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Glossary

Hydrovac Truck

What is Hydrovac Truck?

A hydrovac truck is a vacuum truck equipped with a high-pressure water system and boom that performs hydro excavation, breaking soil with water and vacuuming the slurry into an onboard debris tank.

A hydrovac truck integrates a water pump (rated in GPM and PSI), a high-CFM blower, a boom-mounted vacuum tube, and a debris body on a heavy truck chassis. Operators use a handheld wand to cut soil and the boom to guide the suction hose, filling the tank with slurry for offloading at an approved site.

Truck-mounted units carry more water and debris capacity than trailers, making them suited to larger daylighting, potholing, and pipeline exposure jobs. Typical specs are described as ranges, not guarantees: debris capacity in cubic yards, water in gallons, vacuum in CFM, and boom reach in feet. See hydrovac trucks for rent on Vac4Rent; submit a free request and hear back directly from rental companies.

Guides that cover Hydrovac Truck

Related terms

HydrovacHydrovac TrailerCombination (Combo) TruckBoom

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Hydrovac Truck: common questions

What is Hydrovac Truck?+

A hydrovac truck is a vacuum truck equipped with a high-pressure water system and boom that performs hydro excavation, breaking soil with water and vacuuming the slurry into an onboard debris tank.

Should I rent a hydrovac truck with or without an operator?+

Many rental companies supply hydrovac trucks with a trained operator, and for most renters that is the practical choice. Running the high-pressure water system and boom safely takes training, and a full-size truck's weight usually requires a commercial driver's license. Renting without an operator can make sense for companies with experienced, licensed crews. Either way, confirm insurance requirements, responsibility for damage, and whether fuel and disposal are included.

How do I size a hydrovac truck for my job?+

Match the debris body to the total soil you expect to remove, since a full tank means a trip to the disposal site. Longer jobs far from a water source benefit from larger water capacity or a support water truck. Consider boom reach for holes that are hard to park beside, and heated water for winter work. Sharing hole count, depth, soil type, and site access helps the rental company suggest a suitable unit.

What site conditions can limit a hydrovac truck?+

Hydrovac trucks are heavy, full-size vehicles, so soft ground, narrow alleys, low overhead clearance, weight-restricted bridges, and tight residential yards can all limit where they can go. Overhead power lines also matter when raising the boom. When a truck cannot get close, a longer boom or extra hose may help, or a smaller hydrovac trailer may fit better. Walk the site or share photos with the rental company beforehand.