Okuma MA-600HII

$450,000 - $650,000 Updated 2026-03-11

Key Specifications

X Travel

1,000 mm (39.4 in)

Y Travel

900 mm (35.4 in)

Z Travel

1,000 mm (39.4 in)

Max Spindle

6,000 RPM (8,000 or 10,000 RPM optional)

Spindle Taper

No. 50 (CAT 50 / BT 50)

Tool Capacity

60 tools standard (up to 194 optional)

Overview

The Okuma MA-600HII is a heavy-duty 630mm-class horizontal machining center built for shops that need serious rigidity and cutting force for steel, cast iron, and other ferrous materials. With 1,000 x 900 x 1,000 mm (39.4 x 35.4 x 39.4 in) of travel on 630 x 630 mm (24.8 x 24.8 in) pallets, this machine occupies a decidedly different tier than 500mm HMCs like Okuma's own MB-5000HII.

The standard spindle is a CAT 50 / BT 50 taper running at 6,000 RPM with 30 kW (40 hp) and a substantial 606 Nm of torque — more than double what most 500mm CAT 40 machines deliver. This is a machine that doesn't flinch at heavy roughing in hardened steel or aggressive hogging in cast iron. Optional spindle configurations push to 8,000 or 10,000 RPM for shops that need a broader speed range while retaining the CAT 50 rigidity.

At 24,500 kg (54,000 lb), the MA-600HII has serious mass behind it. The box-way construction on all axes provides the damping and rigidity that linear-guide machines can't match during interrupted cuts and heavy roughing. The 60-tool ATC scales to 194 tools for high-mix production, and the 2,640 lb (1,200 kg) pallet capacity handles heavy tombstone fixtures without issue.

The machine runs on the OSP-P300MA control (OSP-P500 on current-production III-generation units). Okuma's Thermo-Friendly Concept handles thermal compensation across temperature swings, which is particularly important on a machine this large where thermal growth can be significant. New MA-600HII machines price in the $450,000-$650,000 range. Used units from 2012-2020 trade between $125,000 and $375,000. The III-generation (MA-600HIII) is the current-production successor. Specs sourced from Okuma published data and dealer listings.

Full Specifications

Parameter	Value
X-Axis Travel	1,000 mm (39.4 in)
Y-Axis Travel	900 mm (35.4 in)
Z-Axis Travel	1,000 mm (39.4 in)
Max Spindle Speed	6,000 RPM (8,000 or 10,000 RPM optional)
Spindle Taper	No. 50 (CAT 50 / BT 50)
Spindle Motor Power	30 kW (40 hp); higher power options available
Spindle Torque	606 Nm (447 ft-lb)
Tool Capacity	60 tools standard (up to 194 optional)
Tool Change Time	2.8 sec tool-to-tool
Pallet Size	630 x 630 mm (24.8 x 24.8 in)
Max Workpiece Size	Ø 1,050 x 1,200 mm (Ø 41.3 x 47.2 in)
Max Work Weight	1,200 kg (2,640 lb)
Rapid Traverse Rate	60 m/min (2,362 ipm)
Table Indexing	0.001° increment, full 4th axis
Machine Weight	53900 (LBS)
Machine Footprint	3,450 x 7,100 mm (135.8 x 279.5 in) W x D
CNC Control	OSP-P300MA (OSP-P500 on MA-600HIII)
Positioning Accuracy	±0.004 mm (±0.00016 in)
Repeatability	±0.002 mm (±0.00008 in)
Modelma 600hiibrandokumatypehorizontal Machining Centerscontrolcontact Sales Rep	Contact Sales Rep.
Modelma 600hiibrandokumatypehorizontal Machining Centerscontrol	Contact Sales Rep.
Model	MA-600HII
Brand	OKUMA
Type	Horizontal Machining Centers
X3937y3543z3937power40 Hprpm6000 Rpm Atc40	Pallet-W24.8"Pallet-L24.8"# Axis3ControlCNCDimensions134.25"W x 255.71"D x 126.97"HWeight53900 (LBS)
X	39.37"
Y	35.43"
Z	39.37"
Power	40 hp
Rpm	6,000 RPM
Atc	40
Pallet W	24.8"
Pallet L	24.8"
Axis	3
Cnc Control	CNC
Dimensions	134.25"W x 255.71"D x 126.97"H
Looking To Purchase A New Okuma Ma 600hii	Contact Sales Rep.
Listings	(5)
Machining Centers Horizontal	10 photosYear: 2018
22 Photos	Year: 2021
20 Photos	Year: 2019
10 Photos	Year: 2018

