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39 Gallon RV Fresh Water Tank - Low-Profile Design for Maximum Versatility
Transform your RV adventures with reliable, clean water storage that goes the distance. This 39 gallon RV fresh water tank from Elkhart Plastics (Part #605W, also fits W1337000) delivers the durability and performance serious RVers demand for extended off-grid capability.
Dimensions: 54" x 28" x 5.75" | Capacity: 39 Gallons | Profile: Low-profile design
The ultra-low 5.75" height makes this tank perfect for tight spaces and under-floor installations while still providing generous water capacity for your adventures.
Why Choose This Elkhart Plastics Fresh Water Tank?
Elkhart Plastics has been the trusted name in RV water tank manufacturing for decades. This professional-grade tank is engineered with precision to maximize your water capacity while fitting seamlessly into your RV's design.
✓ Low-Profile Design - Fits Where Others Can't
With a height of just 5.75", this tank is specifically engineered for tight spaces and under-floor installations. The slim profile doesn't compromise structural integrity - you get full 39-gallon capacity in a space-saving design that works in motorhomes, travel trailers, and custom van conversions.
✓ FDA-Approved Food-Grade Material
Manufactured from premium high-density polyethylene that's fully FDA-approved for potable water storage. This food-grade plastic ensures your drinking water stays fresh, pure, and safe - often superior to factory-installed tanks in many RVs.
✓ Seamless Rotational Molding Process
Elkhart Plastics uses advanced roto-molding technology where high-density plastic is rotated and molded into a single, seamless piece. This creates uniform wall thickness throughout the entire tank with no weak spots, seams, or joints that could fail over time.
✓ Optimal Capacity for Extended Adventures
39 gallons provides the perfect balance of capacity and size. Whether you're boondocking in the desert, staying at a remote campground, or enjoying extended off-grid adventures, this tank ensures you'll have the fresh water you need without taking up excessive space.
✓ Road-Tested Durability
Built to withstand the bumps, vibrations, and temperature changes of life on the road. The seamless construction provides exceptional impact resistance and leak-proof reliability that outlasts typical OEM tanks.
Perfect For Multiple Applications
- Boondocking Enthusiasts: Extended off-grid capability for dry camping adventures
- Weekend Warriors: Ample water for family camping trips
- Full-Time RVers: Reliable daily water storage you can count on
- Van Conversions: Low-profile design perfect for custom camper van builds
- Travel Trailers: Direct OEM replacement or upgrade for aging fresh water tanks
- Motorhomes: Space-efficient water storage for Class A, B, and C motorhomes
Technical Specifications
- Manufacturer: Elkhart Plastics / Myers / Ameri-Kart
- Part Numbers: 605W, W1337000
- Capacity: 39 Gallons
- Dimensions: 54" L x 28" W x 5.75" H
- Profile: Low-profile / slim design
- Material: FDA-Approved High-Density Polyethylene
- Construction: Seamless One-Piece Rotational Molding
- Color: Natural/White
- Use: Potable fresh water storage
- Fittings: Standard mounting points for easy installation
Installation & Compatibility
This tank features standard fittings and mounting points for hassle-free replacement or new installation. The low-profile design makes it ideal for under-floor mounting or tight compartments where traditional tanks won't fit.
Need additional components? Check out our Universal Fresh Water Tank Fittings Kit with water level sensors, and don't forget a quality RV water pump for optimal system performance.
Maintenance Tips for Long-Lasting Performance
- Sanitize your fresh water tank at least twice per year with approved RV water tank cleaner
- Drain and flush the tank before long-term storage
- Use a water filter to reduce sediment and extend tank life
- Inspect fittings and connections annually for signs of wear
- Never use harsh chemicals or cleaners not approved for potable water tanks
- Keep tank at least partially full when traveling to prevent sloshing damage
Compare Tank Sizes
Not sure if 39 gallons is right for you? We offer a complete range of fresh water tank sizes. For similar capacity with different dimensions, check out our 40 Gallon Alpha Fresh Water Tank (39" x 18" x 14") which offers a taller, more compact footprint.
Why Buy From ElkhartRVParts.com?
- ✓ Authorized Dealer: We're the only authorized online retailer for Elkhart Plastics products
- ✓ Guaranteed Authentic: 100% genuine OEM-grade parts, never knockoffs
- ✓ Free Shipping: Complimentary shipping on this item
- ✓ Expert Support: Our AI Live Chat can help with fitment questions and technical support
- ✓ Fast Fulfillment: Quick processing and shipping to get you back on the road
- ✓ Quality Assurance: Every tank meets strict FDA and safety standards
Frequently Asked Questions
Q: What makes this tank "low-profile"?
A: At just 5.75" tall, this tank is significantly shorter than standard fresh water tanks, making it perfect for tight spaces, under-floor installations, and custom builds where vertical clearance is limited.
Q: Is this tank safe for drinking water?
A: Absolutely. This tank is manufactured from FDA-approved, food-grade polyethylene specifically designed for potable water storage. Your water will stay fresh and safe.
Q: Will this fit my RV?
A: Please verify the dimensions (54" x 28" x 5.75") match your available space. The low-profile design makes it ideal for installations where height is limited. If you need help with fitment, use our AI Live Chat for personalized assistance.
Q: How much does 39 gallons of water weigh?
A: Water weighs approximately 8.34 pounds per gallon, so 39 gallons weighs about 325 pounds when full. Ensure your RV's structure can support this weight in your intended mounting location.
Q: Can I use this for boondocking?
A: Yes! 39 gallons is an excellent capacity for boondocking and dry camping. For a couple, this typically provides 3-5 days of water with conservative use. Families may get 2-3 days depending on usage.
Q: Does this come with fittings and sensors?
A: This tank includes standard mounting points. Additional fittings, sensors, and accessories are available separately to customize for your specific installation needs.
Q: What's the difference between this and cheaper tanks?
A: Elkhart Plastics tanks use superior FDA-approved materials, seamless construction, and meet strict health/safety standards. Many cheaper tanks have seams that can leak, thinner walls, or non-food-grade materials that can affect water quality.
Need Help? Our AI Live Chat is available 24/7 to answer questions about compatibility, installation, and product specifications. Get instant expert assistance!
Invest in peace of mind - because running out of water shouldn't be part of your adventure. Order your 39 gallon fresh water tank today with free shipping!
| Material | Polyethylene |
|---|---|
| Resistance | Stain, corrosion, and rust resistant |
| Construction | Seamless one-piece |
| Fda approved | Yes |
| Width (inches) | 28 |
| Height (inches) | 5.75 |
| Length (inches) | 54 |
| Capacity (gallons) | 39 |
- What material is the 39 gallon rv fresh water tank made from? The tank is made from high-quality, durable polyethylene that is FDA-approved for safe drinking water storage.
- What are the dimensions of the 39 gallon rv fresh water tank? The tank measures 54 inches in length, 28 inches in width, and 5.75 inches in height.
- Is this fresh water tank resistant to corrosion and rust? Yes, the tank is designed to be stain, corrosion, and rust resistant to ensure long-lasting performance.
- Can this fresh water tank be used for marine vessels as well as rvs? Yes, the tank is versatile and compatible for use in RVs, horse trailers, and marine vessels.
- Does the tank have seams or joints that could leak over time? No, the tank is constructed as a seamless one-piece design for superior strength and leak-proof reliability.
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.