By Trenchless Technology Staff  on March 3, 2017  Taken from: https://trenchlesstechnology.com/westech-vac-systems-introduces-westech-wolf-hydroexcavator/ Westech Vac Systems introduces the Westech Wolf non-code certified hydrovac truck for oil and gas customers working in extreme conditions. Developed in collaboration with Federal Signal’s Environmental Solutions Group, the Wolf hydroexcavation truck is the first new product...