Specifications sourced from machinetools.com — verified 2026-03-28

Strengths & Limitations

Strengths

606 Nm spindle torque on the CAT 50 taper delivers the cutting force needed for aggressive roughing in steel, cast iron, and other demanding ferrous materials
24,500 kg machine weight with box-way construction provides exceptional rigidity and vibration damping during heavy interrupted cuts and deep roughing passes
1,200 kg (2,640 lb) pallet capacity handles heavy tombstone fixtures that would overwhelm 500mm-class HMCs limited to 500 kg
1,000 x 900 x 1,000 mm work envelope is significantly larger than 500mm HMCs, enabling bigger parts and taller fixture setups in a single clamping
Thermo-Friendly Concept thermal compensation is critical on a machine this size where thermal growth across long production runs would otherwise require manual adjustment
60-tool standard ATC scales to 194 tools for high-mix production without the reliability concerns sometimes associated with third-party matrix changers
60 m/min rapids keep repositioning times competitive despite the machine's massive size

Limitations

6,000 RPM standard spindle speed is limiting for aluminum and non-ferrous high-speed machining — shops running mixed materials should spec the 10,000 RPM option
At 24,500 kg and 3,450 x 7,100 mm footprint, the MA-600HII requires significant floor space and foundation preparation that many shops can't accommodate
2.8-second tool-to-tool change time is notably slower than 500mm HMCs (0.9-1.5 sec typical), adding cycle time on tool-heavy programs
OSP control ecosystem has a smaller trained-operator pool than Fanuc, which can make staffing more difficult in some regions
Price premium over 500mm HMCs is substantial ($450K+ vs $350K+), and total installed cost including foundation, rigging, and setup can approach $750K+

Best For

Heavy steel and cast iron production where CAT 50 torque and box-way rigidity are non-negotiable for achieving required metal removal rates Large die and mold machining where the 1,000 x 900 x 1,000 mm work envelope handles bigger workpieces than 500mm HMCs can accommodate Aerospace structural components in steel and titanium where heavy roughing followed by precision finishing demands both rigidity and accuracy Heavy equipment and energy sector component production where 1,200 kg pallet capacity enables complex multi-face fixturing on large tombstones Shops consolidating multiple setups into single-pallet operations by leveraging the larger work envelope and higher pallet load capacity Production environments running 24/7 on ferrous materials where Thermo-Friendly Concept maintains accuracy across temperature swings without operator intervention

Frequently Asked Questions

01 What does a new Okuma MA-600HII cost?

New MA-600HII machines (or the current III-generation MA-600HIII) start around $450,000 for a base configuration. With expanded ATC (194 tools), 10,000 RPM spindle option, high-pressure coolant, probing, and full automation, expect $550,000-$650,000+. Used MA-600HII units from 2012-2020 trade between $125,000 and $375,000 depending on hours, configuration, and condition. Foundation and rigging can add $15,000-$30,000 to the installed cost.

02 How does the MA-600HII compare to the MB-5000HII?

They serve different markets. The MB-5000HII is a high-speed 500mm CAT 40 machine optimized for aluminum and non-ferrous production at roughly half the weight and price. The MA-600HII is a heavy-duty 630mm CAT 50 machine built for ferrous materials where torque and rigidity matter more than spindle speed. The MA-600HII has about 4 tons more mass and double the pallet capacity. If you're cutting mostly aluminum, the MB-5000HII is the better choice. For steel and cast iron production, the MA-600HII is purpose-built.

03 Should I get the 6,000 or 10,000 RPM spindle?

If your work is 80%+ steel and cast iron, the 6,000 RPM spindle with maximum torque is ideal. For mixed-material shops that also run aluminum, brass, or other non-ferrous materials, the 10,000 RPM option provides the speed range needed to be productive on both. The 10,000 RPM option typically trades some torque for higher speed, so evaluate your actual cutting parameters.

04 What's the difference between the MA-600HII and MA-600HIII?

The MA-600HIII is the current-production successor with the OSP-P500 control (replacing OSP-P300MA), improved thermal management, updated servo drives, and a 21.5-inch display option. The fundamental machine architecture and work envelope remain the same. If buying used, the HII generation is still an excellent machine and represents strong value.

05 Does the MA-600HII support automation?

Yes. The standard two-pallet changer enables basic unattended operation. Okuma's PALLETACE system provides multi-pallet automation with 6+ pallets for lights-out production. The machine also supports FMS (Flexible Manufacturing System) integration. Automation is particularly valuable on this machine class where long cycle times on heavy parts can yield hours of unattended runtime per pallet.

06 What foundation does the MA-600HII need?

At 24,500 kg (54,000 lb), the MA-600HII requires a proper foundation — typically a reinforced concrete pad 12-18 inches thick with anchor bolts, though exact requirements depend on your soil conditions and facility. Consult Okuma's installation guide and a structural engineer. Budget $10,000-$25,000 for foundation work. The machine also needs adequate crane access for rigging — plan for a 30+ ton crane capacity.