Mill, Ball, 7' x 5 1/2', 100 HP, Skid Mounted, Steel Liners 7' diameter X 5 1/2' long ball mill, includes 100 hp motor, 1180 RPM, 220/440 V, Frame 444T, and spare motor. Scoop feed, 8' wide straight bull gear, 18' diameter feed and discharge, babbitted bearings.