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Premium 50 Gallon RV Fresh Water Tank - Ultra Low Profile Design
The Elkhart Plastics 50 Gallon RV Fresh Water Tank (Part 4893/W1404000) delivers exceptional quality and versatility for RV owners, horse trailer operators, and marine vessel enthusiasts. Measuring 60" x 36" x 5.75", this ultra-low profile blank tank is engineered using advanced rotational molding technology to create a seamless, one-piece construction that eliminates weak points and potential leak areas.
Manufactured from FDA-approved polyethylene with a robust 0.180" wall thickness, this 50-gallon fresh water tank exceeds factory standards for durability and longevity. The blank design allows for complete customization of fittings and configurations to match your specific installation requirements, making it the ideal choice for custom builds, retrofits, and OEM replacements.
Why Choose This Elkhart Plastics 50 Gallon Fresh Water Tank?
Seamless One-Piece Construction: Rotational molding creates a tank with no seams or joints, eliminating the most common failure points found in welded or multi-piece tanks. This manufacturing process ensures superior structural integrity and leak-free performance for years of reliable service.
Ultra Low Profile Design: At just 5.75" in height, this tank fits into tight spaces where standard tanks cannot, making it perfect for under-floor installations, horse trailer conversions, and marine applications with limited vertical clearance. The wide 60" x 36" footprint maximizes capacity while maintaining a minimal height profile.
FDA-Approved Food-Grade Material: Constructed from virgin polyethylene that meets FDA standards for potable water storage, ensuring your drinking water remains safe and free from contamination. The material is naturally resistant to stains, corrosion, rust, and bacterial growth.
Blank Tank Customization: Ships without pre-installed fittings, giving you complete control over outlet placement, sensor locations, and fill configurations. This flexibility is essential for custom installations where standard fitting patterns don't align with your specific needs.
Enhanced Durability: The 0.180" wall thickness provides exceptional impact resistance and structural strength, far exceeding the durability of standard factory-installed tanks. This robust construction withstands the rigors of road travel, temperature fluctuations, and years of continuous use.
Technical Specifications
- Capacity: 50 gallons
- Dimensions: 60" L x 36" W x 5.75" H
- Wall Thickness: 0.180 inches
- Material: FDA-approved polyethylene
- Construction: Seamless rotational molding
- Weight (Empty): Approximately 75 lbs
- Part Number: 4893/W1404000
- Barcode: 40544315
- Configuration: Blank (no fittings included)
- Color: Natural polyethylene
- Manufacturer: Elkhart Plastics/Ameri-Kart
Compatible Applications & Use Cases
RV & Motorhome Installations: Perfect for Class A, Class B, and Class C motorhomes requiring a low-profile fresh water solution. The wide footprint and minimal height make it ideal for under-floor mounting or basement storage compartments.
Horse Trailer Conversions: Provides reliable fresh water storage for living quarters in horse trailers, gooseneck trailers, and livestock haulers. The durable construction withstands the vibration and movement associated with trailer travel.
Marine & Boat Applications: Excellent choice for sailboats, powerboats, and marine vessels where space is at a premium. The corrosion-resistant material thrives in marine environments and won't degrade from saltwater exposure.
Custom Builds & Retrofits: The blank configuration makes this tank perfect for custom van conversions, tiny homes, off-grid cabins, and specialty vehicle builds where standard fitting patterns don't work.
Complete Your Fresh Water System
Building a complete fresh water system? We carry everything you need:
- Universal Fresh Water Tank Fittings Kit - Complete kit with water level sensors, outlets, and fill fittings designed specifically for blank tanks
- 39 Gallon Low Profile Tank (605W) - Smaller capacity option for tighter spaces (54x28x5.75)
- 98 Gallon Fresh Water Tank (171W) - Larger capacity for extended trips (64x26x15)
- 78 Gallon Fresh Water Tank (W1616) - Mid-size option with balanced dimensions (43x29x15)
Browse our complete selection of RV fresh water tanks to find the perfect size and configuration for your needs.
