The Hydrovac Code TC407 excavation truck from Westech Vac Systems is specified with a TC407 rating (hazardous goods transport capable). The truck allows quick access to buried water mains and natural gas and petroleum pipelines, cutting through hardened scale and frozen ground with reduced risk of damage. It is designed to handle unpredictable off-road applications and unknown hazardous materials, in every type of weather, from -40 to 95 degrees F. It is quick and easy to set up so work can begin immediately, maximizing efficiency and productivity. Debris body capacities range from 11.8 to 13 cubic yards. It has heated rear door valves, a heated hose reel cabinet, and glycol and air purge winterization systems. 780/955-3030; www.westechvac.com.