Haas Automation Vertical Machining Centers

Haas VF-8SS

$175,000 - $235,000 Updated 2026-03-19

Key Specifications

X Travel

1,981 mm (78 in)

Y Travel

813 mm (32 in)

Z Travel

762 mm (30 in)

Max Spindle

12,000 RPM

Spindle Taper

CT40 / BT40 / HSK-A63

Tool Capacity

30+1 SMTC

Overview

The Haas VF-8SS is the super-speed version of the extra-large VF-8, combining 1,981 x 813 x 762 mm (78 x 32 x 30 in) of travel with a 12,000 RPM inline direct-drive spindle. With 78 inches of X-travel and high-speed cutting capability, the VF-8SS is the machine for shops machining very large aluminum parts where cycle time reduction is critical.

The 22.4 kW (30 hp) inline direct-drive spindle delivers 122 Nm (90 ft-lbf) of torque at 2,000 RPM while spinning to 12,000 RPM. The direct-drive design provides smoother operation and better surface finishes at high RPM compared to geared-head alternatives. The CT40/BT40/HSK-A63 taper accepts standard 40-taper tooling, preserving tooling compatibility across the shop.

The table measures 1,981 x 711 mm (78 x 28 in) with five T-slots on 125 mm centers and approximately 1,814 kg (4,000 lb) of load capacity. At roughly 10,886 kg (24,000 lb), the VF-8SS is a heavy machine that provides excellent vibration damping across the full 78-inch span.

Rapid traverse runs at approximately 25.4 m/min (1,000 ipm) on all axes, somewhat slower than the smaller SS models due to the greater mass and travel distance. The 30+1 SMTC posts 1.8-second tool-to-tool and 2.4-second chip-to-chip times. Max cutting feedrate is 21.2 m/min (833 ipm). The VF-8SS bridges the gap between the VF-6SS and the VF-9SS, offering extra-large format high-speed machining that competes with machines costing significantly more. Specs derived from Haas Automation published data for the VF-8 and SS platform.

Full Specifications

Parameter	Value
X-Axis Travel	1,981 mm (78 in)
Y-Axis Travel	813 mm (32 in)
Z-Axis Travel	762 mm (30 in)
Spindle Nose To Table Max	864 mm (34 in)
Spindle Nose To Table Min	102 mm (4 in)
Max Spindle Speed	12,000 RPM
Spindle Taper	CT40 / BT40 / HSK-A63
Spindle Motor Power	30.0 hp
Spindle Torque Max	122 Nm (90 ft-lbf) @ 2,000 RPM
Spindle Drive	Inline Direct-Drive
Spindle Cooling	Liquid Cooled
Tool Capacity	30+1 SMTC
Tool To Tool	2.30 s
Chip To Chip	3.20 s
Max Tool Diameter	2.5 in
Max Tool Weight	12.0 lb
Max Tool Length	16.00 in
Table Size	1,981 x 711 mm (78 x 28 in)
Table Load Max	1,814 kg (4,000 lb)
T Slots	5 slots, 125 mm (4.92 in) center distance
Max Cutting Feedrate	21.2 m/min (833 ipm)
Rapid Traverse X	25.4 m/min (1,000 ipm)
Rapid Traverse Y	25.4 m/min (1,000 ipm)
Rapid Traverse Z	25.4 m/min (1,000 ipm)
Max Thrust X	3400 lbf
Max Thrust Y	3400 lbf
Max Thrust Z	3400 lbf
Machine Weight	10,886 kg (24,000 lb)
CNC Control	Haas Next Generation Control (NGC)
Coolant Capacity	95 gal
Air Required	4 scfm @ 100 psi
Electrical Low	220 VAC 3-phase, 70 A
Electrical High	440 VAC 3-phase, 35 A
Travels	S.A.E
X Axis	64.00 in
Y Axis	40.00 in
Z Axis	30.00 in
Spindle Nose To Table	4.0 in
Spindle	S.A.E
Max Rating	30.0 hp
Max Speed	12000 rpm
Max Torque	90.0 ft-lbf @ 2000 rpm
Drive System	Inline Direct-Drive
Taper	CT40 \| BT40 \| HSK-A63
Bearing Lubrication	Air / Oil Injection
Cooling	Coolant Jacket
Table	S.A.E
Length	64.0 in
Width	36.0 in
T Slot Width	0.626 in to 0.630 in
T Slot Center Distance	4.92 in
Number Of Std T Slots	7
Max Weight On Table	2000 lb
Feedrates	S.A.E
Max Cutting	833 ipm
Rapids On X	1200 ipm
Rapids On Y	1200 ipm
Rapids On Z	1200 ipm
Axis Motors	S.A.E
Tool Changer	S.A.E
Type	SMTC
Capacity	30+1
Max Tool Diameter Large	5.0 in
Max Tool Diameter Extra Large	6.0 in
General	S.A.E
Air Requirements	S.A.E
Inline Air Hose	3/8 in
Coupler	3/8 in
Air Pressure Min	80 psi
Electrical Specification	S.A.E
Input Ac Voltage Low	220 VAC
Full Load Amps Low	70 A
Input Ac Voltage High	440 VAC
Full Load Amps High	35 A
Dimensions Shipping	S.A.E
Domestic Pallet	193.0 in x 120.0 in x 130.0 in
Export Crate	193.0 in x 123.0 in x 134.0 in
Machine Weight	24800 lb
Domestic Pallet W Ec Option	193 in x 120 in x 135 in
Export Crate W Ec Option	193 in x 123 in x 139 in
Weight W Ec Option	24800 lb
Domestic Pallet W 501 Smtc	193 in x 120 in x 138 in
Export Crate W 501 Smtc	193 in x 123 in x 142 in
Weight W 501 Smtc	24800 lb
Domestic Pallet W Ec Option 501 Smtc	193 in x 120 in x 143 in
Export Crate W Ec Option 501 Smtc	193 in x 123 in x 147 in
Weight W Ec Option 501 Smtc	24800 lb
Haas Rotary	HAAS MACHINE
Ha2ts	VF-8SS
Ha5c	VF-8SS
Ha5c T	VF-8SS
Ha5c2	VF-8SS
Ha5c2 T	VF-8SS
Ha5c3	VF-8SS
Ha5c3 T	VF-8SS
Ha5c4	VF-8SS
Ha5c4 T	VF-8SS
Ha5cs	VF-8SS
Hqda5	VF-8SS
Hrc160	VF-8SS
Hrc210	VF-8SS
Hrt100	VF-8SS
Hrt160	VF-8SS
Hrt160 2	VF-8SS
Hrt160sp	VF-8SS
Hrt160ss	VF-8SS
Hrt200hs	VF-8SS
Hrt210	VF-8SS
Hrt210 2	VF-8SS
Hrt210ht	VF-8SS
Hrt210m	VF-8SS
Hrt210sp	VF-8SS
Hrt210ss	VF-8SS
Hrt210vm	VF-8SS
Hrt310	VF-8SS
Hrt310sp	VF-8SS
Hrt310ss	VF-8SS
Hrt450	VF-8SS
Hrt630	VF-8SS
Hrta5	VF-8SS
Hrta6	VF-8SS
Lt260	VF-8SS
Lt350	VF-8SS
T5c	VF-8SS
T5c2	VF-8SS
T5c3	VF-8SS
T5c4	VF-8SS
Th240	VF-8SS
Th450	VF-8SS
Tr160	VF-8SS
Tr160 2	VF-8SS
Tr200y	VF-8SS
Tr210	VF-8SS
Tr310	VF-8SS
Tr500ss	VF-8SS
Trt100	VF-8SS
Trt160	VF-8SS
Trt210	VF-8SS
Trt310	VF-8SS
Trt70	VF-8SS

