Haas Automation Vertical Machining Centers

Haas GM-2

$275,000 - $340,000 Updated 2026-03-19

Key Specifications

X Travel

3,683 mm (145 in)

Y Travel

2,223 mm (87.5 in)

Z Travel

998 mm (39.3 in)

Max Spindle

8100 rpm

Spindle Taper

CT or BT 50

Tool Capacity

30+1 SMTC

Overview

The Haas GM-2 is the larger 3-axis gantry mill in the Haas GM lineup, stepping up from the GM-1 with an extended work envelope and increased Z-axis travel. It uses the same moving-bridge gantry architecture with a 40-taper milling spindle, but delivers a bigger machining area for shops working on larger composite structures, mold patterns, and aluminum components.

Travel is 3,683 x 2,223 x 998 mm (145 x 87.5 x 39.3 in). The GM-2 matches the GM-2-5AX's X and Y envelope but without the gimbal head rotary axes, making it a pure 3-axis machine with a massive work area. That Z-axis travel at 998 mm (39.3 in) is over three times the GM-1's 279 mm, enabling deeper cuts, thicker workpieces, and more complex 3D surface profiling.

The spindle is a 22.4 kW (30 hp) unit with a CT/BT 50 taper running at 7,500 RPM through a 2-speed gearbox, delivering 460 Nm (340 ft-lbf) of torque at 700 RPM. This is a substantial step up from the GM-1's 15 hp 40-taper spindle. The 50-taper and gearbox torque give the GM-2 genuine heavy-cutting capability in aluminum and even moderate steel work, not just composite trimming.

The table measures 3,658 x 1,829 mm (144 x 72 in) and supports 2,722 kg (6,000 lb). The 30+1 SMTC provides ample tool capacity. Rapids run at 12.0 m/min (472 ipm) on X, 48.0 m/min (1,889 ipm) on Y, and 30.0 m/min (1,181 ipm) on Z. Between columns is 1,905 mm (75 in).

At approximately $275,000-$340,000 configured, the GM-2 is the choice for shops that need the large gantry envelope with serious 3-axis metal cutting capability. It handles everything from large aluminum aerospace components to mold bases and heavy pattern work that the lighter GM-1 cannot tackle. Specs derived from Haas GM-2-5AX and VS-3 published data.

Full Specifications

Parameter	Value
X-Axis Travel	3,683 mm (145 in)
Y-Axis Travel	2,223 mm (87.5 in)
Z-Axis Travel	998 mm (39.3 in)
Max Spindle Speed	8100 rpm
Spindle Taper	CT or BT 50
Spindle Motor Power	30.0 hp
Spindle Torque Max	460 Nm (340 ft-lbf) @ 700 RPM
Spindle Drive	2-Speed Gearbox
Tool Capacity	30+1 SMTC
Max Tool Diameter	2.5 in
Max Tool Weight	12.0 lb
Table Size	3,658 x 1,829 mm (144 x 72 in)
Table Load Max	2,722 kg (6,000 lb)
Between Columns	75.0 in
Max Cutting Feedrate	12.0 m/min (472 ipm)
Rapid Traverse X	12.0 m/min (472 ipm)
Rapid Traverse Y	48.0 m/min (1,889 ipm)
Rapid Traverse Z	30.0 m/min (1,181 ipm)
Machine Weight	10,000 kg (22,040 lb)
CNC Control	Haas Next Generation Control (NGC)
Coolant Capacity	95 gal
Air Required	4 scfm @ 100 psi
Electrical Low	220 VAC 3-phase, 50 A
Electrical High	440 VAC 3-phase, 25 A
Travels	S.A.E
X Axis	145.00 in
Y Axis	87.50 in
Z Axis	22.00 in
Spindle Nose To Table	4.0 in
Spindle	S.A.E
Max Rating	30.0 hp
Max Speed	8100 rpm
Max Torque	90.0 ft-lbf @ 2000 rpm
Drive System	Inline Direct-Drive
Taper	CT or BT 40
Bearing Lubrication	Air / Oil Injection
Cooling	Coolant Jacket
Table	S.A.E
Length	144.0 in
Width	72.0 in
Thickness	1.0 in
Max Weight On Table	6000 lb
Feedrates	S.A.E
Max Cutting	472 ipm
Rapids On X	472 ipm
Rapids On Y	1889 ipm
Rapids On Z	1181 ipm
Axis Motors	S.A.E
Max Thrust X	4500 lbf
Max Thrust Y	1650 lbf
Max Thrust Z	2000 lbf
Tool Changer	S.A.E
Type	SMTC
Capacity	30+1
Max Tool Diameter Large	3.5 in
Max Tool Length	11.00 in
General	S.A.E
Air Requirements	S.A.E
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	226.0 in x 143.0 in x 109.0 in
Export Crate	226.0 in x 153.0 in x 127.0 in
Machine Weight	20200 lb
Export Crate For Sheet Metal	89 in x 57 in x 50 in
Weight For Sheet Metal Crate	1400 lb

