USED DOOSAN DHP 4000 – 2006

The DOOSAN DHP 4000 – 2006 is a highly productive horizontal machining center designed for manufacturers seeking efficient multi-face machining, reduced setup times, and reliable high-volume production. Built during a period when Doosan was rapidly establishing itself as a major global machine tool manufacturer, the DHP 4000 became a popular choice among automotive suppliers, aerospace subcontractors, industrial equipment manufacturers, and precision machining companies due to its combination of performance, durability, and affordability.

The DHP 4000 utilizes a horizontal spindle design that offers significant advantages over traditional vertical machining centers when machining complex components. The horizontal configuration allows chips to naturally fall away from the cutting area, reducing chip recutting, improving tool life, and maintaining better surface finishes during extended production runs. This design is particularly beneficial when machining cast iron, steel, stainless steel, and other materials that generate substantial chip volumes. The machine features approximately 23.6 inches of X-axis travel, 22 inches of Y-axis travel, 23.6 inches of Z-axis travel, a dual-pallet system, and a 14,000 RPM spindle, making it well suited for demanding production environments.

One of the most important productivity features of the DHP 4000 is its automatic pallet changer. While one pallet is being machined, operators can load and unload parts on the second pallet, dramatically reducing downtime and maximizing spindle utilization. This capability allows manufacturers to increase throughput without significantly increasing labor requirements.

The machine is typically equipped with a CAT 40 spindle, a 60-tool automatic tool changer, and a Fanuc-based control system known for reliability and ease of operation. These features provide excellent flexibility for machining a wide range of parts and materials while maintaining tight tolerances and repeatability.

Industries commonly using the DHP 4000 include aerospace manufacturing, automotive production, defense manufacturing, agricultural equipment manufacturing, hydraulic component production, energy sector manufacturing, and general precision machining. Typical applications include gearbox housings, valve bodies, hydraulic manifolds, transmission components, pump housings, engine parts, and complex multi-sided machined components.

The 2006 DOOSAN DHP 4000 continues to be a highly respected machine in the used CNC marketplace because it delivers strong production capability, proven reliability, and excellent long-term value for manufacturers seeking an affordable horizontal machining center.

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DOOSAN DHP 4000 – AXIS

Specification	Value
Number of Axes	4 Axis
Axis Configuration	X, Y, Z, B
Machine Type	Horizontal Machining Center
B-Axis Indexing	1° Increment
Simultaneous Machining	3+1 Axis
Guideway Type	Linear Guideways

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DOOSAN DHP 4000 – AXIS TRAVELS / WORK ENVELOPE

Specification	Value
X-Axis Travel	23.6 in
Y-Axis Travel	22.0 in
Z-Axis Travel	23.6 in
B-Axis Rotation	360°
Rapid Traverse Rate	2,362 IPM
Positioning Accuracy	±0.0002 in

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DOOSAN DHP 4000 – CAPACITY / TABLE

Specification	Value
Pallet Size	15.75 in x 15.75 in
Number of Pallets	2
Maximum Workpiece Weight	1,100 lbs
Maximum Workpiece Diameter	Approx. 24 in
Maximum Workpiece Height	Approx. 30 in
Pallet Change System	Automatic

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DOOSAN DHP 4000 – SPINDLE

Specification	Value
Maximum Spindle Speed	14,000 RPM
Spindle Power	30 HP
Spindle Taper	CAT 40
Spindle Type	Direct Drive
Through-Spindle Coolant	Available
Spindle Cooling	Integrated

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DOOSAN DHP 4000 – TOOL CHANGER

Specification	Value
Tool Capacity	60 Tools
Tool Change Type	Automatic
Tool Selection	Random Access
Maximum Tool Length	11.8 in
Maximum Tool Weight	22 lbs
Tool Magazine Style	Chain Type

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DOOSAN DHP 4000 – CONTROL SYSTEM

Specification	Value
CNC Control	Fanuc 18i-MB
Program Storage	Expanded Memory
Ethernet Capability	Optional
USB Connectivity	Available
Network Integration	Supported
Conversational Features	Limited

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DOOSAN DHP 4000 – COOLANT / DUST / WATER MANAGEMENT

Specification	Value
Flood Coolant System	Standard
Through-Spindle Coolant	Available
Coolant Pressure	Up to 284 PSI
Chip Conveyor	Standard
Coolant Filtration	Integrated
Chiller Unit	Available

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DOOSAN DHP 4000 – POWER REQUIREMENTS

Specification	Value
Electrical Supply	220V – 480V
Phase	3 Phase
Frequency	50/60 Hz
Connected Load	Approx. 68 kVA

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DOOSAN DHP 4000 – DIMENSIONS

Specification	Value
Machine Length	Approx. 224 in
Machine Width	Approx. 104 in
Machine Height	Approx. 113 in
Machine Weight	Approx. 30,000 lbs

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DOOSAN DHP 4000 – GENERAL INFORMATION

Specification	Value
Manufacturer	Doosan
Model	DHP 4000
Year	2006
Machine Category	Horizontal Machining Center
Control System	Fanuc 18i-MB
Construction	Heavy-Duty Cast Iron
Typical Materials	Steel, Aluminum, Stainless Steel, Cast Iron
Production Type	High-Volume Manufacturing

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INDUSTRIES THAT USE DOOSAN DHP 4000

• Aerospace Manufacturing
• Automotive Manufacturing
• Defense Manufacturing
• Industrial Machinery Manufacturing
• Agricultural Equipment Manufacturing
• Hydraulic Equipment Manufacturing
• Energy Industry
• Oil & Gas Equipment Production
• Medical Equipment Manufacturing
• Contract Machining

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TYPICAL PARTS DOOSAN DHP 4000 CAN PRODUCE

• Transmission Housings
• Gearbox Components
• Hydraulic Manifolds
• Pump Housings
• Valve Bodies
• Engine Components
• Industrial Equipment Parts
• Aerospace Structural Components
• Defense Components
• Precision Castings
• Agricultural Equipment Parts
• Multi-Sided Machined Components

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WHY CHOOSE DOOSAN DHP 4000

The DOOSAN DHP 4000 remains a popular horizontal machining center because it offers a strong combination of productivity, reliability, and affordability. Unlike many vertical machining centers that require multiple setups to machine several sides of a part, the DHP 4000 is designed to perform multi-face machining in a single setup. This reduces setup time, improves accuracy between features, and significantly increases overall production efficiency.

