Ultra-Durable 81 Gallon Fresh Water Tank for RVs, Trailers, and Marine Use
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81 Gallon RV Water Tank 63" x 31 1/2" x 10"
Important: THERE IS A 10 TANK MINIMUM ORDER. This item is available on special order only. This is a custom made tank and according to current manufacturer data, there is an estimated 4-12 week production timeframe.
PLEASE NOTE: Due to this being a custom order there are no returns and no refunds.
100% Authentic OEM-Quality Parts: These rotational molded fresh water tanks are crafted to meet or exceed factory standards, making them a perfect upgrade or replacement for your RV, horse trailer, or marine vessel.
Premium FDA-Approved Material: Made from high-quality, durable polyethylene that’s fully approved for safe drinking water storage—better than many stock tanks installed in factory-built RVs.
Seamless One-Piece Construction: Engineered without seams or joints for superior strength and leak-proof reliability, outlasting and outperforming typical OEM tanks.
Stain, Corrosion, and Rust Resistant: Designed to stay clean and functional even after years of use, ensuring your water stays fresh and your tank stays dependable.
Versatile Compatibility: Ideal for RV enthusiasts, horse trailer owners, or marine adventurers looking for a long-lasting, hassle-free water storage solution.
Enhanced Durability: Built tougher than many standard factory-installed tanks, offering peace of mind whether you’re replacing an old tank or upgrading your setup.
| Material | Polyethylene |
|---|---|
| Construction | Seamless one-piece |
| Width (inches) | 31.5 |
| Height (inches) | 10 |
| Length (inches) | 63 |
| Capacity (gallons) | 81 |
- What are the dimensions of the 81 gallon rv water tank? The tank measures 63 inches in length, 31 1/2 inches in width, and 10 inches in height.
- Is this water tank suitable for storing drinking water? Yes, the tank is made from premium FDA-approved polyethylene material, making it safe for storing drinking water.
- Can i order just one tank or is there a minimum quantity? There is a 10 tank minimum order as this item is available on special order only.
- Is the tank resistant to leaks and corrosion? Yes, the tank features seamless one-piece construction for leak-proof reliability and is stain, corrosion, and rust resistant.
- Can this tank be used for applications other than rvs? Yes, it is versatile and ideal for RVs, horse trailers, and marine vessels.
100% Authentic OEM Parts
Factory-Fresh OEM Parts — the same brands installed in new RVs straight from Elkhart. Genuine, name-brand components made to order — never generic, never outdated. Sourced directly from the original RV manufacturers for perfect fit and factory-level quality.