Summit 20-4 x 80 Gap Bed Engine Lathe #7370 #2 GENERAL SPECIFICATIONS: 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" EQUIPPED WITH: 10 HP Motor Inch/Metric Threads w/Single Switch Lever Hardened and Ground Bed Ways 12" 3-Jaw Chuck w/2 Piece Jaws Taper Attachment, +/- 10 Degrees, 15-3/4" Maximum Turning Length Per Setting Thread Dial Four Way Rapid Traverse Two Speed Tailstock Force Lubrication To Headstock, Carriage, and Bedways Coolant System Full Length Splash Guard