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The JET GH-1660ZX is built for shops that need extended turning length without sacrificing spindle capacity or horsepower. With 60 inches between centers, a 3.15" spindle bore, and a 10HP 3-phase motor, this large spindle bore gear head lathe delivers the reach and torque required for longer shafts, rollers, hydraulic components, and heavy cylindrical parts.
The added bed length compared to 40" models expands job capability, allowing fabrication, MRO, and industrial repair shops to machine longer workpieces in a single setup reducing repositioning time and improving accuracy across the entire part.
A D1-8 spindle nose supports heavy-duty workholding, while 12 spindle speeds (261500 RPM) provide the control needed for precision threading, deep boring, aggressive roughing, and finish turning.
The GH-1660ZX features a rigid one-piece cast iron base designed to dampen vibration and maintain alignment during heavy cuts. Larger stock can pass directly through the headstock, reducing cutoffs and secondary operations.
- Stock Number: JT1-2713
- Model Number: GH-1660ZX
- Carriage Travel: 35 in.
- Centerline of Spindle to Floor: 8.1 in.
- Compound Slide Travel: 5.9 in.
- Cross Slide Travel: 9.8 in.
- Diametrial Pitch Threads Number: 21
- Distance Between Centers: 60 in.
- Drive Type: Geared Head
- Length of Gap: 7.5 in.
- Maximum Tool Size: 5/8 x 5/8 in.
- Modular Pitch Threads Number: 18
- Modular Pitch Threads Range: 0.3-3.5
- Net Weight: 4,189 Lbs.
- Number of Inch Threads: 45
- Number of Longitudal And Cross Feed Rates: 40/40
- Number of Metric Threads: 39
- Number of Spindle Speeds: 12
- Range Of Cross Feeds: 0.00075 - 0.02 in.
- Range Of Inch Threads Tpi.: 2 - 72 TPI
- Range Of Longitudal Feeds in/rev: 0.0015 - 0.04 in.
- Range Of Spindle Speeds: 26 - 1500 RPM
- Range of Metric Threads: 0.2 - 14 mm
- SAP Gross Weight: 4,740 Lbs.
- Size: 16 x 60 in.
- Spindle Bore: 3-1/8 in.
- Spindle Mount: D1-8
- Spindle Taper: MT7
- Spindle Taper with Sleeve: MT5
- Style Type: Engine - Large Spindle Bore
- Swing Over Bed: 16 in.
- Swing Over Cross Slide: 10.3 in.
- Swing Through Gap: 23 in.
- Tailstock Spindle Travel: 5 in.
- Taper in Tailstock Spindle: MT4
- Width Of Bed: 12.5 in.
- Motor HP: 10 HP
- Motor Phase: Three Phase
- Motor Voltage: 230 V
JET Tools warrants every product it sells. If one of our tools needs service or repair, one of our Authorized Service Centers located throughout the United States can give you quick service. In most cases, any of these JPW Industries Authorized Service Centers can authorize warranty repair, assist you in obtaining parts, or perform routine maintenance and major repair on your JET or Wilton tools.
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Features
- Extended 60" Between Centers Ideal for longer shafts, rollers, and cylindrical components” machine longer parts in one setup to improve alignment and reduce rework
- 10HP Industrial Power Delivers torque for aggressive roughing passes and heavy material removal while maintaining consistent cutting performance
- 3.15" Large Spindle Bore Allows larger diameter material to pass through the headstock, minimizing cutoffs and improving workflow efficiency
- Rigid One-Piece Cast Iron Base Reduces vibration under load, supporting repeatable accuracy and improved surface finish during demanding applications
- Built-In Certified Safety UL 987 Certified with standard electronic chuck key holder, foot brake, chuck guard, and lead screw cover for reinforced operator protection
- Pre-Shipment Verified Performance JET’s 30-Point Inspection ensures controls, spindle accuracy, safety systems, and gear engagement are validated before delivery
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