These powerhouse drilling machines are capable of boring large-diameter shafts in all types of materials. The torque and crowd available with the Model 3100 & 3110 provide the capacity to drill in difficult conditions, including hard rock and boulders. These units are designed for production drilling of diameters up to 12 feet and depths of up to 130 feet. For better access and faster drilling speeds, these units rest on hydraulically driven crawler-type undercarriages with tilt style car bodies.