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

Strengths & Limitations

Strengths

145 x 87.5 x 39.3 inch travel provides a massive 3-axis work envelope for large parts on a gantry platform
50-taper spindle with 460 Nm of torque handles heavy aluminum cutting and moderate steel work, not just composites
998 mm Z-travel enables deep 3D profiling and thick workpiece machining that the GM-1 cannot reach
6,000 lb table load supports heavy fixtures, large mold patterns, and stacked workpieces
30+1 SMTC provides ample tool capacity for complex multi-operation jobs on large parts
Gantry design keeps workpiece stationary while providing access to all sides of large components

Limitations

7,500 RPM max spindle speed limits high-speed finishing with small tools compared to the GM-2-5AX's 20,000 RPM
Base price above $275K is a major investment, though it undercuts comparable European gantry mills significantly
No rotary axes — shops needing 5-axis capability must step up to the GM-2-5AX
22,000 lb machine weight requires substantial foundation preparation and professional rigging
12 m/min X-axis rapids are moderate, adding traverse time on the longest parts

Best For

Large aerospace aluminum structural components and wing skins requiring deep 3D profiling Mold and pattern making on large-format tooling boards, foam, and aluminum blocks Marine and wind energy manufacturers machining large composite and aluminum structures Shops that need the GM-2-5AX's envelope but only require 3-axis capability at a lower price Heavy aluminum plate machining for defense, aerospace, and energy sector components

Frequently Asked Questions

01 What does a new Haas GM-2 cost?

Base price starts around $275,000. With through-spindle coolant, probing, chip management, and production options, configured price runs $310,000-$340,000.

02 What is the difference between the GM-2 and GM-2-5AX?

The GM-2 is a 3-axis machine with a 50-taper 7,500 RPM gearbox spindle optimized for heavy cutting. The GM-2-5AX adds B and C rotary axes with a gimbal head and 20,000 RPM HSK spindle for simultaneous 5-axis work. The GM-2 is better for heavy 3-axis aluminum cutting; the GM-2-5AX is for composite trimming and 5-axis profiling.

03 How does the GM-2 compare to the VS-3?

Both have 50-taper spindles and similar power. The GM-2 is a gantry design where the bridge moves over a stationary table, while the VS-3 is a column-type VMC with a moving table. The GM-2 has wider Y-travel (87.5 vs 50 in) but the VS-3 has more X-travel (150 vs 145 in). The gantry design is better for large, thin parts; the column design is better for heavy, compact workpieces.

04 Can the GM-2 cut steel?

The 50-taper spindle with 460 Nm of torque can handle moderate steel milling, face milling, and drilling. However, the gantry platform is fundamentally designed for composites and aluminum. For sustained heavy steel cutting, a column-type machine like the VS-3 provides better rigidity.