30L Stainless Steel Underbody Water Tank to suit Toyota Prado 150 / Lexus GX 460 
With 30L capacity, our Underbody Water Tank is perfect for a quick weekend away, or as additional water storage for peace of mind when heading on a serious trip.  

PLEASE NOTE:  The tank requires the Genuine OEM Toyota Towbar fitted in your vehicle in order to be mounted. It is not compatible with the optional ‘Flat Tailgate Pack’ – the tank is only compatible with vehicles with rear door mounted spare tyres. 


  • Simple and intuitive install with detailed instructions included. 
  • 30L tank provides longer range water storage without occupying any space in the vehicle. 
  • Designed using 3D scanning to ensure a perfect fit. 
  • Using an underbody tank keeps weight lower in the vehicle, whilst taking advantage of a previous unused space.  
  • Built to withstand harsh conditions, with folds for added strength. 
  • Recessed design features optimised departure angles. 
  • Precision laser cut and TIG welded Stainless Steel (GR 316).


  • 1 x 30L Underbody Water Tank to suit Toyota Prado 150 / Lexus GX 460. 
  • All fitting hardware required to fit the tank are included, as well as a quarter-turn lockable tap and water level sight gauge. 

Australian Designed, Made and Owned 
For full product details, common questions and other important details for this product, see the Product FAQ tab.  



Can the 30L Underbody Water Tank be fitted without a towbar?

No, the tank requires OEM Genuine Toyota towbar in order to be mounted. 

Is the water tank compatible with both 2018–Current 3 tonne capacity towbar and the 2009–2018 2.5t towbar?

We have updated the water tank so that brackets now sit under the factory towbar nuts, with longer bolts included. This design change makes the water tank suitable for all models of Prado 150 with factory Toyota tow bar. 

Can the 30L Underbody Water Tank be mounted to other towbars or aftermarket rear bars? 

No, the tank is only able to be fitted to the OEM Genuine Toyota towbar. It will not work with Kaymar Rear Bar or the Hayman Reese Towbar.  

Can the 30L Underbody Water Tank be used with a dual rear wheel carrier? 

Some rear bars retain the genuine Toyota tow bar. If your vehicle still has the genuine towbar, you can install the Kaon water tank. 

Do I need a pump? Do you know if anyone has pumped it through to come out through a hose outlet inside the vehicle? 

Pumps are handy to allow easier access to water outlet at a higher position and to increase pressure for use as a shower or with a nozzle. Some customers will run hose up into the rear door. A very simple solution would be to use an inline 12v pump with standard garden hose fittings. You could use it to fill and to pump out.

What sort of pump do people install with the tank?  

You can use a small diaphragm pump or a centrifugal pump.  Centrifugal pumps are not self-priming an need to be installed at the same level at the water tank. 


Can the tank be filled without the use of a hose?

It is best done with a hose. It could be done without, but would be very slow and somewhat difficult to do.  

Can digital tank fill level senders and gauges be fitted to the tanks so that the water level can be checked from within the vehicle? 

It is possible, you would need to drill a hole for the sender if you want to use the level meter. 

SKU KS0163
Brand KAON
Shipping Weight 9.6000kg
Shipping Width 0.220m
Shipping Height 0.280m
Shipping Length 0.880m
Shipping Cubic 0.054208000m3
Unit Of Measure ea

Please note: our shipping providers are currently experiencing delivery delays of between 7-10 days on top of the below timeframes.

We get it – ordering new gear is exciting, and you'll be keen to receive your order as quickly as possible. We partner with reliable services to offer secure and fast shipping, anywhere in Australia, or the world.  Depending on the provider you have selected, our approximate shipping timeframes are as follows: 


Metro East Coast – 1-5 business days

Metro West Coast & Regional Aus – 10-15 business days


UPS Express International – 5-6 business days

AusPost Express International – 7-12 business days

AusPost International – 2-3 weeks

Orders placed by 12pm AEST Monday to Friday are normally processed and despatched that same day. Orders are typically dispatched within 1-2 days of purchase, if there is a change or issue, we will contact you.  

For more information, visit our Shipping page

Returns & Warranty

KAON manufactured products are backed by a 3-year, unlimited km warranty. For more details, see our returns page.

We know that sometimes, things don’t go to plan, and that you might need to return something for a number of reasons.

Returns help us better understand our products and how we can improve them, as well as providing us a chance to better understand your needs as a customer. Ultimately, they help us in our pursuit of constant improvement and innovation.

We are committed to working with you to try and find a solution. 

If you think you might need a return, here’s our returns process:

1. Log into your account and click on "Resolution Centre" to get the process started.

Here, you'll be guided through the steps required to lodge your return. If you don't have an account, contact us.

 2. We’ll work with you to work out a solution, as soon as possible.  

This will depend on circumstances of your return in line with our policies, and could be a refund, replacement, repairs, credit, partial credit, or refusal. We always endeavour to work out a solution that you are happy with. For more details, see our full returns page here.    

3. If required, we will advise you to return the item back to us, via tracked postage or courier.

 Please note that without a verifiable tracking number, you accept full risk of the item not reaching us. Returns not received by us will not qualify for replacement or refund. If you are sending back an item that was damaged, we will reimburse you for any shipping costs incurred to return the item. 



5 reviews

Water Tank For Prado

A great product well engineered and fits perfectly into the space. The video fitment instructions are not precisely the same as the written instructions given which made it a little confusing however it all ended well

By: on 18 February 2022


Awesome product

Was looking for a solution to carry water without taking up room in the back of my prado. Quality construction and so easy to instal. Cheers.

By: on 3 July 2021


30L Stainless Steel Underbody Water Tank 150 Serie

Happy with product. Quality construction and easy to install.

By: on 8 June 2021


Water tank fits nicely & out of the way

Great design & relatively easy to fit.

By: on 31 May 2021


Stainless Tank

Great product, great quality, good tracking and delivery. Thanks

By: on 19 November 2019