SUMMIT 20-4 X 80 Engine Lathe Swing 20.25", Center 80", Hole Thru 4.125", West Coast Location
The SUMMIT 20-4 x 80 lathe is a precision engine lathe with a 20.25" swing over the bed and 80" distance between centers. Key specifications include a 10 HP motor, a 4.125" spindle bore (D1-8 mount), and 15-speed spindle rotation from 11.5 to 1,400 RPM. It has a 15.75" bed width and can cut both inch and metric threads.
| Swing | 20" | 508 mm |
| Centers | 80" | 2,032 mm |
| Spindle Bore | 4.125" | 104.77 mm |
| Power | 10 hp | 7.5 kW |
| RPM | 1,400 RPM | 1,400 RPM |
| Swing Over Cross Slide | 11.875" | 301.62 mm |
| Dimensions | 156" x 48" x 60" | 156" x 48" x 60" |
| Weight | 7,700 lbs | 7,700 lbs |
Swing over bed 20-1/4"
Swing over gap 27-5/8"
Swing over cross slide 11-7/8"
Distance between centers 80"
Spindle speeds (15) 11.5 - 1400 RPM
Hole through spindle 4-1/8"
Spindle nose D1-8 Camlock
Threads (64) 1/4 - 60 TPI
Metric threads (64) .5 - 120
Longitudinal feeds (124) .00145 - .44474
Cross feeds (56) .0007 - .22237
Cross slide travel 11-3/8"
Compound rest travel 5-3/8"
Tailstock spindle travel 9 1/2"
Tailstock spindle taper No. 4 M.T.
Bed width 15-3/4"
Dimensions 156" x 48" x 60"
Weight 7,700 lbs
12" 3 Jaw-Chuck
Forced lubrication
Coolant System
Splash Guard
Threads: The lathe is capable of cutting both American (inch) and metric threads with a wide range of options (64 options for both inch and metric).
Feeds: It has 124 options for longitudinal feeds and 56 for cross feeds, allowing for a variety of machining tasks.
Bed: The bed is made of all cast iron for rigidity and vibration absorption and the ways are hardened and precision ground for longevity.
Lubrication: Features a force lubrication system.
Standard Equipment: Commonly includes items like a 3-jaw and 4-jaw chuck, steady rest, follow rest, taper attachment, and coolant system.
