Mueller® large drilling machines are used for making 2” to 24” lateral connections on water mains under pressure. These machines are available with the tools and accessories for cutting a wide variety of pipe. These large drilling machines are built to take the hard use and rough handling that is unavoidable when working on mains. They need only minimum maintenance to provide long life and satisfactory use. The various drilling machines are simple to operate and, because they are similar in design and operation, training operators to use them is an easy task.