500-1,000 gal Water Trailer
The 500-1,000 gallon water trailer is the standard towable water supply for compaction and dust control on a single site. These trailers deliver enough capacity for sustained watering operations while remaining maneuverable with standard tow vehicles. They represent the larger band in the water trailer ladder, above the up to 500 gallon class.
Cat classes
Pick a size class — capacity and reach differ across the range.
Key specifications
| Specification | Typical range | What it means |
|---|---|---|
| Tank Capacity | 500–990 gal | Sufficient volume for extended dust suppression or compaction watering without frequent refills |
| Load Capacity | 5,997–18,001 lb (2,720–8,165 kg) | The total weight of water, tank, and trailer the axle and chassis can support |
| Distribution Method | Spray bar, hose reel, or pump | Gravity-fed or pump-driven systems deliver water for dust control or compaction |
How to choose
This 500-1,000 gallon band suits sites requiring sustained watering operations—grading projects, subgrade compaction, or dust suppression on active haul roads—where refill logistics allow periodic trips to a water source. The load capacity range accommodates both lighter poly-tank units and heavy-duty steel chassis models. For smaller sites with limited towing capacity or frequent repositioning, the Up to 500 gal Water Trailer band offers greater portability with less weight. No larger water trailer size class is documented in the standard ladder; bulk water trucks or nurse tanks serve applications exceeding 1,000 gallons.
What this size handles
- Dust suppression on unpaved haul roads during earthmoving operations
- Moisture control for soil compaction on roadway subgrade
- Watering unpaved parking areas and staging zones on construction sites
- Dust abatement during demolition or grading in sensitive urban areas
- Compaction water supply for trench backfill and utility work
Safety & operation
- Water load significantly increases trailer weight; verify tow vehicle capacity and brake controller operation before moving
- Partially filled tanks create surge forces during transport; fill completely or transport empty when feasible
- Chock wheels and set parking brake on sloped terrain; full tanks alter weight distribution and stability
- Inspect hoses, fittings, and spray bars for leaks before operation to prevent uncontrolled water release on site
Transport & logistics
- Towed behind pickup trucks, service trucks, or site utility vehicles with appropriate hitch ratings
- Gross vehicle weight when fully loaded ranges from approximately 2,700 kg to over 8,100 kg depending on tank material and chassis construction
- Road-legal trailer lighting, brakes, and DOT compliance required for highway transport in most jurisdictions
Power & supply
- Gravity-fed systems require no external power; trailer elevation provides spray bar pressure
- Pump-equipped models typically use 12V DC electric pumps powered by tow vehicle battery or onboard battery pack
- Some units feature gasoline or diesel engine-driven pumps for higher flow rates and independent operation
Frequently asked
What differentiates a 500-gallon trailer from a 1,000-gallon model in this size class?
How does load capacity differ from tank capacity?
What tow vehicle class is needed for this size water trailer?
Compare popular models
Find by spec →Normalised to the same units. A dash means the figure was not published.
| Model | Load capacity | Engine power |
|---|---|---|
| Thunder Creek FST500 | 10,000 lb (4,536 kg) | - |
| Thunder Creek FST750 | 12,000 lb (5,443 kg) | - |
| Thunder Creek FST990 | 13,999 lb (6,350 kg) | - |
| Thunder Creek MTT690 | 12,000 lb (5,443 kg) | - |
| Thunder Creek MTT920 | 13,999 lb (6,350 kg) | - |
| Thunder Creek DW990 | 13,999 lb (6,350 kg) | - |
Related equipment
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Sources
Every specification is verified against the manufacturer's published data, with the source linked for reference.
500-1,000 gal Water Trailer
16 models · Every spec cited to source
