Hwacheon Hi-Tech 550

$120,000 - $230,000 Updated 2026-03-16

Key Specifications

X Travel

340 mm (13.39 in)

Z Travel

1,550 mm (61.02 in)

max turning diameter

640 mm (25.20 in)

max machining length

1,500 mm (59.06 in) long bed

swing over bed

850 mm (33.46 in)

bar capacity

130 mm (5.12 in) big bore

Overview

The Hwacheon Hi-Tech 550 is a large-format CNC turning center from South Korea's oldest machine tool builder, designed for shops that need heavy-duty turning on large-diameter parts with exceptional rigidity and thermal stability. Hwacheon has been building machine tools since 1945 and has earned a strong reputation in Asia and an increasingly loyal following in North America for delivering premium build quality at pricing below the Japanese Big Three.

The Hi-Tech 550 centers around a 21-inch chuck with a main spindle delivering 30 kW (40 hp) at 2,000 RPM through an A2-11 spindle nose. The big bore option provides 130 mm (5.12 in) bar capacity for large-diameter bar-fed production. Maximum turning diameter is 640 mm (25.20 in) with machining length up to 1,500 mm (59.06 in) on the long-bed variant. Swing over the bed is 850 mm (33.46 in). This is a machine built for heavy parts—think oil and gas tubulars, hydraulic cylinders, large pump components, and mining equipment.

Axis travels span 340 mm (X) and 1,550 mm (Z) with rapids at 24 m/min (X) and 24 m/min (Z). The 12-station turret with BMT or VDI tooling accommodates live tools for milling and drilling operations. The machine sits on a one-piece cast iron bed with hardened and ground box ways for maximum vibration damping during heavy interrupted cuts. The integral headstock is cast as part of the bed for enhanced rigidity and thermal performance.

Controlled by Fanuc 0i-TF+ or Siemens SINUMERIK 828D depending on market configuration, the Hi-Tech 550 includes Hwacheon's proprietary HTEC thermal compensation system that monitors and adjusts for spindle and bed thermal growth. At approximately 9,500 kg (20,944 lb), the Hi-Tech 550 requires substantial foundation work.

New machines price between $120,000 and $230,000, representing significant value compared to similarly sized Okuma and Mazak machines. Used units from 2014-2020 trade between $50,000 and $120,000. Direct competitors include the Okuma LB4000 EX II, Mazak Quick Turn 450, and DN Solutions Puma 4100. Specs sourced from Hwacheon published data and dealer documentation.

Full Specifications

Parameter	Value
Max Turning Diameter	640 mm (25.20 in)
Max Machining Length	1,500 mm (59.06 in) long bed
Swing Over Bed	850 mm (33.46 in)
Bar Capacity	130 mm (5.12 in) big bore
X-Axis Travel	340 mm (13.39 in)
Z-Axis Travel	1,550 mm (61.02 in)
Main Spindle Speed	2,000 RPM
Main Spindle Power	30 kW (40 hp)
Main Spindle Nose	A2-11
Live Tool Speed	4,000 RPM (optional)
Tool Stations	12 (BMT or VDI turret)
Chuck Size	21 in (A2-11)
Rapid Traverse X	24 m/min (945 ipm)
Rapid Traverse Z	24 m/min (945 ipm)
Tailstock Quill Diameter	120 mm (4.72 in)
CNC Control	Fanuc 0i-TF+ / Siemens SINUMERIK 828D
Machine Weight	9,500 kg (20,944 lb)

Strengths & Limitations

Strengths

One-piece cast iron bed with integral headstock and box-way construction delivers exceptional rigidity for heavy interrupted cuts on castings, forgings, and tough alloys
130 mm big bore spindle handles the largest bar stock in the class, suitable for oil and gas tubular work and large-diameter production bar feeding
21-inch chuck accommodates very large chucked parts up to 640 mm turning diameter, covering heavy equipment and energy sector component sizes
Significant value proposition: premium build quality at 20-30% less than comparable Okuma and Mazak large-format turning centers
Hwacheon's HTEC thermal compensation system maintains accuracy during heavy roughing cycles that generate significant spindle and bed heat
South Korea's oldest machine tool builder (since 1945) with a proven track record of industrial-grade reliability across Asian manufacturing

Limitations

2,000 RPM spindle speed is the slowest in the class, limiting high-speed turning on smaller-diameter parts and non-ferrous materials
24 m/min rapids are noticeably slower than Japanese competitors (30+ m/min), adding non-cutting time on production parts with frequent positioning moves
Hwacheon's North American dealer network is smaller than Mazak, Okuma, or even DN Solutions, which can affect service response times outside major metro areas
Brand awareness in North America is lower than Japanese and some Korean competitors, which can impact resale value when trading equipment
9,500 kg machine weight and large footprint require substantial foundation engineering and rigging that adds $15,000-$25,000 to installation costs

Best For

Oil and gas shops machining large-diameter tubulars, couplings, flanges, and downhole components where the 130 mm big bore and 21-inch chuck are essential Heavy equipment manufacturers producing hydraulic cylinders, large shafts, pump bodies, and mining components that demand rigid heavy-duty turning Shops seeking large-format turning capability at a significant discount to comparable Japanese machines without sacrificing build quality Long-shaft production where the 1,500 mm machining length accommodates workpieces that would require larger and more expensive machines from competitors Foundry and forge shops machining large castings and forgings where the box-way construction excels at vibration damping during heavy interrupted cuts

Frequently Asked Questions

01 What does a new Hwacheon Hi-Tech 550 cost?

Base 2-axis configurations start around $120,000-$140,000. Adding live tooling, C-axis, high-pressure coolant, and chip conveyor brings the price to $180,000-$230,000. Used Hi-Tech 550 machines from 2014-2020 trade between $50,000 and $120,000 depending on configuration, hours, and condition.

02 Who distributes Hwacheon in North America?

Hwacheon has established a direct presence through Hwacheon Machinery America with headquarters and a technology center in the United States. They also work through regional machine tool distributors. The service network is growing but is currently smaller than Mazak, Okuma, or Haas. Check Hwacheon's website for the nearest authorized dealer in your region.

03 How does the Hi-Tech 550 compare to the Okuma LB4000 EX II?

The Okuma LB4000 EX II offers a smaller work envelope (480 mm turning diameter vs 640 mm, 15-inch chuck vs 21-inch) with faster rapids (30-33 m/min vs 24 m/min) and the Thermo-Friendly thermal compensation system. The Hwacheon counters with a much larger work envelope, bigger bore (130 mm vs 117 mm), and significantly lower pricing. Choose the Okuma for precision on mid-size parts; choose the Hwacheon when part size demands the larger platform.

04 Is Hwacheon a reliable machine tool brand?

Yes. Hwacheon is South Korea's oldest machine tool manufacturer (founded 1945) with over 75 years of production history. Their machines are widely used in Korean, Japanese, and Southeast Asian manufacturing. The Hi-Tech series has a strong reputation for heavy-duty reliability. Build quality is comparable to Japanese machines, with the price advantage coming from lower overhead and Korean manufacturing costs rather than material or engineering compromises.