water tank specials

500 Gallon Water Trailers

water trailer

The 500 gallon Water Tank Trailer (also known as a water buffalo) is a robust unit designed to address watering needs required for dust suppression, fire suppression, fields, turfs, vegetation, trees, and arenas. Equipped with high strength components such as polyethylene storage tanks, trailers, hoses, pumps and spray equipment, these units can safely and effectively transport water where it most needs to go.

All water trailers are additionally designed with multiple components that allow them to be used in outdoor transportation areas. This includes UV resistance components on poly tanks and a DOT approval on water trailers. These components allow the units to be successfully used for road transportation, outdoor areas, and multi-site spray jobs.


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500 gallon Water Tank Trailer
Technical Specifications

Part Number EXP-500-S
Trailer DOT Approved
Tank 500 gallon Elliptical
H x L x W
62" x 162" x 80.5"
(w/ 70" fill kit and fenders)
Weight 1800 lbs
Capacity 7000 lbs
Hitch Height Adjustable, 2"
Frame 6" Channel Iron
Axles Tandem Leaf Spring
Wheels 15 x 6
Tires ST225/75E15
Brakes Surge Brakes
Wheel Track 70.5"
Warranty 5 years on tank
1 year on all components and frame
Flyer 500 gal Water Trailer Flyer (pdf)



  • DOT Approved Trailer
  • 2" Koshin Pump with Honda Engine
  • Adjustable 2" Nozzle Spray Bar
  • Fire Hose and Nozzle
  • Fenders and Lights
  • Anti-Siphon Fill Kit
  • Suction Hose


  • All-Inclusive Spray System
  • Approved for DOT Road Transportation
  • Low Center of Gravity
  • Easy Mobility to and from Sites
  • Connects Easily to Transport Vehicles
  • High Strength Storage Tank
  • Filled through Hoses, Ponds, and Hydrants


These water tank units include a 500 gallon elliptical polyethylene tank that offers a high resistance to rust and corrosion, while still containing an FDA approved resin. Trailer systems have been used for applications such as:

  • Dust Control
  • Vegetation Watering
  • Fire Suppression & Control
  • Job Site Ground Packing
  • Remote Area Landscaping
  • Crop & Livestock Spraying
  • Lubricant for Concrete Saws


View all Water Trailers or check out our Plastic Storage Tanks

Get a Quote

Questions? Call us at: (+1) 772-646-0597 request a quote. *Ask us about financing options!