Name: Underbody Poly Watertank 75L Undertray
Brand: Tuff Terrain
SKU: TTTP75
Price: 329.99 AUD
Availability: InStock

$329.99

Aussie Designed

Available to order
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• 1 x Tuff Terrain 75L underbody poly water tank

• 75L underbody water storage capacity

• Fits undertray to maximise deck space

• Extra thick one-piece poly construction

• UV stabilised food grade polyethylene tank

• Moulded anchor points, no straps needed

• Australian made tank for local conditions

This 75L undertray poly water tank sits under the tray and keeps water out of the way, which leaves more space up top for gear and tools. The baffled design calms water movement on corrugations and braking, meaning the ute feels steadier when you load up for long runs. A recessed centre section clears a cross member to keep ground clearance usable when you head off the bitumen.

The tank body uses extra thick food grade polyethylene that stands up to stones and road grime, as the one-piece mould has no joins to weep. UV stabiliser in the material helps keep sunlight from kicking off algae build-up, which keeps water fresher on long trips. Moulded anchor points bolt straight to mounts to cut down on extra hardware. For anyone who tours from the bush to the beach, this is smart buy water storage gear.

Q: Can this 75L underbody tank hold drinking water?

A: Yes, the tank uses Australian food grade polyethylene that meets relevant food and water storage standards. The material suits potable water when used with appropriate hoses and fittings. You still need to keep the system clean between trips. We recommend regular flushing and sanitising to maintain water taste and hygiene.

Q: Do I need extra fittings to install this tank?

A: You may need extra adaptors or fittings depending on your existing plumbing. The tank comes as a generic fitment base, which means outlet and hose sizes on each vehicle can differ. Most installers keep a range of BSP adaptors and hose tails on hand. A qualified fitter can match your pump, filler and breather gear to the tank outlets.

Q: Can I fit this tank myself at home?

A: Tuff Terrain advises that a qualified person carries out installation. Underbody mounting involves working around chassis rails, exhaust, suspension and brake lines, which can create safety risks if handled incorrectly. A professional installer checks load paths and clearances. That approach helps the tank go the distance on corrugated roads.

Q: Will this tank fit every ute or truck tray?

A: No, the tank suits only vehicles with enough clear space for its footprint and height. You must measure the undertray area and check for cross members, spare wheels and exhaust routes. The 870 x 870 x 160mm dimensions act as your main guide. When in doubt, a fitter can confirm compatibility before you order.