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26″, 30″, and 33″ Big Hole Engine Metal Lathes

6.1″ or 9.1″ Spindle Bore, Center Distances: 80″, 120″, 160″ & 200″

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Summit® 26-6″, 30-6″ & 33-6″ Big Hole Engine Lathes raise the industry bar for machines in this size class. They are ISO compliant, offer an impressive list of standard features and accessories, and include a variety of built-in safety features. Summit 26-6″, 30-6″ & 33-6″ Big Hole Lathes are affordable, rugged, reliable and easy to operate, and are known for consistent performance and durability even under the most demanding work conditions. Available in 80″ thru 200″ center distances, the engineering excellence, fine workmanship, materials and impressive specifications of the Summit “Big Hole” engine lathes assure you of greater production and easy, trouble-free operation for years to come.

  • Electric spindle brake for precise control
  • Cast iron construction provides a solid foundation for vibration absorption & rigidity
  • Hardened & precision ground bedways for long-lasting accuraty
  • Quick change gearbox will cut American (inch), metric and module pitch threads
  • Rapid traverse on carriage (4 way)
  • 2 Speed tailstock for faster setups
  • Huge 6″ & 9″ spindle bores for maximum workpiece flexibility
Included Accessories
  • Thread dial
  • Steady rest
  • Follow rest
  • Coolant system
  • Taper attachment
  • Work light
  • 9″ bore – front and rear 4-jaw chucks
  • 6″ bore – 3 & 4 jaw chucks
Specifications: 26″, 30″ & 33″ Swing Series
Capacities
Swing over bed 26″ 30″ 33″
Swing over cross slide 18″ 22″ 24.75″
Swing over gap 35″ 39″ 41.75″
Headstock
Hole thru spindle – available sizes 6.1″ 9.1″
Spindle speeds (12) 13 – 800 RPM 11 – 700 RPM
Spindle nose A2-11 A2-15
Threads
Threads per inch – number/range (36) 2 – 28
Metric threads – number/range (65) .8 – 14
Tailstock
Travel of spindle barrel 9″
Diameter of spindle barrel 3.75″
Tailstock center #5 MT
Bed
Width of bed 18″
Motor
Main drive motor 20 HP
Miscellaneous
Shipping weight (approximate) (120″cc) 9,600 lbs.
Summit Machine Tool
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Summit Machine Tool
518 N Indiana Ave
Oklahoma City, OK 73106

Toll Free: (800) 654-3262
Local: (405) 235-2075
Fax: (405) 232-5169
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