Okuma GENOS M660-V

$105,000 - $135,000 Updated 2026-03-13

Key Specifications

X Travel

1,050 mm (41.3 in)

Y Travel

560 mm (22.0 in)

Z Travel

460 mm (18.1 in)

Max Spindle

min⁻¹

Spindle Taper

BT 40

Tool Capacity

32 (arm-type ATC)

Overview

The Okuma GENOS M660-V is the larger sibling in Okuma's value-line GENOS M vertical machining center series, offering 1,050 x 560 x 460 mm (41.3 x 22.0 x 18.1 in) of travel for shops that need more work envelope than the compact M460-VE without stepping up to the premium MB series.

The spindle delivers 15,000 RPM with 22/18.5 kW (30/25 hp) through a BT 40 taper, matching the M460-VE's high-speed capability in a larger frame. A 32-tool arm-type ATC handles tool changes quickly, keeping cycle times competitive with purpose-built production machines. The increased X travel at 1,050 mm gives shops room to run larger workpieces or multiple parts per setup with tombstone fixturing.

Okuma's Thermo-Friendly Concept is standard on the GENOS M660-V, using embedded temperature sensors to compensate for thermal deformation throughout the machine structure. This is particularly valuable in the GENOS M660-V's use case: shops running a mix of short-run jobs where the machine never fully warms up and the first part needs to be as accurate as the twentieth.

The roller guide construction provides fast axis acceleration and precise positioning, while the rigid one-piece bed casting gives stability for steel cutting. The 1,300 x 560 mm (51.2 x 22.0 in) table with 900 kg (1,984 lb) load capacity accommodates fixtures and workpieces that would be cramped on the smaller M460-VE.

The OSP-P300A control provides Okuma's standard feature set including Collision Avoidance System (CAS), conversational programming, and G-code support on a 15-inch touchscreen. The control integrates tightly with the machine's servo systems and thermal compensation, an advantage of Okuma's vertically integrated manufacturing approach.

New GENOS M660-V machines price between $105,000 and $135,000. The value proposition is strong: you get Okuma quality, thermal stability, and a 15K spindle for less than many competitors charge for 40-inch travel machines. Used units from 2015-2019 run $55,000-$80,000. Direct competitors include the Mazak VCN-530C, Haas VF-3, and DMG Mori CMX 600 V.

Full Specifications

Parameter	Value
X-Axis Travel	1,050 mm (41.3 in)
Y-Axis Travel	560 mm (22.0 in)
Z-Axis Travel	460 mm (18.1 in)
Max Spindle Speed	min⁻¹
Spindle Taper	BT 40
Spindle Motor Power	kW
Tool Capacity	32 (arm-type ATC)
Table Size	1,500 x 660
Max Table Load	900 kg (1,984 lb)
Rapid Traverse Rate	X-Y 40, Z: 32
Positioning Accuracy	±0.005 mm
Repeatability	±0.003 mm
Machine Weight	6,500 kg (14,330 lb)
CNC Control	OSP-P300A
Guide Type	Linear roller guides (all axes)
Floor Space Required	2,850 x 2,750 mm (112.2 x 108.3 in)
Max Machining Volume	1,500 x 660 x 660
Okuma Global Repair Center	Charlotte, North Carolina
Inches	Metric
Spindle Speed	CAT40 15K [CAT50 12K]
Spindle Motor Power	22/18.5
Magazine Capacity	32 Tools

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

Strengths & Limitations

Strengths

1,050 mm X-travel in a value-line machine gives 40-inch work envelope at a mid-range price point
15,000 RPM spindle speed enables high-speed aluminum machining alongside steel cutting
Thermo-Friendly Concept standard ensures thermal stability from cold start through full production
900 kg table load handles heavier fixtures and larger workpieces than the smaller GENOS M460-VE
Collision Avoidance System (CAS) included, preventing crashes during setup and programming
One-piece bed casting with roller guides balances rigidity and positioning speed
Price-competitive with 40-inch travel VMCs from Haas and Mazak while offering Okuma build quality

Limitations

460 mm Z-travel is limited compared to competitors like the Haas VF-3 (635 mm Z)
BT 40 taper restricts heavy tool clamping; shops doing aggressive roughing may want a BT 50 machine
OSP-P300A is simpler than the full P500 control, lacking some advanced features for complex 3+2 work
Okuma dealer network is smaller than Haas in North America, potentially affecting service response times
32-tool magazine maxes out on complex parts requiring 20+ different tools per setup

Best For

Job shops needing a 40-inch travel VMC with high-speed spindle at a competitive price Production environments running medium-sized aluminum and steel parts with tight tolerances Shops stepping up from entry-level machines that want Okuma quality without MB-series pricing Automotive suppliers producing mid-sized components with mixed-material requirements Facilities with temperature variation that need built-in thermal compensation for consistent accuracy

Frequently Asked Questions

01 What does an Okuma GENOS M660-V cost new?

New GENOS M660-V machines run $105,000-$135,000 depending on options. A base machine with 32-tool ATC starts around $105K. Through-spindle coolant, probing packages, and chip conveyors push toward $135K. Used units from 2015-2019 sell for $55,000-$80,000.

02 How does the GENOS M660-V compare to the Haas VF-3?

The GENOS M660-V offers 15K RPM vs 8,100 RPM on the VF-3, plus Okuma's thermal stability system. The Haas VF-3 has more Z travel (635 vs 460 mm) and costs less starting around $75K. For high-speed work and thermal accuracy, the Okuma is superior. For budget-conscious shops needing Z depth, the Haas wins on value.

03 What's the difference between the GENOS M660-V and GENOS M460-VE?

The M660-V has significantly more travel: 1,050 vs 762 mm X, 560 vs 460 mm Y. The table is larger (1,300x560 vs 1,000x460 mm) with higher load capacity (900 vs 500 kg). Both share the same 15K RPM spindle and OSP-P300A control. The M660-V weighs about 1,700 kg more. Choose the M460-VE for compact work, the M660-V for larger parts.

04 Is the GENOS M660-V suitable for mold work?

It handles light mold work well with its 15K RPM spindle and thermal stability, but the 460 mm Z travel limits mold depth. For deep molds, consider the Okuma MB-66V with more Z travel or the MA-650V series. The GENOS M660-V is better suited for electrodes, small molds, and general precision machining.

05 Does the GENOS M660-V support 4th-axis work?

Yes, the machine offers 4th-axis prep as a standard or optional feature, with hydraulic and pneumatic connections on the table for rotary table integration. Okuma offers compatible rotary tables, and third-party tables from Tsudakoma and others also mount directly.