money while still obtaining nearly identical machining capabilities. These savings can be redirected toward tooling, automation equipment, workholding systems, inspection equipment, or additional machinery.

The machine’s modern technology further enhances its value proposition. Buyers gain access to high-speed spindle performance, advanced Fanuc controls, thermal compensation systems, and efficient tool-changing capability without paying full replacement cost. These features directly contribute to improved productivity and machining efficiency.

Another major benefit is immediate availability. New machine purchases often involve manufacturing and delivery lead times that can extend several months. Used machines are frequently available for immediate inspection and installation, allowing manufacturers to respond quickly to customer demand and production growth opportunities.

The DNM4500S also benefits from Doosan’s strong reputation for reliability and durability. Properly maintained machines continue operating efficiently for many years, helping reduce ownership risk and maintenance expenses.

For manufacturers seeking modern CNC technology, strong productivity, and excellent return on investment, the used 2021 Doosan DNM4500S remains one of the best values available in the used CNC market.

---

HOW MUCH DOES A USED DOOSAN DNM4500S COST?

A used 2021 Doosan DNM4500S typically sells for between $50,000 and $90,000, depending on machine condition, spindle hours, maintenance history, installed options, tooling packages, and market demand.

Machines near the lower end of the range generally have higher operating hours, fewer optional features, or limited tooling packages. Machines near the upper end often include valuable options such as through-spindle coolant, probing systems, tool setters, rotary tables, chip conveyors, mist collection systems, and extensive tooling packages.

Machine condition remains the most significant factor affecting value. Buyers commonly inspect spindle condition, axis accuracy, machine geometry, lubrication systems, maintenance records, and overall machine appearance before determining market value. Machines with documented maintenance histories and lower spindle hours generally command premium pricing because they present lower ownership risk.

Tooling and accessories can significantly impact package value. BIG PLUS CAT 40 tooling, vises, fixture systems, probes, rotary tables, and inspection equipment may add thousands of dollars to the overall machine package while reducing startup costs for the buyer.

Regional demand also influences resale values. Manufacturing regions with strong aerospace, medical, automotive, electronics, and contract machining sectors often support higher prices for modern machining centers like the DNM4500S.

Compared to purchasing a new vertical machining center with similar capabilities, a used 2021 Doosan DNM4500S offers substantial savings while still providing advanced CNC technology, excellent machining performance, and proven reliability. For manufacturers looking to expand production capacity while preserving capital, the DNM4500S remains one of the strongest investments available in the used CNC machine marketplace.