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Vacuum Trucks What are They and How Do They Work? Vacuum pump trucks are by definition vacuum tanks that are truck mounted or vac trailer mounted coupled with a high velocity vacuum pump that hydraulically load wet and dry material via vacuum hoses.  A rotary vacuum pump  is driven by a PTO mounted on the truck that sucks up either wet or dry material. The material is then transported and is either pumped out or the tank is opened for dumping. The vacuum unit is truck mounted or trailer mounted on either a single axle or quad axle. Some units feature positive displacement blowers that operate in extreme weather conditions including temperatures as low as -35°F. Vac truck manufacturers offer accessories such as core drills, water jetters or air compressors at the time of purchase or afterwards. A liquid vacuum truck’s primary purpose is to transfer liquid and sludge waste to waste disposal companies.  Applications: They are typically conf...

Trucking on the Front Line in Fight Against COVID-19 - Coleman Vacuum Systems Inc. As an increasingly aware United States mobilizes to contain the spread the new Coronavirus that causes COVID-19, the trucking industry is uniquely positioned to help in the containment effort – or further accelerate the spread of the pandemic. As the importance of containing the virus hits home, many fleets are stepping up to educate drivers on being safe , while scrambling to meet the run on consumer items that is happening in some areas of the country as people try to prepare for a worst-case scenario. “The Coronavirus has definitely thrown us a huge curve ball. We are seeing some crazy spikes right now with our customers that are shipping paper products, water, and even beer,” Olivia Young, director of marketing and national sales manager for Navajo Express, Denver, Colorado, told HDT in an interview. "We have to figure out where do we need to adjust our capacity? Where do we ne...