Haas VF-6/50
Key Specifications
X Travel
Y Travel
Z Travel
Max Spindle
Spindle Taper
Tool Capacity
Overview
The Haas VF-6/50 is the 50-taper version of the large-frame VF-6, combining 1,626 x 813 x 762 mm (64 x 32 x 30 in) of travel with the heavy-duty cutting capability of a CAT 50 spindle. When the standard 40-taper VF-6 does not have enough torque and rigidity for aggressive steel and cast iron roughing, the /50 variant delivers the answer.
The 29.8 kW (40 hp) geared-head spindle runs at 7,500 RPM with a two-speed gearbox option that delivers massive torque for face milling and heavy roughing operations. The CAT 50 taper provides the clamping force and rigidity for large-diameter face mills, boring bars, and shell mills. This is the spindle that lets you run 4-inch face mills at aggressive feeds without chatter.
The table measures 1,829 x 660 mm (72 x 26 in) with five T-slots on 125 mm centers and a 2,041 kg (4,500 lb) load capacity. At approximately 10,886 kg (24,000 lb), the VF-6/50 is significantly heavier than the 40-taper VF-6 at 8,618 kg, providing better vibration damping for heavy cuts. The 40+1 SMTC handles tools up to 406 mm (16 in) from gage line with 13.6 kg (30 lb) max tool weight, accommodating the larger tooling that 50-taper work demands.
Rapid traverse runs at 15.2 m/min (600 ipm) on all axes, matching the standard VF-6. Base price starts around $160,000-$170,000 for the /50 upgrade, making it significantly more affordable than comparable large-frame 50-taper machines from Okuma, Mazak, or DMG Mori. For shops running heavy steel and cast iron work on large parts, the VF-6/50 is the most cost-effective way to get 50-taper capability with 64 inches of X-travel. Specs derived from Haas Automation published data for the VF-6 and 50-taper platform.
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) |
| Spindle Nose To Table Max | 864 mm (34 in) |
| Spindle Nose To Table Min | 102 mm (4 in) |
| Max Spindle Speed | 7,500 RPM |
| Spindle Taper | CAT 50 / BT50 |
| Spindle Motor Power | 30.0 hp |
| Spindle Torque Max | 488 Nm (360 ft-lbf) |
| Spindle Drive | Geared Head |
| Spindle Cooling | Liquid Cooled |
| Tool Capacity | 40+1 SMTC |
| Tool To Tool | 4.20 s |
| Chip To Chip | 6.30 s |
| Max Tool Diameter | 4.0 in |
| Max Tool Length | 16.00 in |
| Max Tool Weight | 30.0 lb |
| Table Size | 1,829 x 660 mm (72 x 26 in) |
| Max Table Load | 2,041 kg (4,500 lb) |
| T Slots | 5 slots, 125 mm (4.92 in) center distance |
| Max Cutting Feedrate | 12.7 m/min (500 ipm) |
| Rapid Traverse X | 15.2 m/min (600 ipm) |
| Rapid Traverse Y | 15.2 m/min (600 ipm) |
| Rapid Traverse Z | 15.2 m/min (600 ipm) |
| Max Thrust X | 3400 lbf |
| Max Thrust Y | 4100 lbf |
| Max Thrust Z | 5600 lbf |
| Machine Weight | 25500 lb |
| CNC Control | Haas Next Generation Control (NGC) |
| Coolant Capacity | 95 gal |
| Air Requirement | 113 L/min @ 6.9 bar (4 scfm @ 100 psi) |
| Electrical | 220 VAC 3-phase, 100 A (optional 440 VAC, 50 A) |
| Travels | S.A.E |
| X Axis | 64.00 in |
| Y Axis | 32.00 in |
| Z Axis | 30.00 in |
| Spindle Nose To Table | 5.0 in |
| Spindle | S.A.E |
| Max Rating | 30.0 hp |
| Max Speed | 7500 rpm |
| Max Torque | 340.0 ft-lbf @ 700 rpm |
| Drive System | 2-Speed Gearbox |
| Taper | CT or BT 50 |
| Bearing Lubrication | Air / Oil Injection |
| Cooling | Liquid Cooled |
| Table | S.A.E |
| Length | 64.0 in |
| Width | 28.0 in |
| T Slot Width | 0.626 in to 0.630 in |
| T Slot Center Distance | 4.92 in |
| Number Of Std T Slots | 5 |
| Max Weight On Table | 4000 lb |
| Feedrates | S.A.E |
| Max Cutting | 500 ipm |
| Rapids On X | 600 ipm |
| Rapids On Y | 600 ipm |
| Rapids On Z | 600 ipm |
| Axis Motors | S.A.E |
| Tool Changer | S.A.E |
| Type | SMTC |
| Capacity | 30+1 |
| Max Tool Diameter Large | 10.0 in |
