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Home » Factory Direct Water Tanks » 5,000L Bunded Poly Diesel Tank
$16,775 – $18,040Price range: $16,775 through $18,040
On-site diesel storage made simple, and safe.
Whether you’re managing a farm, workshop, fleet or remote site, QTank’s 5,000L bunded diesel tank offers an efficient, secure and cost-effective refuelling solution. Built tough for Australian conditions and fitted with your choice of integrated pump system, it’s delivered ready to use — no setup hassles and no seperate concrete bund required.
Designed and build to AS1940 and AS/NZS 4766, this tank combines proven durability with plug-and-play convenience, helping you reduce fuel costs, downtime and risk.
✔ 110% bunded – dual-wall for leak and spill containment
✔ Ready to use – pump pre-installed and tested
✔ Pump options – 12V, 240V, low or high flow
✔ Bunded cabinet – 80L built-in spill protection
✔ Stainless fittings – factory-installed pump components
✔ True capacity – full 5,000L safe fill level
✔ UV-stabilised poly – won’t rust or corrode
✔ Lightweight design – easy to transport and install
✔ Australian made – built for tough site conditions
✔ 5-year warranty – full manufacturer coverage
5,000L
Rectangle
110% self-bunded
1.2 SG liquids
Long-term outdoor exposure
Diesel-grade polyethylene
This tank is supplied as a complete tank and pump package, with your choice of 12V or 240V pump options depending on your site power and refuelling needs. Diesel models are available with low-flow or high-flow setups, so you can match the system to anything from steadier day-to-day refuelling through to faster turnaround in busier yards.




QTank bunded diesel tanks are designed to give sites a safe, practical and no-fuss refuelling setup, with the tank and pump package supplied as one integrated solution. The self-bunded design helps support spill containment while simplifying installation compared with older tank arrangements that rely on separate bunding. Made from UV-stabilised poly and built for Australian conditions, they offer a durable, low-maintenance option for keeping diesel on site and ready when it is needed.
The self-bunded design provides containment, with the outer tank sized to capture the inner tank volume and the pump cabinet helping contain drips during refuelling.
For many sites, the above-ground self-bunded design helps avoid the need for a separate concrete bund, making installation simpler than conventional tanks.
Poly will not rust and doesn’t need paint, so there is no repainting or corrosion treatment to worry about. A simpler long-term diesel storage option.


QTank manufacture in Brendale QLD, using our own rotational moulding capability. Built for Australian conditions, specifications and requirements. The tank body uses UV-stabilised poly that will not rust or corrode like older steel storage, making it a practical long-term option for farms, depots, workshops and worksites that need dependable diesel storage on site.
This tank is a strong fit for farm diesel storage when you want more diesel on hand, a proper pump setup, and built-in containment without stepping into separate bunding works. The poly construction also makes sense on farms where tanks often sit near fertiliser, chemicals and mixed-use shed areas, and corrosion resistance matters just as much as capacity.
This is a clean upgrade path when you want to replace an ageing steel tank with something lower maintenance and better contained. Even if the old site already has a concrete bay, the self-bunded design adds extra peace of mind around spills, overfills and accidental knocks, while still dropping into an established fuel area.
Our single-skin tanks (click here) remains the lower-cost alternative if the existing bunded area is still in good order.
This suits farm diesel storage at remote bores, pump sheds and generator-powered irrigation sites where the tank may stay in one spot for an irrigation season, then be moved empty to the next location when water demand, crop rotation or paddock use shifts. That is where the self-bunded design has a real advantage: the containment moves with the tank, so you are not repeating separate bunding works each time like you would with a single-skin setup. It is a practical fit for medium-term placement on a suitable flat base, especially where the tank may also be used to run a diesel pump or generator directly at the site. The seasonal-rotation logic here lines up with Agriculture Victoria’s example of growers moving pumping sets between sites, and with broader farm irrigation use where diesel-powered pumping and generator support are common.
This is one of the clearest commercial wins. Keeping diesel on site means less time driving to the servo, less waiting around, and less unproductive vehicle movement across the week. For farms, workshops, depots and contractor yards, that turns fuel storage into a time-saving operational improvement rather than just a tank purchase.
With vehicles coming and going through the day, it makes sense to have diesel stored on site in a setup that feels contained, practical and easy to manage. This bunded tank gives you a proper refuelling point with built-in containment and pump options to suit the pace of the yard, while avoiding the extra complication of separate bunding works in many cases.
When the site is being set up or expanded, this tank gives you a more straightforward path to on-site refuelling because the bunding is already built into the unit. That makes it easier to get diesel storage in place without first organising separate containment works, while still ending up with a tidy, practical and purpose-built setup.
Where diesel and AdBlue are both part of the daily refuelling, particularly for modern fleets, matching tanks make the setup feel neater, clearly identify and easier for staff to refuel. Our self-bunded AdBlue tanks share the same overall shape and design, with the AdBlue unit colour coded in blue for quick identification, so the refuelling area works as one coordinated setup.
Where diesel needs to be available for support vehicles, light plant and day-to-day yard use, this tank gives you a contained on-site refuelling point without the extra layer of separate bunding works. That makes it a practical option for yards that need fuel on hand, want setup to stay relatively straightforward, and may later want the flexibility to relocate the tank once emptied.
Once diesel storage is in place, adding AdBlue is much easier when the matching tank uses the same footprint, shape and design language. That keeps the refuelling area consistent, makes the setup easier for operators to understand at a glance, and avoids turning a tidy diesel point into a patchwork arrangement when AdBlue storage is added later.
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