BRON crawlers are available with static or vibratory plows for the direct burial of underground utilities including telephone, electrical, conduit, gas and water lines. The power unit shown features a BRON 250 crawler with a BRON vibratory plow and a sandbox attachment installing 3 phase power in a protective sand envelope. Attachments are available for appropriate (sand or cement) top and bottom bedding for the installation of electrical conduit. BRON utility plows are also available as add-on plows to suit most popular crawlers and are sold and serviced through a worldwide dealer network.