Haas VF-6SS

$115,000 - $175,000 Updated 2026-03-11

Key Specifications

X Travel

1,626 mm (64 in)

Y Travel

813 mm (32 in)

Z Travel

762 mm (30 in)

Spindle Taper

CAT40

Tool Capacity

30+1 side-mount

Table Size

1,829 x 660 mm (72 x 26 in)

Overview

The Haas VF-6SS is the Super Speed version of the VF-6, combining the large work envelope of a full-size VMC with the high-speed spindle and rapid traverse needed for production aluminum machining. The 12,000 RPM inline direct-drive spindle eliminates the belts and gears of standard Haas spindles, delivering smoother surface finishes, less vibration, and more consistent accuracy at high RPM. With 1,626 x 813 x 762 mm (64 x 32 x 30 inches) of X/Y/Z travel, this is one of the largest Super Speed machines Haas builds.

The SS designation means more than just a faster spindle. The VF-6SS gets an ultra-fast side-mount tool changer that swaps tools significantly quicker than the standard VF-6 carousel, plus high-speed rapids on all axes. Combined with 22.4 kW (30 HP) of spindle power, the VF-6SS can push aggressive feeds and speeds on aluminum while still having enough torque for steel and cast iron work. The 30+1 side-mount tool changer handles CAT40 tooling, and the Haas NGC control includes Visual Programming, 1 GB memory, and WiFi connectivity.

New VF-6SS machines are estimated between $115,000 and $175,000 — typical Haas value pricing for this much capability. The large work envelope makes the VF-6SS particularly attractive for aerospace shops machining structural aluminum plates, mold shops running large cavity work, and job shops that need big-part capability with fast cycle times. The VF-6SS competes with the Mazak VCN-530C, DMG Mori CMX 600V, and Okuma GENOS M560-V in the large-format VMC segment. Specs sourced from Haas Automation published data.

Full Specifications

Parameter	Value
X-Axis Travel	1,626 mm (64 in)
Y-Axis Travel	813 mm (32 in)
Z-Axis Travel	762 mm (30 in)
Table Size	1,829 x 660 mm (72 x 26 in)
Max Table Load	2,041 kg (4,500 lb)
Spindle Speed	12,000 RPM
Spindle Type	Inline direct-drive
Spindle Taper	CAT40
Spindle Motor Power	22.4 kW (30 hp)
Tool Capacity	30+1 side-mount
Tool Change Time	Ultra-fast side-mount (chip-to-chip ~3.6 sec)
Rapid Traverse Rate	35.6 m/min (1,400 ipm) X/Y/Z
Program Memory	1 GB
CNC Control	Haas Next Generation Control (NGC)
Through Spindle Coolant	Optional (1,000 PSI)
Machine Weight	8,618 kg (19,000 lb)

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

Strengths & Limitations

Strengths

Inline direct-drive spindle eliminates belts and gears, providing smoother operation at 12,000 RPM with less vibration and better surface finish than belt-driven alternatives
64 x 32 x 30 inch travel provides one of the largest work envelopes available in a 40-taper VMC, handling oversized plates and mold bases
Ultra-fast side-mount tool changer significantly reduces tool change time compared to the standard VF-6 carousel, improving cycle times on multi-tool programs
1,400 IPM rapids are more than double the standard VF-6's speed, dramatically reducing non-cutting time on large-part programs
Haas value pricing delivers large-format high-speed VMC capability at 40-60% of what comparable Japanese machines cost

Limitations

12,000 RPM maximum is slower than dedicated high-speed machines like the Makino PS95 (20,000 RPM), limiting HSM strategies on small-diameter tools
CAT40 spindle limits maximum torque and rigidity compared to 50-taper machines when heavy roughing steel and cast iron
30+1 tool capacity is adequate for many applications but limits complex multi-feature programs compared to machines with 40-60+ tool magazines
Through-spindle coolant is optional rather than standard, adding cost to the base configuration for shops that need TSC

Best For

Aerospace shops machining large structural aluminum plates, wing ribs, and bulkheads that require both large travel and high spindle speed Mold shops running large mold bases and cavity blocks where the 64-inch X travel and fast spindle speed reduce cycle times Job shops that handle a mix of large aluminum and steel parts and need a single machine that can do both efficiently Production environments machining large automotive fixtures, checking gauges, and tooling from aluminum and steel Shops upgrading from a standard VF-6 seeking significant cycle time improvements through faster spindle, rapids, and tool changes

Frequently Asked Questions

01 What does a new Haas VF-6SS cost?

New VF-6SS machines are estimated between $115,000 and $175,000 depending on options. Common additions include through-spindle coolant ($3,000-$5,000), probing ($3,000-$4,000), 4th-axis interface ($1,500), and additional tooling. Check Haas.com's Build & Price tool or contact your local HFO for current pricing.

02 What is the difference between the VF-6 and VF-6SS?

The VF-6SS upgrades the spindle from an 8,100 RPM geared head to a 12,000 RPM inline direct-drive, adds an ultra-fast side-mount tool changer replacing the standard carousel, and increases rapid traverse speeds on all axes. The work envelope and table capacity remain the same. The SS commands a premium of roughly $15,000-$25,000 over the standard VF-6.

03 Can the VF-6SS handle steel and cast iron?

Yes. While the SS spindle is optimized for high-speed aluminum work, the 30 HP direct-drive motor provides adequate torque for productive steel and cast iron machining at lower RPMs. The VF-6SS is a versatile machine, not a dedicated aluminum-only cutter. It won't match a 50-taper machine for heavy steel roughing, but it handles mixed-material job shop work well.

04 How does the VF-6SS compare to the DMG Mori CMX 600V?

The CMX 600V offers a 12,000 RPM spindle in a smaller work envelope (600 x 560 x 510 mm vs the VF-6SS's 1,626 x 813 x 762 mm). The Haas provides nearly three times the X-axis travel at a comparable or lower price. The DMG Mori offers better positioning accuracy and the CELOS control platform. Choose the VF-6SS for large parts; choose the CMX 600V for higher precision on smaller parts.

05 Is the VF-6SS available with a 50-taper spindle?

No. The VF-6SS is CAT40 only. For 50-taper capability with a large work envelope, look at the Haas VF-6/50 (standard speed) or consider the Haas VR-Series. The CAT40 keeps the machine responsive for high-speed work at the expense of maximum torque.

06 What coolant options does the VF-6SS support?

Standard coolant is a flood system with programmable nozzles. Optional upgrades include 300 PSI or 1,000 PSI through-spindle coolant (recommended for deep hole drilling and aluminum machining), auxiliary coolant, and a high-pressure wash-down system for chip management.