Hercules Model SPM710 Engine Lathe; New in (1997); Serial #1997486; Swing over Bed: 28"; Swing Over Cross Slide 17.71"; Center Distance: 157"; Working Diameter In Gap 37.9 "; Work Piece Length in Gap 11.8"; Max Weight Max Workpiece Weight fixed Between Centers and Rest 7700 lbs.; Main Spindle Nose Camlock 11; Spindle Bore Diameter 4.13; Spindle Speeds: 8-900 RPM; 4 Stepless Ranges; Longitudinal Feeds: (92) .0011-.16 IPR; Cross Feeds: (92) .00027-.0443 IPR; Metric Threads: (37) .5-80 mm; Whitworth Threads: (70) 160-1 TPI; ModuleThreads: (60) .5-40 Modul; Diametric Pitch Threads: (36) 160-2 DP; Cross Slide Stroke 17"; Tail Stock Quill Diameter 4.13"; Tail Stock Quill Taper: MT6; Tail Stock Quill Stroke: 8.66"; Equipped with: 18.5 KW Spindle Motor, 24 1/2" 3 Jaw Chuck, Newall DP7 2 Axis DRO, 2 Three Point Steady Rests, Mimik Model U79-0 Hydraulic Tracer Attachmemt, 2 22" Face Plates, 15" Face Plate, 24 1/2" Four Jaw Chuck, Cross Slide Mounted Internal Grinding Attachment, Thread Chasing Dial