... granite stone rollΦ500 × 2000mm one set, equipped with a scraper, and aΦ450 × 2000 rubber roller, the rubber hardness is ... , M12 × 170 big gears and a heavy scraper in the first cylinder, a scraper in the second cylinder, with a double-cylinder ... -4A-11KW motor.Remark: The equipment includes all of the land rails, electrical machines, electrical equipments, back wheels, cardan joint couplings ...