Hardinge GS-150

$75,000 - $125,000 Updated 2026-03-19

Key Specifications

Chuck Size

6 in (152 mm)

Maximum Bar Capacity

42 mm (1.65 in)

Maximum Turning Diameter

250 mm (9.84 in)

Maximum Turning Length

350 mm (13.78 in)

Spindle Speed (Max)

5,000 RPM

Spindle Power

11 kW (15 hp)

Overview

The Hardinge GS-150 is a compact CNC turning center from Hardinge's GS series, designed as a general-purpose production lathe for shops that need Hardinge precision without the premium price of the Quest super-precision line. The GS designation stands for General Series, indicating a machine optimized for everyday production turning rather than the extreme-tolerance work associated with the Quest and CHNC platforms. The 150 model number corresponds to the spindle bore of approximately 42 mm, accommodating bar stock up to 42 mm diameter.

The main spindle delivers 11 kW (15 hp) at speeds up to 5,000 RPM, with a collet-ready A2-5 spindle nose that accepts both Hardinge 5C/16C collets and 6-inch hydraulic chucks. While the GS-150 does not achieve the sub-3-micron TIR of the Quest series, it delivers concentricity of approximately 5 microns TIR at the collet face, which exceeds the specifications of most non-Hardinge competitors in this price class. The spindle bears the Hardinge heritage of precision bearings and thermal management.

The machine is built on a slant-bed cast iron platform with precision linear guideways for fast, accurate axis movement. X-axis travel of 180 mm and Z-axis travel of 350 mm define a compact turning envelope suited to small-to-medium parts. The 12-station turret accepts standard VDI tooling with optional live tooling for cross-drilling and milling operations. Rapid traverse rates of 24 m/min in X and 30 m/min in Z are faster than the box-way Quest models.

The GS-150 runs on Fanuc 0i-TF control and targets the broadest market segment in Hardinge's lineup: general job shops, contract manufacturers, and production shops that need reliable, precise turning at a competitive price point. It competes with the Haas ST-10Y, Mazak Quick Turn 100, and DN Solutions Lynx 2100 in the compact production turning center market.

Full Specifications

Parameter	Value
Chuck Size	6 in (152 mm)
Maximum Bar Capacity	42 mm (1.65 in)
Maximum Turning Diameter	250 mm (9.84 in)
Maximum Turning Length	350 mm (13.78 in)
Spindle Speed (Max)	5,000 RPM
Spindle Power	11 kW (15 hp)
Spindle Torque (Max)	140 Nm (103 ft-lb)
Spindle Nose	A2-5
Spindle Bore	42 mm (1.65 in)
Travel X	180 mm (7.09 in)
Travel Z	350 mm (13.78 in)
Turret Stations	12 (VDI)
Live Tooling	Optional
Guideway Type	Precision linear guideways
Rapid Traverse X	24 m/min (945 ipm)
Rapid Traverse Z	30 m/min (1,181 ipm)
Control	Fanuc 0i-TF
Machine Weight	2,800 kg (6,173 lb)

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

Strengths & Limitations

Strengths

Hardinge precision heritage delivers 5-micron TIR concentricity that exceeds most competitors in the compact turning center class
Linear guideways provide faster rapid traverse than box-way models, reducing non-cutting time in production applications
Collet-ready spindle accepts both Hardinge collets and hydraulic chucks for maximum workholding versatility
12-station turret with optional live tooling provides comprehensive capability for complex parts in a compact footprint
Competitive $75K-$125K pricing makes Hardinge precision accessible to smaller shops and tighter budgets
Fanuc 0i-TF control is industry-standard with broad CAM compatibility and proven reliability

Limitations

5-micron TIR concentricity is good but does not match the sub-3-micron precision of the Quest and CHNC series
Linear guideway construction provides less vibration damping than box ways, which may affect surface finish on interrupted cuts
42 mm bar capacity limits the machine to small-diameter work; larger parts require the GS-200 or bigger platform
Hardinge corporate restructuring may affect service response and spare parts availability

Best For

Job shops needing a versatile, precise small CNC lathe for diverse short-run and medium-batch production work Contract manufacturers producing small precision parts in steel, stainless, aluminum, and brass for multiple industries Shops adding their first Hardinge machine at an accessible price point while maintaining premium precision standards Medical and dental component producers where 5-micron concentricity meets specification without requiring Quest-level precision Production shops running bar-fed small parts where fast rapids and reliable Fanuc control maximize daily output

Frequently Asked Questions

01 How does the GS-150 compare to the Quest 6/42?

The Quest 6/42 is a super-precision machine with box ways and tighter spindle specifications (2.5-micron TIR vs 5-micron on the GS-150). The GS-150 offers faster rapids due to linear guideways and a lower price point. Choose the Quest when sub-5-micron precision is mandatory; choose the GS-150 when 5-micron precision suffices and cycle time or budget are priorities.

02 Can the GS-150 use Hardinge collets?

Yes, the GS-150 features Hardinge's collet-ready spindle nose accepting 5C and 16C collets directly. This provides better concentricity than chuck-only machines, making the GS-150 a good choice for precision bar work within its 42 mm capacity.

03 What is the GS-150's advantage over the Haas ST-10?

The GS-150 delivers superior spindle concentricity and collet-ready capability that the Haas ST-10 does not offer. The Haas counters with a lower price point and larger dealer network. For shops where precision and collet workholding are critical, the GS-150 justifies its premium.

04 Is the GS-150 suitable for bar-fed production?

Yes, the 42 mm bar capacity and Fanuc control with bar feeder interface make the GS-150 well suited for automated bar production. Standard bar feeders from LNS, Iemca, and Edge Technologies are compatible. The fast linear-guideway rapids help minimize non-cutting time in bar-fed cycles.