Summit Machine Tool
20″, 24″, 28″ Metal Lathes
4″ Spindle Bore, Center Distances: 40″, 60″, 80″, 120″, 160″ & 200″
Description
Summit®20″, 24″ and 28″ Engine Lathes turn rings around other lathes in this class. They are affordable, rugged, reliable and easy to operate. They are ISO compliant, include a vast array of features and accessories as “standard” and offer a variety of built-in safety features. Due to the solid construction from 100% cast iron, Summit 20″, 24″ and 28″ Engine Lathes are built for long-term use and are known for consistent performance and durability even under the most demanding work conditions. Standard on every lathe is a quick-change gearbox for cutting metric, module and diametrical pitch threads, as well as standard American (inch) threads.
View our full catalog of metal lathes.
Standard Features
- Cross-ribbed headstock for added strength and stability
- Anti-friction mounted shafts and dynamically balanced components for improved accuracy
- Hardened and ground alloy steel gears, shafts and splines for long-lasting accuracy
- Precision chrome alloy spindle with large 4” spindle bore for workpiece flexibility
- Clutched headstock for more precision control and long-lasting reliability
- All cast iron construction provides a solid foundation for vibration absorption and rigidity
- Hardened & precision ground bedways for long-lasting accuracy
- Quick change gearbox cuts American (inch), metric and module and diametrical pitch threads
- Rapid traverse on carriage (4-way joystick)
- 2 Speed tailstock for faster setups
Included Accessories
- Thread dial
- Standard steady rest
- Extra capacity steady rest
- Follow rest
- Coolant system
- Carriage stop
- Taper attachment
- Work light
- Full-length splash guard
- 3 jaw chuck
| Specifications: | 20″ Swing Series | 24″ Swing Series | 28″ Swing Series | ||
| Capacities | |||||
|---|---|---|---|---|---|
| Swing over bed | 20.25″ | 25″ | 28.5″ | ||
| Swing over cross slide | 11.875″ | 17″ | 19.625″ | ||
| Center Distances Available | 40″, 60″, 80″, 120″, 160″ & 200″ | ||||
| Headstock | |||||
| Hole thru spindle | 4″ | ||||
| Spindle speeds | (15) 11.5 – 1400 RPM | (21) 20 – 1250 RPM | |||
| Spindle nose | D1-8 | ||||
| Threads | |||||
| Threads per inch – number/range | (64) 1/4 – 60 | ||||
| Metric threads – number/range | (64) .5 – 120 | ||||
| Tailstock | |||||
| Travel of spindle barrel | 9.5″ | ||||
| Diameter of spindle barrel | 3.5″ | ||||
| Tailstock center | #5 MT | ||||
| Bed | |||||
| Width of bed | 15.75″ | ||||
| Motor | |||||
| Main drive motor | 10 HP | 15 HP | |||
| Miscellaneous | |||||
| Shipping weight (approximate) (120″cc) | 8,600 lbs. | 9,000 lbs | 9,200 lbs. | ||
| Specifications: | 20″ Swing Series |
| Capacities | |
|---|---|
| Swing over bed | 20.25″ |
| Swing over cross slide | 11.875″ |
| Headstock | |
| Hole thru spindle | 4″ |
| Spindle speeds | (15) 11.5 – 1400 RPM |
| Spindle nose | D1-8 |
| Threads | |
| Threads per inch – number/range | (64) 1/4 – 60 |
| Metric threads – number/range | (64) .5 – 120 |
| Tailstock | |
| Travel of spindle barrel | 9.5″ |
| Diameter of spindle barrel | 3.5″ |
| Tailstock center | #5 MT |
| Bed | |
| Width of bed | 15.75″ |
| Motor | |
| Main drive motor | 10 HP |
| Miscellaneous | |
| Shipping weight (approximate) (120″cc) | 8,600 lbs. |
| Specifications: | 24″ Swing Series |
| Capacities | |
|---|---|
| Swing over bed | 25.25″ |
| Swing over cross slide | 17″ |
| Headstock | |
| Hole thru spindle | 4″ |
| Spindle speeds | (21) 20 – 1250 RPM |
| Spindle nose | D1-8 |
| Threads | |
| Threads per inch – number/range | (64) 1/4 – 60 |
| Metric threads – number/range | (64) .5 – 120 |
| Tailstock | |
| Travel of spindle barrel | 9.5″ |
| Diameter of spindle barrel | 3.5″ |
| Tailstock center | #5 MT |
| Bed | |
| Width of bed | 15.75″ |
| Motor | |
| Main drive motor | 15 HP |
| Miscellaneous | |
| Shipping weight (approximate) (120″cc) | 9,000 lbs. |
| Specifications: | 28″ Swing Series |
| Capacities | |
|---|---|
| Swing over bed | 28.5″ |
| Swing over cross slide | 19.625″ |
| Headstock | |
| Hole thru spindle | 4″ |
| Spindle speeds | (21) 20 – 1250 RPM |
| Spindle nose | D1-8 |
| Threads | |
| Threads per inch – number/range | (64) 1/4 – 60 |
| Metric threads – number/range | (64) .5 – 120 |
| Tailstock | |
| Travel of spindle barrel | 9.5″ |
| Diameter of spindle barrel | 3.5″ |
| Tailstock center | #5 MT |
| Bed | |
| Width of bed | 15.75″ |
| Motor | |
| Main drive motor | 15 HP |
| Miscellaneous | |
| Shipping weight (approximate) (120″cc) | 9,200 lbs. |
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