used heavy duty kearney & trecker vertical milling machine 315 S-15 used heavy duty kearney & trecker vertical milling machine 315 S-15 used heavy duty kearney & trecker vertical milling machine 315 S-15 used heavy duty kearney & trecker vertical milling machine 315 S-15 used heavy duty kearney & trecker vertical milling machine 315 S-15 used heavy duty kearney & trecker vertical milling machine 315 S-15 used heavy duty kearney & trecker vertical milling machine 315 S-15 used heavy duty kearney & trecker vertical milling machine 315 S-15 used heavy duty kearney & trecker vertical milling machine 315 S-15