USED DOOSAN NHP 4000 – 2022

The DOOSAN NHP 4000 – 2022 is a high-performance horizontal machining center designed to meet the productivity demands of modern manufacturing environments. Built as part of Doosan’s advanced NHP Series, the NHP 4000 combines exceptional machining speed, rigidity, automation capability, and precision into a compact yet highly capable platform. The machine is specifically engineered for manufacturers seeking to maximize spindle utilization, reduce setup times, and improve overall production efficiency.

The NHP 4000 utilizes a horizontal spindle configuration that provides significant advantages over traditional vertical machining centers. During machining operations, chips naturally fall away from the cutting zone, reducing heat buildup, improving tool life, and maintaining consistent cutting conditions. This results in better surface finishes, improved process reliability, and reduced interruptions caused by chip accumulation. These advantages are especially valuable when machining steel, stainless steel, cast iron, aluminum, and other materials used in high-volume manufacturing applications.

Built around a rigid cast iron structure with roller linear guideways, the machine delivers outstanding stability and accuracy even during aggressive cutting operations. The machine’s thermal stability and vibration-resistant design help maintain tight tolerances throughout extended production cycles. Combined with high-speed axis movements and a powerful spindle system, the NHP 4000 is capable of handling both heavy roughing and precision finishing applications.

One of the most productive features of the NHP 4000 is its dual-pallet automatic pallet changer. While one pallet is being machined, operators can load or unload parts on the second pallet. This dramatically reduces non-cutting time and allows manufacturers to achieve significantly higher spindle utilization rates. The machine is also designed to integrate seamlessly with robotic systems, pallet pools, and automated manufacturing cells.

Industries commonly utilizing the NHP 4000 include aerospace manufacturing, automotive production, defense manufacturing, medical equipment manufacturing, semiconductor equipment production, industrial machinery manufacturing, and precision contract machining. Typical parts include gearbox housings, hydraulic manifolds, transmission components, pump bodies, valve blocks, aerospace structures, engine components, and complex multi-sided production parts.

The 2022 DOOSAN NHP 4000 remains one of the most desirable horizontal machining centers in the used CNC marketplace because it offers modern technology, exceptional reliability, and strong long-term value.

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DOOSAN NHP 4000 – AXIS

Specification	Value
Number of Axes	4 Axis
Axis Configuration	X, Y, Z, B
Machine Type	Horizontal Machining Center
B-Axis Indexing	0.001° Increment
Simultaneous Machining	3+1 Axis
Guideway Type	Roller Linear Guides

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DOOSAN NHP 4000 – AXIS TRAVELS / WORK ENVELOPE

Specification	Value
X-Axis Travel	22 in
Y-Axis Travel	24 in
Z-Axis Travel	26 in
B-Axis Rotation	360°
Rapid Traverse Rate	2,362 IPM
Positioning Accuracy	±0.00016 in

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DOOSAN NHP 4000 – CAPACITY / TABLE

Specification	Value
Pallet Size	15.75 in x 15.75 in
Number of Pallets	2
Maximum Pallet Load	880 lbs
Maximum Workpiece Diameter	24 in
Maximum Workpiece Height	35 in
Pallet Change System	Automatic

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DOOSAN NHP 4000 – SPINDLE

Specification	Value
Maximum Spindle Speed	15,000 RPM
Spindle Power	40 HP
Spindle Taper	CAT 40
Spindle Type	Direct Drive
Through-Spindle Coolant	Standard
Through-Spindle Coolant Pressure	Up to 1,000 PSI
Spindle Cooling	Integrated

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DOOSAN NHP 4000 – TOOL CHANGER

Specification	Value
Tool Capacity	60 Tools
Optional Tool Capacity	120 Tools
Tool Change Type	Automatic
Tool-to-Tool Time	1.2 sec
Tool Selection	Random Access
Tool Magazine Type	Chain Style

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DOOSAN NHP 4000 – CONTROL SYSTEM

Specification	Value
CNC Control	Fanuc 31i-B Plus
Touchscreen Interface	Standard
Ethernet Connectivity	Standard
USB Connectivity	Standard
Remote Monitoring	Supported
Industry 4.0 Connectivity	Supported

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DOOSAN NHP 4000 – COOLANT / DUST / WATER MANAGEMENT

Specification	Value
Flood Coolant System	Standard
Through-Spindle Coolant	Standard
High-Pressure Coolant	Available
Chip Conveyor	Standard
Coolant Filtration	Multi-Stage
Automatic Chip Removal	Standard

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DOOSAN NHP 4000 – POWER REQUIREMENTS

Specification	Value
Electrical Supply	220V – 480V
Phase	3 Phase
Frequency	50/60 Hz
Connected Load	Approx. 70 kVA

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DOOSAN NHP 4000 – DIMENSIONS

Specification	Value
Machine Length	Approx. 225 in
Machine Width	Approx. 125 in
Machine Height	Approx. 125 in
Machine Weight	Approx. 30,000 lbs

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DOOSAN NHP 4000 – GENERAL INFORMATION

Specification	Value
Manufacturer	Doosan
Model	NHP 4000
Year	2022
Machine Category	Horizontal Machining Center
Control System	Fanuc 31i-B Plus
Construction	Heavy-Duty Cast Iron
Typical Materials	Steel, Aluminum, Stainless Steel, Titanium
Production Type	High-Volume Manufacturing

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INDUSTRIES THAT USE DOOSAN NHP 4000

