EISEN 1740G Precision Engine Lathe with 3" Spindle Bore, 10HP

Eisen Machinery

$ 19,945.00

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NEW: MOTOR UPGRADE 10HP instead of 7.5HP

EISEN 1740G Precision Engine Lathe with 3 Inch Spindle Bore



  • Larger spindle through hole allows larger diameter parts than the competition.
  • Precision NSK and SKF bearings installed on spindle to ensure accuracy and rigidity for heavy cutting.
  • Maximum cutting depth can be 8mm and roundness reaching 3 micron (200mm long).


  • Heat treated and precision ground alloy gears.
  • Wear-resistant phosphor bronze lead screw nuts.

Safety gears

  • Equipped with plastic rear gears, so that shafts and gears inside headstock are well protected if crash should occur (optional).

Cone clutch

  • Cone clutch overload device in apron to ensure safety when operating.

Extra large tailstock clamp

  • Increased rigidity through greater clamping surface.

Two-speed tailstock

  • Choose between fast movement or fine control with the optional two-speed tailstock.


  • Bedways of cross slide and bed are automatically lubricated with a lubrication pump that lubricates as the carriage moves.
  • Oil bath lubrication for cross feedscrew & nuts provide extra degree of protection and prolong service life.

Meehanite casting

  • Heat treated Meehanite casting bed. Hardness of bed reaching HS70 (approx. HRC 53)
  • One-piece base combines high rigidity and good vibration dampening characteristic.


  • Universal gearbox for both inch and metric threading — conversion table is also included.
  • High-capacity coolant system offers ample coolant output.

1740G Specifications

Attribute Data
Swing over Bed 16.9” (430 mm)
Swing over Cross Slide 9.45” (240 mm)
Center Distance 40"
Swing over Gap 25.59” (650 mm)
Bed Width 11.81” (300 mm)
Spindle Nose D1-8
Spindle Bore 3 1/16” (78 mm)
Taper of Spindle Bore MT 7
Spindle Speed 40~2000 (12 steps)
Inch Thread Range 4 ~ 56 TPI
Metric & Module Thread Range (17) 0.5 ~ 7 mm
D.P. Thread Range (36) 4 ~ 56 mm
Longitudinal Feeds Range 0.0020 ~ 0.0323 ipr (0.05 ~ 0.82 mm/rev)
Cross Feeds Range 0.0008 ~ 0.011 ipr (0.02 ~ 0.28 mm/rev)
Leadscrew Diameter 1.38” (35 mm)
Leadscrew Pitch 4 TPI
Taper of Tailstock Center MT 4
Tailstock Quill Travel 6” (152 mm)
Tailstock Quill Diameter 2.28” (58 mm)
Main Drive Motor 10 HP
Coolant Pump 1/8 HP
Compound Rest Travel 5” (127 mm)
Cross Slide Travel 9.84" (250 mm)
Machine Length 85” (2160 mm)
Machine Width 32” (810 mm)
Machine Height 47” (1190 mm)
Packing Length 90” (2280mm)
Packing Width 37” (950 mm)
Packing Height 64” (1620 mm)
Net Weight 3880 lbs (1760 kg)
Gross Weight 4101 lbs (1860 kg)

Standard Accessories

  • 3-Jaw scroll chuck
  • 4-Jaw independent chuck
  • Back plate (only if chuck is plainback)
  • Steady rest
  • Follow rest
  • Centers
  • Coolant system
  • 4-way tool post
  • 2-speed tailstock
  • Safety pin mechanism for headstock gear protection
  • Auto lubrication for carriage
  • Longitudinal carriage stops
  • Work light
  • Rear splash guard
  • Tools and tool box

Optional Accessories

  • 4-position carriage stop
  • Micro carriage stop
  • Live centers
  • Rear cutter rest
  • Taper turning attachment
  • Change gears for D.P. and module threads
  • Change gears for 2 TPI and 3 TPI threads
  • 5C lever collet closer
  • Driving plate
  • Aloris-style quick change tool post
  • Digital Readout (DRO)
  • Hydraulic copying attachment
  • Chip guard

Freight Shipping

For freight shipping quotes, please let us know 1) your destination zip code and 2) whether you have a forklift to unload machine tools. 


If you have any questions please let us know we’ll be happy to help.

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