Compare 50 Gallon Fresh Water Tank Options
| Model | Dimensions (L x W x H) | Part Number | Best For | View Details |
|---|---|---|---|---|
| Elkhart Plastics 4893/W1404000 | 60" x 36" x 5.75" | 4893/W1404000 | Ultra low profile, wide footprint, blank customization | Current Product |
| Elkhart Plastics WT2453 | 38" x 22" x 14" | W1177000 | Balanced dimensions, IAPMO certified, standard RV mounting | View Details |
| Alpha VR31577WBLANK | 57" x 31" x 9" | VR31577WBLANK | Class A motorhomes, wide/shallow profile, 176BLANK replacement | View Details |
| MAKS 110009M | 31" x 57" x 7" | 110009M | Dual cone design, complete drainage, winterization, cold climates | View Details |
Helpful Tip: When selecting a fresh water tank, measure your available installation space carefully. Consider not just the tank dimensions, but also clearance needed for fittings, plumbing connections, and removal access. Low-profile tanks like the 4893/W1404000 are ideal when vertical space is limited, while tanks with more balanced dimensions may be easier to install in standard RV compartments.
Installation & Customization
This blank tank arrives without pre-installed fittings, allowing you to customize the configuration to your exact specifications. Common fitting installations include:
- Fresh water inlet with check valve
- Outlet fitting with screen filter
- Tank vent for proper air circulation
- Water level sensors (2-4 point monitoring)
- Drain valve for winterization and maintenance
- Overflow protection fitting
Professional installation is recommended to ensure proper fitting placement, secure mounting, and leak-free connections. Always follow local plumbing codes and RV industry standards when installing fresh water systems.
Maintenance & Care
To maximize the lifespan of your fresh water tank:
- Sanitize the tank at least twice per year using approved RV water system cleaners
- Drain completely before winter storage in freezing climates
- Inspect fittings and connections annually for signs of wear or leakage
- Avoid storing the tank in direct sunlight when not installed
- Use potable water hose and connections to prevent contamination
- Monitor water quality and replace if taste or odor develops
Frequently Asked Questions
What fittings do I need for this blank tank?
The required fittings depend on your specific installation, but most setups need an inlet, outlet, vent, drain valve, and water level sensors. Our Universal Fresh Water Tank Fittings Kit includes everything needed for a complete installation.
Will this tank fit my RV?
Measure your available installation space carefully. This tank requires a minimum footprint of 60" x 36" and 5.75" of vertical clearance. The ultra-low profile makes it ideal for under-floor installations where height is limited.
Is this tank safe for drinking water?
Yes, this tank is manufactured from FDA-approved polyethylene specifically designed for potable water storage. The material meets all safety standards for drinking water applications.
How do I install fittings in a blank tank?
Fittings are installed using hole saws to create openings at your desired locations, then secured with gaskets and threaded connections. We recommend professional installation to ensure proper sealing and placement.
What is the warranty on this tank?
Elkhart Plastics stands behind their manufacturing quality. Contact us for specific warranty details and coverage information.
Why Buy From Elkhart RV Parts?
- Authorized Dealer: We are an authorized distributor of genuine Elkhart Plastics products
- OEM-Grade Quality: Every tank meets or exceeds original equipment manufacturer specifications
- Expert Support: Our team has deep product knowledge to help you select the right tank - use our AI Live Chat for assistance
- Fast Shipping: Nationwide delivery with careful packaging to prevent damage
- Competitive Pricing: Direct pricing on premium RV components
- 30-Day Return Policy: Shop with confidence knowing you're protected
Order Your 50 Gallon Fresh Water Tank Today
Upgrade your RV, horse trailer, or marine vessel with a premium Elkhart Plastics 50 gallon fresh water tank. The ultra-low profile design, blank customization options, and FDA-approved construction make this the ideal choice for demanding applications where quality and reliability matter.
Need help with product selection or have questions? Use our AI Live Chat for deep product knowledge and expert assistance with tank sizing, fitting requirements, and installation guidance.
| Material | Polyethylene |
|---|---|
| Width (inches) | 36 |
| Height (inches) | 5.75 |
| Length (inches) | 60 |
| Capacity (gallons) | 50 |
| Wall thickness (inches) | 0.18 |
- What are the dimensions of the 50 gallon rv water tank? The tank measures 60 inches in length, 36 inches in width, and 5.75 inches in height.
- Is the 50 gallon rv water tank made from food-safe material? Yes, it is made from premium FDA-approved high-quality polyethylene, ensuring it is safe for drinking water storage.
- Does the 50 gallon rv water tank come with fittings included? No, the tank is sold blank without fittings, but fittings can be added upon request and quote.
- How is the 50 gallon rv water tank constructed? It is made using roto-molding, a rotational molding process that creates a seamless one-piece tank with uniform wall thickness for superior strength and leak-proof reliability.
- Is this water tank suitable for use in marine environments or horse trailers? Yes, this tank is versatile and ideal for RVs, horse trailers, and marine vessels, providing durable and hassle-free water storage.
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.