Philippi-Hagenbuch Engineers HiVol® Water Tanks for Unique Environments, Maximum Capacity and Improved Safety

Philippi-Hagenbuch’s patented HiVol® Water Tanks feature a stable, square design that improves stability and maximizes hauling capacity. Each tank is custom engineered to haul the greatest possible volume for the specific make and model of off-highway articulated or rigid frame haul truck. The tanks feature easy-to-use, operator-friendly controls and the ability to spray the entire width of a haul road with one pass. HiVol Water Tanks are built with a superior-grade steel for increased longevity and maximum ROI.

Philippi-Hagenbuch engineers HiVol Water Tanks for new haul trucks and as a retrofit for older trucks. Operations often incorporate the tanks onto their aging haul trucks to convert them to water trucks, extending equipment life. After years of hauling heavy material and absorbing loading impact, even the sturdiest haul trucks experience wear on the suspension, frame and tires. Making the change to hauling water eases this burden and extends the life of the haul truck, helping operations maximize their equipment investment.

Unlike traditional round and trapezoidal water tanks, which typically utilize only 80% of the truck’s capacity to prevent dangerous churning, HiVolWater Tanks incorporate a square design that lowers the center of gravity and maximizes the haul truck’s capabilities. Philippi-Hagenbuch engineers each tank to achieve the lowest weight and greatest possible hauling capacity. This can range up to 60,000 gallons — more than half the capacity of a water tower. The square design, along with internal side-surge stabilizers and a baffling system that results in full compartmentalization of the water, minimizes churning to improve vehicle stability.

Philippi-Hagenbuch custom engineers each HiVol Water Tank to fit the specific make and model of the haul truck and to match the unique needs of the operation. Each tank features corrosion-resistant Hardox® 450 steel, which is over 300% harder and more corrosion-resistant than the steel used in most other water tanks on the market, equating to an exceptionally long water tank life. HiVol Water Tanks utilizing Hardox HiAce acidic-resistant steel are also available as an option for highly acidic environments.  Philippi-Hagenbuch also offers an insulated water tank design for cold weather conditions, with optional heating for use in environments as cold as -40F/C.

“After more than 23 years on the market, none of our water tanks are showing signs of rust, corrosion or failure,” said Josh Swank, Philippi-Hagenbuch vice president of sales and marketing. “The high-quality steel ensures they won’t rust or wear down quickly. Most water tanks on the market only last 5-7 years, but the first water tanks we engineered are still out on the jobsite today. We are proud to explain why we exclusively use Hardox steel throughout our water tanks, and that we have decades worth of water tanks still operating around the world. This proves why our design coupled with superior steel create a water tank that is second to none.”

Philippi-Hagenbuch water tanks feature rear-mounted spray heads, an optional remote-controlled water cannon and individual in-cab analog controls that are straightforward and easy to use. This provides the operator with precise — yet simplified — water control. The horizontal spray heads operate separately, allowing the use of any or all spray heads at the same time. The remote-controlled water cannon enables operators to spray water from 150 to 200 feet away.

The HiVolWater Tanks’ patented design minimizes confined space issues and provides easy maintenance access by incorporating full-sized exterior and interior access doors as well as access points at the top of the tank. All interior doors include rustproof pivots and allow unobstructed flow of clean air and natural light throughout the tank. To negate potential fall risks, the tanks incorporate a unique flat-top design that is easy to walk on when personnel are required to gain access to the top of the tank.

To learn more about HiVolWater Tanks and Philippi-Hagenbuch’s other custom off-highway haul truck solutions, visit

About Philippi-Hagenbuch Inc. Engineering innovative haul-truck solutions for over 54 years, Philippi-Hagenbuch, Inc. is located in Peoria, Illinois, and has been building equipment for off-highway haul trucks since 1969. During this time PHIL has become the global leader in off-highway truck customization. In addition to their innovative tailgates, push blocks, rear eject bodies and trailers, Philippi-Hagenbuch designs and builds custom high-volume end-dump bodies, lowboy and bottom dump trailers, sideboards, load ejectors and water tanks for nearly every make and model of articulated and rigid frame off-highway truck available. For more information visit

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