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

Strengths & Limitations

Strengths

12,000 RPM spindle on a 78 x 32-inch envelope is the fastest Haas offers for extra-large aluminum parts
1,981 mm (78 in) X-travel handles long parts that exceed the VF-6SS's 64-inch reach
1.8-second tool-to-tool and 2.4-second chip-to-chip cut non-cutting overhead on multi-tool programs
1,000 ipm rapids are dramatically faster than the standard VF-8's 762 ipm for reduced non-cutting time
30 HP direct-drive spindle provides smooth operation at 12K RPM while retaining torque for occasional steel work
10,886 kg machine mass provides excellent vibration control across the full 78-inch span

Limitations

40-taper spindle limits heavy roughing in steel and cast iron; the VF-8/50 is better for hard materials
1,000 ipm rapids are slower than the 1,200-1,400 ipm on smaller SS models due to greater machine mass and travel
24,000 lb machine weight requires solid floor preparation, heavy rigging, and significant floor space
30+1 tool capacity may constrain complex programs requiring many tools; 50+1 adds cost

Best For

Aerospace shops machining large aluminum structural plates, wing skins, and bulkheads up to 78 inches long Mold shops running large aluminum master patterns and cavity blocks at high speeds Job shops handling extra-large aluminum and mixed-material parts needing high-speed capability Production environments machining large automotive tooling, fixtures, and checking gauges from aluminum Shops upgrading from a standard VF-8 that need dramatic cycle time improvements on aluminum programs

Frequently Asked Questions

01 What does a new Haas VF-8SS cost?

Base price starts around $175,000. With through-spindle coolant, probing, chip conveyor, and common options, expect $210,000-$235,000.

02 How does the VF-8SS compare to the VF-6SS?

The VF-8SS adds 14 inches of X-travel (78 vs 64 in) and has a wider table. It costs roughly $60K more. Both share 12,000 RPM spindles and 30 HP power. Choose the VF-8SS when parts exceed the VF-6SS's 64-inch X reach.

03 Can the VF-8SS cut steel?

Yes. The 30 HP spindle with 122 Nm at 2,000 RPM handles mild steel and stainless. For heavy steel roughing with large tools, the VF-8/50 with its 40 HP, 50-taper spindle is a better choice.

04 Why are the rapids slower than the VF-6SS?

The VF-8SS moves more mass over a longer distance (78 vs 64 inches of X), which requires reduced rapid rates for reliable positioning. The 1,000 ipm rapids are still 31% faster than the standard VF-8's 762 ipm.