• Aerospace Manufacturing
• Automotive Manufacturing
• Defense Manufacturing
• Medical Device Manufacturing
• Semiconductor Equipment Manufacturing
• Industrial Machinery Manufacturing
• Energy Equipment Manufacturing
• Oil & Gas Equipment Manufacturing
• Hydraulic Equipment Manufacturing
• Precision Contract Machining

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TYPICAL PARTS DOOSAN NHP 4000 CAN PRODUCE

• Transmission Housings
• Gearbox Cases
• Hydraulic Manifolds
• Pump Housings
• Valve Bodies
• Engine Components
• Aerospace Structural Parts
• Medical Equipment Components
• Semiconductor Equipment Components
• Industrial Machinery Components
• Defense Components
• Precision Multi-Sided Parts

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WHY CHOOSE DOOSAN NHP 4000

The DOOSAN NHP 4000 has become one of the most popular horizontal machining centers in modern manufacturing because it combines speed, precision, automation readiness, and long-term reliability. The machine is designed to help manufacturers maximize productivity while maintaining the flexibility needed to handle changing production requirements.

A major advantage of the NHP 4000 is its ability to complete multiple machining operations in a single setup. The horizontal machining architecture allows parts to be accessed from multiple sides while maintaining exceptional positional accuracy. This reduces setup times, improves dimensional consistency, and minimizes labor requirements.

The machine’s dual-pallet changer plays a critical role in improving productivity. Operators can prepare the next workpiece while machining continues on the active pallet, dramatically reducing idle time and increasing spindle utilization. In production environments, this capability can significantly improve throughput without increasing labor costs.

The 15,000 RPM spindle delivers outstanding performance across a wide range of materials. Whether machining aluminum at high speeds or cutting hardened steels and stainless materials, the machine provides excellent surface finishes and reliable cutting performance. Combined with fast rapid traverses and quick tool changes, the NHP 4000 helps reduce cycle times and improve overall manufacturing efficiency.

The Fanuc 31i-B Plus control system provides advanced programming functionality, remote monitoring capabilities, and seamless integration with modern manufacturing systems. These features support automation initiatives and Industry 4.0 manufacturing strategies.

For manufacturers seeking a high-performance horizontal machining center capable of supporting both current and future production requirements, the DOOSAN NHP 4000 remains an outstanding investment.

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WHY BUY USED DOOSAN NHP 4000

Purchasing a used DOOSAN NHP 4000 allows manufacturers to acquire advanced machining technology while reducing overall capital expenditures. Because the NHP 4000 is a relatively modern platform, many used machines remain in excellent condition and continue to offer years of productive service.

One of the most significant benefits is cost savings. A used NHP 4000 can often be purchased for substantially less than a new machine while delivering nearly identical production capability. This allows manufacturers to allocate resources toward tooling, fixtures, automation systems, inspection equipment, or additional machining capacity.

The machine’s modern design also contributes to its strong value proposition. Unlike older machining centers that may require extensive upgrades to remain competitive, the NHP 4000 was designed with advanced automation and connectivity capabilities from the beginning. Features such as remote monitoring, Industry 4.0 integration, and automation compatibility help ensure the machine remains relevant for years to come.

Another advantage is availability. New horizontal machining centers frequently involve long lead times due to manufacturing schedules and supply chain constraints. Used machines are often available for immediate delivery, allowing manufacturers to respond quickly to increased customer demand and new business opportunities.

Many used NHP 4000 machines are equipped with premium factory-installed options such as high-pressure coolant systems, expanded tool magazines, probing packages, automation interfaces, and advanced software configurations. Purchasing these features as part of a used machine package can generate substantial savings compared to ordering them separately.

For manufacturers seeking modern production capability, lower acquisition costs, and excellent long-term value, a used DOOSAN NHP 4000 remains an exceptional choice.

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HOW MUCH DOES A USED DOOSAN NHP 4000 COST?

The market value of a used DOOSAN NHP 4000 depends on machine condition, spindle hours, maintenance history, tooling inventory, installed options, automation equipment, and overall market demand. Because the NHP 4000 is a relatively new and highly productive machine platform, it generally maintains strong resale value within the used CNC machinery market.

Machine condition is typically the most important pricing factor. Machines with lower spindle hours, documented service histories, and excellent mechanical condition generally command premium pricing. Buyers often place significant value on maintenance records because they provide confidence regarding future reliability and operating costs.

Installed options can significantly affect pricing. Features such as expanded tool capacity, high-pressure through-spindle coolant systems, probing packages, automation interfaces, robotic integration capability, and advanced software options often increase machine value. These features enhance productivity and can reduce future capital investment requirements.

Market demand also plays a major role. Industries such as aerospace, automotive, defense, semiconductor, medical device, and industrial equipment manufacturing continue to seek highly productive horizontal machining centers capable of supporting automated production environments. Machines equipped with pallet changers and automation readiness typically command stronger resale values.

Additional costs such as transportation, rigging, installation, tooling, and electrical infrastructure should also be considered when evaluating total ownership investment. These costs can vary significantly depending on machine configuration and facility requirements.

In today’s used CNC machinery market, a 2022 DOOSAN NHP 4000 typically sells within a range of approximately $180,000 to $350,000, depending on machine condition, spindle hours, tooling inventory, installed options, automation capabilities, and maintenance history. Machines equipped with expanded tooling, probing systems, automation packages, and comprehensive service records generally command values toward the upper end of the range.

For manufacturers seeking a modern horizontal machining center that delivers exceptional productivity, automation compatibility, and long-term reliability, the DOOSAN NHP 4000 continues to be one of the strongest investments available in the used CNC marketplace.