Jul 30, 2018· Grinding Ball Mills for sale, Rod Mills, Pebble Mills, SAG Mill, Ball Mills. 6ft x 8ft Allis Chalmers Ball Mill, Bull Gear 221 Teeth x 7'' Face, Pinion 21 Teeth x 7'' . 9ft x 35ft Allis Chalmers Ball Mill with 1250hp Synchronous Motor, 240rpm,.