The X-Vac X-13 hydroexcavator from Hi-Vac Corporation has a 27-inch Hg high-capacity vacuum system; a 10 gpm at 2,500 psi triplex water pump; a top-loading 360-degree boom; poly-graphite, rust-free water tanks; a power transfer with OMSI heavy-duty transfer case design; and a noise-deadening, heat-retaining enclosure that surrounds both the water system and the vacuum system. It can carry up to 23,000 pounds, and it can transport and dump debris on site. 800/752-2400; www.hi-vac.com.