DN Solutions Horizontal Machining Centers

DN Solutions NHM 6300

$250,000 - $400,000 Updated 2026-03-11

Key Specifications

X Travel

1,050 mm (41.3 in)

Y Travel

850 mm (33.5 in)

Z Travel

1,000 mm (39.4 in)

Spindle Taper

BT50 (No. 50)

Tool Capacity

60 tools

Rapid Traverse

50 m/min (1,968 ipm) X/Y/Z

Overview

The DN Solutions NHM 6300 is a heavy-duty horizontal machining center built for aggressive cutting of tough materials including cast iron, steel, and exotic alloys. Formerly sold under the Doosan brand before the company rebranded to DN Solutions, the NHM 6300 features a high-rigidity one-piece bed structure and a BT50 spindle producing 35 kW of power and 1,732 Nm of torque — numbers that put it squarely in the heavy metal removal category. This is a machine for shops that need to move chips, not just make pretty finishes.

The work envelope provides 1,050 x 850 x 1,000 mm (41.3 x 33.5 x 39.4 inches) of X/Y/Z travel with a 630 x 630 mm pallet supporting workpieces up to 1,500 kg. The 60-position automatic tool changer handles tools up to 25-30 kg, and the servo-driven ATC delivers fast tool changes even at these heavy tool weights. Rapid traverse hits 50 m/min (1,968 IPM) on all axes, which is competitive for a machine of this size and rigidity class.

The NHM 6300 runs on the Fanuc 31i-B5 control with DN Solutions' proprietary interface. Available configurations include a standard B-axis (1-degree indexing) or a full contouring B-axis for simultaneous 4-axis machining. New machines typically price between $250,000 and $400,000 depending on configuration. The NHM 6300 competes with the Okuma MB-5000H, Mazak HCN-5000, and Haas EC-400 in the mid-to-large horizontal machining center segment, though its heavy-duty spindle positions it closer to the Okuma MA-500HII. Specs sourced from DN Solutions published data and Ellison Technologies documentation.

Full Specifications

Parameter	Value
X-Axis Travel	1,050 mm (41.3 in)
Y-Axis Travel	850 mm (33.5 in)
Z-Axis Travel	1,000 mm (39.4 in)
Pallet Size	630 x 630 mm (24.8 x 24.8 in)
Max Pallet Load	1,500 kg (3,307 lb)
Spindle Speed	6,000 RPM
Spindle Taper	BT50 (No. 50)
Spindle Motor Power	22/35 kW (29.5/46.9 hp)
Spindle Torque	1,732 Nm (1,278 ft-lb)
Tool Capacity	60 tools
Max Tool Weight	25-30 kg (55-66 lb)
Rapid Traverse Rate	50 m/min (1,968 ipm) X/Y/Z
B Axis	1° indexing (full contouring B-axis optional)
Number Of Pallets	2 (APC standard)
CNC Control	Fanuc 31i-B5
Machine Weight	18,000 kg (39,683 lb)
Nhm 5000horizontal Machining Centres	25kW/6000rpm spindle376ea tool stations6055 x 3670 x 3330 mm (LxWxH)View machine
Nhm 8000horizontal Machining Centres	35kW/6000rpm spindle376ea tool stations7380 x 4325 x 3760 mm (LxWxH)View machine
Nhm 6300horizontal Machining Centres	35kW/6000rpm spindle376ea tool stations6410 x 3930 x 3495 mm (LxWxH)View machine

Specifications sourced from millscnc.co.uk — verified 2026-03-28

Strengths & Limitations

Strengths

1,732 Nm of spindle torque is exceptional for this machine class, enabling aggressive roughing of cast iron, steel, and titanium without bogging down
One-piece bed structure provides superior rigidity compared to assembled bed designs, maintaining accuracy under heavy cutting loads
60-position ATC with servo-driven tool change handles heavy tools up to 30 kg at high speed, minimizing non-cutting time in tool-heavy programs
50 m/min rapid traverse is fast for a heavy-duty HMC, reducing positioning time between features on large workpieces
DN Solutions (formerly Doosan) offers competitive pricing relative to Japanese competitors while delivering comparable heavy-cutting capability

Limitations

6,000 RPM maximum spindle speed limits high-speed aluminum machining — shops cutting predominantly aluminum should look at 10,000+ RPM options
Machine weight of 18,000 kg requires substantial foundation work and limits placement flexibility within the shop
BT50 tooling is larger and more expensive than BT40/CAT40, adding ongoing tooling costs compared to smaller HMCs
DN Solutions' service network in North America, while growing, is smaller than established Japanese brands like Mazak and Okuma

Best For

Heavy equipment and construction machinery manufacturers machining large cast iron housings, gear cases, and structural components Energy sector shops producing valve bodies, pump housings, and turbine components from tough alloy steels Automotive powertrain manufacturers machining engine blocks, transmission cases, and differential housings in high volumes Aerospace structural component manufacturers who need high metal removal rates on large titanium and Inconel parts Contract manufacturers handling a mix of heavy-duty horizontal work across multiple industries and materials

Frequently Asked Questions

01 What does a new DN Solutions NHM 6300 cost?

New NHM 6300 machines typically start around $250,000 for a standard configuration and can reach $400,000 with full contouring B-axis, expanded tool magazine, high-pressure coolant, and automation options. This pricing is generally 10-20% below comparable Japanese competitors, making the NHM 6300 a strong value proposition in the heavy-duty HMC segment.

02 Is this the same as the Doosan NHM 6300?

Yes. Doosan Machine Tools rebranded to DN Solutions in 2022. The NHM 6300 is the same machine with the same specifications and manufacturing location. Older machines sold under the Doosan name are mechanically identical to current DN Solutions production.

03 What is the difference between the NHM 6300 and NHP 6300?

The NHP 6300 is the higher-performance variant with faster spindle speeds (up to 12,000 RPM with the high-speed spindle option), faster rapids, and additional automation features. The NHM 6300 prioritizes torque and heavy-cutting capability over speed. Choose the NHM for heavy roughing of steel and cast iron; choose the NHP for faster production with lighter cuts.

04 Can the NHM 6300 be automated?

Yes. The standard 2-pallet automatic pallet changer enables pendulum machining. DN Solutions also offers multi-pallet pool systems and robotic integration for full lights-out production. The 1,500 kg pallet capacity can handle heavy fixtures without exceeding weight limits.

05 How does the NHM 6300 compare to the Okuma MB-5000H?

The MB-5000H uses a smaller 500 mm pallet and CAT50 spindle with less torque, positioning it for lighter production work. The NHM 6300's 630 mm pallet and 1,732 Nm torque make it better suited for heavy-duty applications. The Okuma offers the THINC control with better thermal compensation. Choose based on whether you prioritize raw cutting power (NHM 6300) or precision and thermal stability (MB-5000H).

06 What foundation does the NHM 6300 need?

At 18,000 kg, the NHM 6300 requires a reinforced concrete foundation with adequate load-bearing capacity. DN Solutions provides foundation drawings and specifications for each installation. Most industrial floors built to standard specifications can support the machine, but older facilities may need foundation work.