75 Gallon Custom Roto-Mold RV Holding Tank (MPN: H-647)

Description

The Custom Roto-Mold 75 Gallon RV Holding Tank (Part# H-647) is engineered to provide reliable, high-capacity fluid storage for RVs, trailers, mobile restroom units, and off-grid systems. Its low-profile, wide-body design makes it an excellent choice for mounting in undercarriages or shallow compartments where vertical space is limited.

Manufactured using rotational molding technology, the tank features a seamless, one-piece polyethylene body that resists leaks, cracks, and structural fatigue. Made with FDA-approved resin, it complies with FDA Regulation 21 CFR 177.1520 (1) 3.1 and 3.2, ensuring safe use for potable water, greywater, or blackwater storage.

Whether you’re building out a new system or retrofitting an existing one, the Tank Superstore team is ready to support your project with expert guidance.

Key Features

• 75-Gallon Capacity: High-volume tank ideal for large RVs, mobile restrooms, or extended boondocking.
• Rotationally Molded Construction: One-piece design maximizes strength and prevents leaks.
• FDA-Compliant Resin: Safe for use with potable water, wastewater, or sewage.
• Low-Profile Footprint: Just 8" tall—perfect for tight or shallow spaces.
• Durable & UV-Resistant: Withstands road vibration, impact, and harsh weather.
• Blank Tank Design: Ships without fittings to allow full customization.
• Rugged Yet Lightweight: Weighs 37 lbs for easy installation and secure mounting.
• Made in the USA: Proudly manufactured in Oregon under strict quality control.
  

Specifications

• Product Type: RV Holding Tank
• Part Number: H-647
• Capacity: 75 Gallons
• Dimensions: 68" L x 40" W x 8" H
• Weight: 37 lbs
• Material: FDA-Compliant Polyethylene
• Wall Thickness: Approx. 0.25"
• Color: Natural (Translucent White)
• Fittings: Blank (No pre-installed fittings)
• Manufacturing Location: Oregon, USA
• Application: Potable Water, Greywater, or Blackwater
  

Shipping & Warranty

Shipping Information

• Manufacture Lead Time: 4-5 Week Lead Time 
  
• Ships From (State): ID
  

Products are subject to freight or parcel shipping costs. Shipping charges are calculated at checkout based on delivery location, product size, weight, and carrier requirements.

Each tank is manufactured and assembled in the USA using high-quality materials and strict quality control standards—built for long-term, dependable use in demanding applications.

Warranty Information

Warranty coverage varies by manufacturer and product type. For warranty details or to initiate a warranty claim, please contact Tank Supply Direct at info@tanksupplydirect.com.

Price Match Guarantee

If you find the 75 Gallon Custom Roto-Mold Holding Tank (H-647) offered at a lower price by any authorized competitor within 6 months, we’ll match the price and refund the difference.

Contact: info@tanksupplydirect.com