| General | S.A.E |
| Air Requirements | S.A.E |
| Air Required | 4 scfm @ 100 psi |
| 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 | 195.0 in x 102.0 in x 131.5 in |
| Export Crate | 195.0 in x 105.5 in x 133.5 in |
| Domestic Pallet W Ec Option | 195 in x 102 in x 139 in |
| Export Crate W Ec Option | 195 in x 106 in x 142 in |
| Weight W Ec Option | 25800 lb |
| Haas Rotary | HAAS MACHINE |
| Ha2ts | VF-6/50 |
| Ha5c | VF-6/50 |
| Ha5c T | VF-6/50 |
| Ha5c2 | VF-6/50 |
| Ha5c2 T | VF-6/50 |
| Ha5c3 | VF-6/50 |
| Ha5c3 T | VF-6/50 |
| Ha5c4 | VF-6/50 |
| Ha5c4 T | VF-6/50 |
| Ha5cs | VF-6/50 |
| Hqda5 | VF-6/50 |
| Hrc160 | VF-6/50 |
| Hrc210 | VF-6/50 |
| Hrt160 | VF-6/50 |
| Hrt160 2 | VF-6/50 |
| Hrt160sp | VF-6/50 |
| Hrt160ss | VF-6/50 |
| Hrt200hs | VF-6/50 |
| Hrt210 | VF-6/50 |
| Hrt210 2 | VF-6/50 |
| Hrt210ht | VF-6/50 |
| Hrt210m | VF-6/50 |
| Hrt210sp | VF-6/50 |
| Hrt210ss | VF-6/50 |
| Hrt210vm | VF-6/50 |
| Hrt310 | VF-6/50 |
| Hrt310sp | VF-6/50 |
| Hrt310ss | VF-6/50 |
| Hrt450 | VF-6/50 |
| Hrta5 | VF-6/50 |
| Hrta6 | VF-6/50 |
| Lt260 | VF-6/50 |
| Lt350 | VF-6/50 |
| T5c | VF-6/50 |
| T5c2 | VF-6/50 |
| T5c3 | VF-6/50 |
| T5c4 | VF-6/50 |
| Th240 | VF-6/50 |
| Th450 | VF-6/50 |
| Tr160 | VF-6/50 |
| Tr160 2 | VF-6/50 |
| Tr200y | VF-6/50 |
| Tr210 | VF-6/50 |
| Tr310 | VF-6/50 |
| Tr500ss | VF-6/50 |
| Trt100 | VF-6/50 |
| Trt160 | VF-6/50 |
| Trt210 | VF-6/50 |
| Trt310 | VF-6/50 |
| Trt70 | VF-6/50 |
| Total Price | US$179,095.50 |
| Monthly Payment12 Months24 Months36 Months48 Months60 Months | US$3,420/mo |
Specifications sourced from haascnc.com — verified 2026-03-28
Strengths & Limitations
Strengths
- 40 HP CAT 50 geared-head spindle provides the torque and rigidity for aggressive steel and cast iron roughing with large tools
- 1,626 mm (64 in) X-travel handles large parts that need both reach and heavy cutting capability
- 10,886 kg (24,000 lb) machine mass is significantly heavier than the 40-taper VF-6, improving cut stability
- 40+1 SMTC handles 30 lb tools up to 16 inches long, accommodating large boring bars and face mills
- 4,500 lb table load capacity supports heavy fixtures, rotary tables, and tombstone setups
- Substantially lower cost than comparable 50-taper large-frame VMCs from Japanese and European builders
Limitations
- 7,500 RPM spindle limits high-speed aluminum finishing; the VF-6SS is better for aluminum-dominant work
- 24,000 lb machine weight requires solid floor preparation and heavy rigging for installation
- Geared-head spindle is louder and has more mechanical complexity than the direct-drive units on 40-taper models
- 50-taper tooling is more expensive than 40-taper and limits tooling sharing with smaller Haas VMCs
Best For
Frequently Asked Questions
01
Base price starts around $160,000-$170,000. With through-spindle coolant, probing, gearbox, chip conveyor, and common options, expect $195,000-$220,000.
02
The VF-6/50 upgrades from a 30 HP, 8,100 RPM 40-taper direct-drive spindle to a 40 HP, 7,500 RPM 50-taper geared head. It adds about 5,400 lb of machine weight for better rigidity and upgrades to a 40+1 SMTC with larger tool capacity. Choose the /50 for steel; the standard VF-6 for aluminum.
03
They serve opposite purposes. The VF-6SS (12,000 RPM, 40-taper) is optimized for high-speed aluminum work. The VF-6/50 (7,500 RPM, 50-taper) is optimized for heavy steel and cast iron roughing. If your shop runs 70%+ aluminum, choose the SS. If steel and cast iron dominate, choose the /50.
04
Yes. The two-speed gearbox dramatically increases low-end torque, making it essential for face milling with large cutters on steel and cast iron. It is one of the highest-value options on any 50-taper Haas machine.
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