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40" Capacity • Geared Headstock • 3-Phase
JET 16" x 40" Geared Head Toolroom Lathe
The JET 16" x 40" Geared Head Toolroom Lathe (JT9-321445) is engineered to deliver heavy-duty performance and structural rigidity in a space-efficient footprint. Running on industrial 230/460V 3-Phase power, this machine utilizes a robust geared headstock to provide 12 slip-free spindle speeds ranging from 25 to 1,800 RPM. With a 16-inch swing, a 40-inch center capacity, and an oversized 3-1/8" spindle bore, this lathe offers the extreme torque, dampening, and threading versatility required for precise, professional-grade fabrication and heavy material removal.
JET 16x40 Lathe Applications
Precision turning, facing, and boring of hardened and mild steel components
Complex multi-pass threading operations (Supports 61 Inch and 24 Metric threads)
Turning oversized diameter workpieces using the 25-7/8" removable gap section
Continuous-duty batch production in toolrooms and heavy maintenance departments
Ideal for professional fabricators and machinists who require the robust, consistent torque of a 3-phase geared-head lathe but need a more compact 40-inch center configuration.
Technical Specifications
Stock Number
JT9-321445
Machine Type
Toolroom Lathe
Electrical Configuration
230V / 460V, Three-Phase (3Ph)
Swing Capacities
16" Over Bed • 10" Over Cross Slide • 25-7/8" Over Gap
Distance Between Centers
40"
Spindle Bore / Nose
3-1/8" Bore / D1-8 Mount (7MT Spindle Taper)
Speed Range
12 Speeds: 25 – 1,800 RPM (Geared Head)
Threading Range
61 Inch Threads (1-5/8 to 72 TPI) / 24 Metric Threads
Travels
Cross Slide: 9" • Tailstock: 5" (4MT Taper)
Bed Width
13-3/8"
Overall Dimensions (L x H)
96" x 66"
Performance & Engineering Controls
Geared Headstock Design: Delivers positive gear-driven power transfer, essential for maintaining constant RPM under heavy, low-speed cutting loads.
Oversized 3-1/8" Spindle Bore: Provides generous clearance allowing large-diameter shafts and specialized tooling setups to pass directly through the headstock.
Versatile Swing Over Gap: The removable 12.25-inch gap section provides an impressive 25-7/8 inch swing capacity for turning larger diameter flanges and plates.
D1-8 Spindle Mount: Ensures quick, highly accurate chuck changes and secure workpiece holding during aggressive metal removal.
Why Choose This JET Lathe Package
Engineered for high-torque industrial applications that standard belt-driven lathes cannot sustain.
Comprehensive thread-cutting gearbox handles a massive range of global industry standards without extensive gear swapping.
Compact 96-inch overall length saves critical shop floor space while retaining full heavy-duty turning capabilities.
Backed by the reliable JET Red Assurance 2-Year Warranty for complete professional peace of mind.
The JET 321445 delivers unyielding gear-head power and technical precision, making it a foundational turning center for any serious industrial fabrication shop.
Key Information
Order Cutoff Time: 2:00 PM EST
Order Handling Time: 1–3 business days (Monday–Friday)
Transit Time: 1–7 business days (Monday–Friday)
Total Estimated Delivery Time: 3–11 business days (Monday–Friday)
Shipping Availability: Free Shipping On Most Items In The Contiguous United States only