SHEN JEY SJ-1740G LATHE

• Model SJ-1540G
• Shen Jey SJ-1540G Lathe
• S/N: 570345
• 8"Swing
• Steady Rest 36"
• Bed Includes: Cooling Pump and Tank 1 ea. 
• 4-Jaw Chuck; 3 ea. 
• 3-Jaw Chucks. 
• Approx. Dimensions: 80" x 24" x46"
• Condition: Good
• Equipped with: 3 Jaw Chuck 
• 4 Jaw Chuck
• 4 Way Tool Holder
• Single Tool Holder
• Swing Over Bed: 15 inches
• Swing Over Cross Slide: approx. 8–8¾ inches
• Swing Over Gap: ~22–23 inches
• Distance Between Centers: 40 inches
• Spindle Bore: 2½ inches (2.5″) or approx. 1.575″ in some units
• Motor: 5 HP, 3-phase
• Spindle Speeds: 40–2000 RPM
• Threading Capability: Inch/metric threading via gearbox (40 – 56 TPI, 0.5–7 mm pitch)
• Chuck Size: 8″ or 10″ 3-jaw standard, often with tailstock chuck and steady rest
• DRO (Digital Readout): Frequently found with 2-axis DRO systems, e.g., ACU‑RITE
• Gearbox: Standard geared head, with clutch-equipped carriage
• Build: Rigid gap-bed construction, one-piece casting with wide (12″) base
• Threading: Inch & metric via gearbox
• Accessories 8–10″ chuck, tailstock, steady rest
• DRO 2-axis (e.g., ACU‑RITE)
• Bed Type: Gapped, rigid one-piece casting

The Shen Jey SJ-1540G is a precision manual engine lathe designed for turning, facing, threading, and boring operations on cylindrical parts. Manufactured by Shen Jey Machinery Co., Ltd., this model is known for its solid construction, smooth operation, and versatility in both production and toolroom environments.

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 What It Does

The SJ-1540G is used to:

• Turn and shape round parts (shafts, rods, bushings, etc.)
• Cut internal and external threads
• Face the ends of cylindrical parts
• Bore holes through parts using the tailstock or boring bars
• Form tapers, grooves, and chamfers

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Key Specifications

• Specification: Detail
• Swing Over Bed: 15″
• Swing Over Cross Slide: ~9″ (approx., varies slightly)
• Distance Between Centers: 40″
• Spindle Bore: 1.5″ to 2.0″ (varies by model year)
• Spindle Nose: D1-4 Camlock
• Spindle Speeds: 12 – 16 speeds (range: ~70–2,000 RPM)
• Thread Cutting: Inch & metric threading capabilities
• Cross Slide Travel: ~8″ – 9″
• Tailstock Quill Travel: ~4″
• Motor Power: 2 – 3 HP (usually 220V or 440V, 3-phase)
• Machine Weight: ~1,800 – 2,200 lbs

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 Key Features & Capabilities

• Hardened and ground bedways for durability and precision
• Removable gap bed allows larger diameter parts near the chuck
• D1-4 spindle nose for quick chuck changes
• Threading gearbox for inch and metric thread cutting
• Power cross feed and longitudinal feed
• Tailstock with adjustable offset for taper turning
• High-precision bearings for smooth spindle rotation
• Oil-bath lubrication for gears and ways

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Typical Applications

• Machining shafts, pins, bushings, and sleeves

• Cutting threads for fasteners or pipe fittings

• Repairing worn-out parts or components

• Prototyping cylindrical parts

• General-purpose turning in maintenance shops or R&D labs

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Used In Industries Like

• Job shops and machine shops

• Maintenance departments

• Automotive and motorsports

• Educational and training programs

• Oil & gas and light manufacturing

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Summary Description

The Shen Jey SJ-1540G is a versatile 15″ x 40″ precision engine lathe designed for manual turning, threading, and boring operations. With a gap-bed design, hardened bedways, and reliable spindle drive, it's ideal for both production and repair applications involving cylindrical metal parts. A great fit for job shops, educational programs, or any shop needing a solid, capable lathe.