Skip to content
BLACK FRIDAY ALL MONTH LONG: The Seasons Best Prices Start Now. Shop Now >
Northern Tool Equipment Logo TextNorthern Tool Equipment Logo text link to Home.

Free Gift Card on All Orders Over $100 See Details

Use Promo Code 290259

Free Gift Card Details

$100 Order
$10
gift card
$250 Order
$25
gift card
$500 Order
$50
gift card
$1000 Order
$100
gift card
  • The promo code 290259 must be entered on the Shopping Cart page.
  • To qualify for this offer, your order subtotal must equal $100 or more. Excludes gift cards, free item offers, warranties, Advantage memberships, tax and shipping.
  • Free gift cards will be issued in the form of e-gift cards only, not physical gift cards.
  • E-gift cards will be sent to the email address used in your billing address when your order ships or is picked up.
  • Free e-gift cards expire 04/01/27.
  • Promo code not valid on prior purchases or on Honda and STIHL products and cannot be combined with other promotional offers.
  • Valid online and in participating retail stores.
  • Limited-time offer. Subject to change without notice.
Print

RDS Aluminum Auxiliary Fuel Tank Toolbox Combo, 90-Gallon Capacity, Rectangular Diamond Plate, Model# 72772

Item# 3490115
RDS Aluminum Auxiliary Fuel Tank Toolbox Combo, 90-Gallon Capacity, Rectangular Diamond Plate, Model# 72772

This is a carousel with one large zoomable image and a track of thumbnails on the left. Select any of the thumbnail buttons to change the zoomable image on the right. If a thumbnail is a video or 360 degree image thumbnail, or the last thumbnail in the list, the button will open the product media modal.

RDS Aluminum Auxiliary Fuel Tank Toolbox Combo, 90-Gallon Capacity, Rectangular Diamond Plate, Model# 72772

Click or Tap image to Zoom

$1779.99

  • Shipping: 

    Free shipping (lower 48 states) - Factory shipped

    Heavy/large item. Lift gate service available.

  • Store Pickup: 

    Not available - online only
  • Low-profile design works well with fifth wheels
  • Smaller than most 90-gal. fuel tanks
  • Gravity feed diesel
  • Built-in baffles reduce fuel sloshing during transport
  • Rust-free aluminum construction protects fuel from contamination

See full description

Complete Your Solution

  • RDS Aluminum Auxiliary Fuel Tank Toolbox Combo, 90-Gallon Capacity, Rectangular Diamond Plate, Model# 72772
  • RDS Diesel Install Kit for Auxiliary Transfer Tank Conversion, Fits 1999-Current Ford, 2011-Current Chevrolet and GMC and Dodge 1999-2012, Model# 011025
  • RDS Diesel Install Kit for Auxiliary Transfer Tank Conversion, Fits Chevy/GMC 1999-2010, Model# 011029
  • RDS Diesel Install Kit for Auxiliary Transfer Tank Conversion, Fits 2013-Current Dodge Diesel Passenger Trucks, Model# 011408
Price for all four:

$2072.96

Frequently Bought Together

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

  • Compare

Product Summary

This sturdy 90-Gal. RDS Aluminum Auxiliary Fuel Tank/Toolbox Combo provides extra fuel storage that allows for increased driving range. The auxiliary tank can be used as additional capacity for diesel truck fuel tank when connected with the RDS diesel install kit (sold separately). This combo tank includes a fuel cap, drain fittings, manual sight gauge, fuel filler shroud for safety, and baffles to reduce sloshing. The toolbox has a linked stainless steel lock that also secures fuel fill to prevent tampering. Two cylinders hold the crowned lid open. Aluminum diamond plate. Meets DOT standards. Made in the USA

What's Included

    (1) Fuel tank toolbox combo

Downloads

Product Manual

Features + Benefits

  • Low-profile design works well with fifth wheels
  • Smaller than most 90-gal. fuel tanks
  • Gravity feed diesel
  • Built-in baffles reduce fuel sloshing during transport
  • Rust-free aluminum construction protects fuel from contamination
  • Sight gauge allows you to quickly determine fuel level
  • Large 2in. fill spout allows for faster fillups
  • 3/8in. FPT drain plug
  • 100% pressure-tested and leakfree
  • includes vent
  • Secure fill compartment helps prevent theft
  • Extra fuel capacity allows for increased driving range
  • Toolbox lid will need to be approx. 1 1/4in. from the back bed to open properly
  • Fits some short beds; please measure before ordering
  • Diesel install kits (Item#s 3490901, 3490902 and 43748), are also available (sold separately)
  • It is the user's responsibility to comply with local, state and federal requirements pertaining to safe transportation, loading and discharging of tank contents
  • Not intended to be used for gasoline

Key Specs

AttributeSpecification

item#

3490115

Brand

RDS

Manufacturer's Warranty

12 months parts/12months labor

Ship Weight

178.0 LB

Capacity

90 Gal

Shape

Rectangle

Material

Aluminum
AttributeSpecification

Finish

Diamond Plate

Inlet Port

2 in

Outlet Port

2 in

Mounting Hardware Included

Yes

DOT Approved

Yes

Product Weight

125 lb

Reviews

Questions & Answers

4 Reviews This action will navigate to reviews.

Questions

Accessories We Recommend

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.

Warranty

Manufacturer's Warranty

12 months parts/12months labor

Recently Viewed Items

This is a carousel with auto-rotating slides. Activate any of the buttons to disable rotation. Use Next and Previous buttons to navigate, or jump to a slide with the slide dots.

RDS Aluminum Auxiliary Fuel Tank Toolbox Combo, 90-Gallon Capacity, Rectangular Diamond Plate, Model# 72772
3.5 out of 5 stars. 4 reviews

RDS Aluminum Auxiliary Fuel Tank Toolbox Combo, 90-Gallon Capacity, Rectangular Diamond Plate, Model# 72772

Item # 3490115

$1779.99