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RDS Aluminum Auxiliary Fuel Tank, 20-Gallon, Rectangular, Diamond Plate, Model# 74551

Item# 59648
RDS Aluminum Auxiliary Fuel Tank, 20-Gallon, Rectangular, Diamond Plate, Model# 74551

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RDS Aluminum Auxiliary Fuel Tank, 20-Gallon, Rectangular, Diamond Plate, Model# 74551

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$599.99

  • Shipping: 

    Free shipping (lower 48 states) - Factory shipped

    Heavy/large item. Lift gate service available.

  • Store Pickup: 

    Not available - online only
  • Fits under a low profile toolbox
  • Overall 50in.L x 21in.W x 7in.H
  • 20-gallon capacity
  • Vehicle rollover safety valve (vent)
  • Front corner fill with lockable fuel cap

See full description

Complete Your Solution

  • RDS Aluminum Auxiliary Fuel Tank, 20-Gallon, Rectangular, Diamond Plate, Model# 74551
  • 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:

$892.96

Frequently Bought Together

  • Description

  • Key Specs

  • Reviews

  • Q & A

  • Accessories

  • Warranty

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Product Summary

This RDS 20-gallon auxiliary tank is a gravity-feed diesel tank that lets user increase their driving range and shop for better fuel prices. No more constant stopping when pulling a travel trailer or 5th wheel. Intended for highway use with diesel. Fits under a low profile toolbox. It is the user's responsibility to comply with local, state and federal requirements pertaining to safe transportation, loading, and discharging of tank contents. U.S.A.

What's Included

    (1) RDS Aluminum Auxiliary Fuel Tank -- 20-Gallon, (1) Mounting hardware kit

Features + Benefits

  • Fits under a low profile toolbox
  • Overall 50in.L x 21in.W x 7in.H
  • 20-gallon capacity
  • Vehicle rollover safety valve (vent)
  • Front corner fill with lockable fuel cap
  • Includes 3/8in. FPT drain plug
  • Internal baffles to reduce sloshing
  • Rustproof aluminum construction
  • Heavy-gauge mounting tabs
  • Tank made from heavy-duty 0.125-ga. aluminum
  • Fully welded seams
  • 100% pressure tested and submerged to test for leaks
  • Not intended for use with gasoline
  • Tank can be used to transport diesel
  • Tank meets DOT standards
  • Gravity feed diesel
  • Diesel install kits (Item#s 3490901, 3490902 and 43748), are also available (sold separately)

Key Specs

AttributeSpecification

item#

59648

Brand

RDS

Manufacturer's Warranty

12 months parts/12months labor

Ship Weight

95.0 LB

Capacity

20 Gal

Shape

Rectangle

Material

Aluminum
AttributeSpecification

Finish

Diamond Plate

Inlet Port

2 in

Outlet Port

3/8 in

UV Inhibitors

No

Mounting Hardware Included

Yes

DOT Approved

Yes

Compatible With

Diesel

Reviews

Questions & Answers

5 Reviews This action will navigate to reviews.

Questions

1–10 of 10 Questions  
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  1. Does the tank have baffles in it

    1 answer

    1. This will have internal baffles to reduce sloshing.

      Helpful?

  2. How tall is this tank from bottom to the top of the fuel fill cap? I have a tool box system that this will sit on top of and a bed cover with no more than 10” of space to work with.

    1 answer

    1. The overall height with the fill cap is 9-1/2''.

      Helpful?

  3. How does this tank attach to truck's fuel system for use without and external pump?

    1 answer

    1. You would use an auxiliary conversion kit that will go from the tank to your trucks fuel system. You would order the kit for your vehicle. See item #43748, 3490902 and 3490901.

      Helpful?

  4. One picture shows 3\8” drain in rear and one shows it in front which one is correct

    1 answer

    1. The drain would be located on the lower left hand side as seen in the first picture on the website.

      Helpful?

  5. Is this available in black?

    1 answer

    1. This fuel tank is not available in black.

      Helpful?

  6. Do I need to vent this tank to prevent stalling?

    1 answer

    1. The tank would have a vent on top, additional venting would not be required.

      Helpful?

  7. Can this tank be mounted flush against the front wall of the truck bed instead of on the floor of the bed?

    1 answer

    1. This fuel tank is designed to be mounted to the floor of the truck bed.

      Helpful?

  8. Is there any reason why I couldn't use this tank to store drinking water??

    1 answer

    1. This fuel tank is not approved for use with (and cannot be used to store) drinking water.

      Helpful?

  9. dimensions

    how tall is the tank including the vent? or where is the vent located. i have exactly 7 inches between my box and the bed.

    1 answer

    1. The tank itself is 7" high, the safety vent measures just under 1" above the tank. It is located on top of the tank as shown in the picture.

      Helpful?

  10. Would I be able to use this with regular gasoline

    1 answer

    1. This tank is only approved for diesel use. It cannot be used with gasoline.

      Helpful?

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Warranty

Manufacturer's Warranty

12 months parts/12months labor

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RDS Aluminum Auxiliary Fuel Tank, 20-Gallon, Rectangular, Diamond Plate, Model# 74551
5.0 out of 5 stars. 5 reviews

RDS Aluminum Auxiliary Fuel Tank, 20-Gallon, Rectangular, Diamond Plate, Model# 74551

Item # 59648

$599.99