... a speed of 1500 r/minClockwise rotation low gear 101, 187, 267, 388 r/minClockwise rotation high ... gear 311, 574, 819, 1191 r/minReverse rotation low gear 83 r/minReverse rotation high ... prime move has a speed of 2000r/minClockwise rotation low gear 135, 250, 355, 517 r/minClockwise rotation high gear415 ... down of spindle 60 kNI . D. of spindle68 mm Core Drill Rig