310 Gallon Rhino Tuff Tanks Double Ring Gravity Feed System No Valve (MPN: RTT-6500-NV)

Description

The 310 Gallon Stackable Fluid Storage System delivers a heavy-duty, space-efficient solution for storing and dispensing fluids in industrial, agricultural, and commercial environments. This system features one 310-gallon stackable tank, a tank stand with 24″ legs, and a drip tray kit to ensure safe and convenient fluid handling.

Constructed from natural virgin high-density polyethylene, this tank offers superior chemical resistance and durability. The design includes interlocking top and bottom ridges for secure stacking, an industry-exclusive molded-in 304 stainless steel drain fitting, and a built-in site gauge for easy fluid level monitoring.

This tank is compatible with other sizes in the stackable series, maximizing vertical storage capacity while maintaining fluid visibility and dispensing ease.

Key Features

• 310-Gallon Capacity: One large stackable tank mounted on a tank stand with 24″ legs.
• Secure Stackable Design: Interlocking ridges on the top and bottom provide stable, bracket-free stacking.
• Durable HDPE Construction: Made from natural virgin high-density polyethylene for outstanding chemical resistance and long service life.
• 304 Stainless Steel Drain Fitting: Features the industry’s only molded-in 1″ NPT stainless steel bushing at the drain opening—no aftermarket fittings necessary.
• Integrated Site Gauge: Semi-transparent tank walls with a molded-in fluid level gauge eliminate the need for external site gauges.
• Multiple Port Openings:
  • 2″ top opening for pump or vent applications
  • 1″ opening for desiccant breather or remote fill
  • 2″ center fill opening for easy refilling
• Mounting Ready: Six molded-in metal inserts allow attachment of a side-mount pump plate (sold separately).
• Standard Footprint: Shares a 3′ x 3′ base with other tanks in the series for stacking flexibility.
• No Conversion Brackets Needed: Compatible for stacking in any combination.
  

Specifications

• Shipping Weight: 295 lbs
• Shipping Dimensions: 44″ L x 36″ W x 77″ H
• Assembled Dimensions: 36″ L x 42″ W x 95″ H
• Footprint: Standard 3′ x 3′
• Material: Natural Virgin HDPE
• Drain Fitting: Molded-in 304 Stainless Steel 1″ NPT Bushing
• Number of Tanks: 1
• Application: Oil, DEF, Lubricants, Non-Potable Fluids
  
• Manufacturer: Rhino Tuff Tanks - Maple Lake, MN
• Manufacturer Part Number: RTT-6500-NV
• Ships From: Maple Lake, MN

Package Includes

• One (1) 310-Gallon Stackable Tank
• Tank Stand with 24″ Legs
• Drip Tray Kit
  

Applications

• Oil
• DEF
• Lubricants
• Non-Potable Fluids

Frequently Asked Questions

What are the dimensions?
Assembled Dimensions: 36″ L x 42″ W x 95″ H; Footprint: Standard 3′ x 3′.

How much does it weigh?
Shipping Weight: 295 lbs.

What's included?
One (1) 310-Gallon Stackable Tank; Tank Stand with 24″ Legs; Drip Tray Kit.

What can I use it for?
Oil; DEF; Lubricants; Non-Potable Fluids.

How long does it take to ship, and where does it ship from?
The manufacturer lead time is 2-5 Weeks, and it ships from Rhino Tuff Tanks in Maple Lake, Minnesota. Shipping is calculated at checkout.

What warranty does it come with?
Per Rhino Tuff Tanks: it carries a Limited Lifetime Warranty (Gravity Feed Systems). Coverage is against manufacturing defects.

Who makes it?
Rhino Tuff Tanks of Maple Lake, Minnesota (part number RTT-6500-NV). Tank Supply Direct sells and supports it.

Manufacturer Documents

• Rhino Tuff Tanks product page - 310 Gallon Gravity Feed Tank Package
• RTT Spec Sheet - 500396
• Rhino Tuff Tanks Gravity Feed System Installation & Assembly Instructions
• Rhino Tuff Tanks 2024 product catalog (PDF)

Shipping and Warranty

• Manufacture Lead Time: 2-5 Weeks
• Ships From (State): MN

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.

Warranty Information
Warranty period - Limited Lifetime Warranty (Rhino Tuff Tanks warranty period for Gravity Feed Systems).

Rhino Tuff Tanks Warranty Policy
Rhino Tuff Tanks (RTT) stands behind all of its products and will repair or replace, at its discretion, any product found to be defective due to a manufacturing defect. Items sold, but not manufactured by Rhino Tuff Tanks (including materials, equipment, or components such as pumps, hoses, valves, etc.) are subject to the warranty, if any, of the original manufacturer. Rhino Tuff Tanks will provide the purchaser with reasonable assistance in making any claim for breach of these warranties; however, if the original manufacturer denies such warranty claims, Rhino Tuff Tanks has no additional liability. Rhino Tuff Tanks is not responsible for fluid loss and/or associated cleanup costs. The warranty does not apply to any products that have been subjected to an accident, adjustment, improper installation, misapplication, misuse, modification, neglect, repair, including but not limited to improper maintenance, or use of unauthorized parts or attachments. Warranties and returns will not be honored without the original receipt of purchase and images of the damaged or defective product. Warranties do not apply to floor or display models, out-of-box models, and close-out or discontinued items.

For warranty details or to start a claim, contact Tank Supply Direct at info@tanksupplydirect.com. Source: Rhino Tuff Tanks warranty page