One of the machine’s most valuable features is its dual-pallet automatic pallet changer. This system allows operators to load and unload parts while machining continues on the second pallet. The result is higher spindle utilization and improved overall equipment effectiveness. For manufacturers running production jobs, the productivity gains from pallet-changing technology can have a significant impact on profitability.

The 14,000 RPM spindle provides excellent flexibility for both roughing and finishing operations. Whether machining aluminum components at high speeds or performing heavy cuts in steel and cast iron, the DHP 4000 offers the rigidity and stability required for demanding applications. The machine’s cast iron construction minimizes vibration and helps maintain tight tolerances during long production runs.

The Fanuc control system is another major advantage. Known worldwide for reliability and ease of maintenance, Fanuc controls simplify programming, troubleshooting, and operator training. Replacement parts and technical support remain widely available, which is especially important when purchasing older CNC equipment.

The DHP 4000 also supports a wide range of automation solutions. Many machines have been integrated with pallet systems, robotic loading equipment, and automated manufacturing cells. This flexibility allows manufacturers to continue improving productivity as business requirements evolve.

For manufacturers seeking a dependable horizontal machining center capable of supporting high-volume production, the DOOSAN DHP 4000 remains an excellent choice.

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WHY BUY USED DOOSAN DHP 4000

Purchasing a used DOOSAN DHP 4000 allows manufacturers to obtain the benefits of a horizontal machining center at a fraction of the cost of purchasing a new machine. Horizontal machining centers traditionally require larger capital investments than vertical machining centers, making the used equipment market particularly attractive for companies seeking to increase production capacity while controlling costs.

The most significant advantage is value. A properly maintained DHP 4000 can continue delivering reliable performance for many years while costing substantially less than a comparable new machine. The savings achieved through purchasing used equipment can be allocated toward tooling, fixturing, automation upgrades, inspection equipment, or additional production resources.

Another important benefit is machine durability. The DHP 4000 was designed for industrial production environments and built with heavy-duty cast iron construction. Many machines from this era remain in productive service today due to their robust design and proven reliability. This durability has helped establish the DHP 4000 as a respected machine within the used CNC marketplace.

Availability is another key advantage. New horizontal machining centers often involve lengthy lead times, particularly when customization or automation options are required. Used machines are frequently available for immediate purchase and installation, allowing manufacturers to respond quickly to increased customer demand or new business opportunities.

Many used DHP 4000 machines are equipped with valuable factory options such as through-spindle coolant systems, larger tool magazines, chip conveyors, probing systems, and pallet automation features. Purchasing a machine that already includes these options can significantly reduce future upgrade costs.

The machine’s versatility further enhances its value. It is capable of efficiently machining a wide range of materials and component geometries, allowing manufacturers to serve multiple industries using a single machine platform.

For companies seeking reliable production capability, reduced acquisition costs, and proven performance, a used DOOSAN DHP 4000 remains an outstanding investment.

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HOW MUCH DOES A USED DOOSAN DHP 4000 COST?

The value of a used DOOSAN DHP 4000 depends on several factors including machine condition, spindle hours, maintenance history, installed options, tooling packages, automation equipment, and current market demand. Because horizontal machining centers remain highly desirable for production machining, well-maintained machines typically retain strong value.

Machine condition is usually the most important pricing factor. Units with documented maintenance records, lower operating hours, and strong mechanical condition generally command higher prices. Buyers frequently place significant value on machines that have been properly maintained because they offer reduced risk and lower future repair costs.

Installed options can substantially impact resale value. Features such as through-spindle coolant systems, expanded tooling capacity, pallet automation systems, chip management upgrades, probing packages, and high-pressure coolant systems often increase market pricing. These enhancements improve productivity and can eliminate the need for future investments.

Market demand also plays a significant role. Industries such as aerospace, automotive, energy, defense, and industrial equipment manufacturing continue to seek productive horizontal machining centers capable of supporting high-volume production. Machines with automatic pallet changers typically maintain stronger values because they offer measurable productivity improvements.

Buyers should also consider ownership costs beyond the machine purchase price. Transportation, rigging, installation, electrical work, tooling, and operator training can contribute significantly to the total investment required to place the machine into production.

In today’s used CNC machinery market, a 2006 DOOSAN DHP 4000 typically sells within a range of approximately $35,000 to $95,000, depending on machine condition, spindle hours, tooling inventory, installed options, and overall configuration. Machines equipped with through-spindle coolant, expanded tooling packages, probing systems, and documented maintenance records generally command values toward the upper end of the range.

When evaluating a used DHP 4000, manufacturers should focus not only on purchase price but also on long-term productivity, spindle utilization, maintenance history, and overall return on investment. These factors continue to make the DOOSAN DHP 4000 one of the most attractive entry points into horizontal machining technology for many manufacturers.