Skip to content
RDS 51 Gallon Auxiliary Tank & Toolbox Combo Bright Aluminum 50X20X19 Model # 72746

RDS 51 Gallon Auxiliary Tank & Toolbox Combo Bright Aluminum 50X20X19 Model # 72746

SKU 72746
$1,591.65
$1,591.65 - $1,591.65
$1,591.65
$1,326.38
$1,591.65
$1,326.38 - $1,326.38
$1,326.38
Save $265.27
In Stock

RDS 51 Gallon Auxiliary Tank & Toolbox Combo Bright Aluminum 50X20X19 Model # 72746

The RDS auxiliary fuel tank is designed to feed the main fuel tank of your truck to increase driving range. Long distance drivers all over the world love the RDS auxiliary tank because it allows you to travel further with less stops, save money by purchasing fuel where it is cheaper, and avoid having to navigate a large load into a tight gas station.

The RDS auxiliary fuel tank will mount securely in the back of your truck and then can be connected to your factory fuel system using the RDS gravity feed diesel kit (Not Included). This tank comes with a tool box on top for storage of tools and supplies.

This auxiliary fuel tank comes with a lockable fuel cap, drain fitting, withdraw fitting, safety vent, sight gauge, and internal baffles to reduce sloshing. All RDS tanks meet DOT standards and are proudly made in the USA.

It is the user’s responsibility to comply with local, state and federal requirements pertaining to safe transportation, loading and discharging of tank contents.

  • Heavy duty mounting tabs allows the tank to be securely mounted to your truck
  • 100% pressure tested by the manufacturer for safety
  • Fully welded seams make for a very strong design and eliminate the chance of a leak
  • Rust-resistant aluminum construction will not rust or corrode 
  • Sizable toolbox with heavy duty stainless latches for storage on top of tank
Damage Free

Less Than 1% Damage Rate on RDS Products

Made In The USA

RDS Tanks Are Proudly Made In The USA

Chat With Us

The Most Knowledgeable Fuel Tank Reps

The Best Prices

Our Out-The-Door Pricing Can't be beat.

RDS: Top of Class Fuel Tanks

RDS: Top of Class Fuel Tanks

RDS makes quality aluminum truck fuel tanks, utilizing over 50 years of crafting aluminum products. RDS transfer and auxiliary are one of the most popular fuel tanks across many industries and for personal use. Increase your vehicles driving range with an auxiliary tank and refuel other vehicles or gear with a transfer tank.

RDS Tank/Box Combo Features

RDS Tank/Box Combo Features

RDS transfer tank tool box combos feature a 2" female pipe thread coupling, accommodating a transfer pump. (Pump not included with all models, see product description). A DOT permit allows RDS tanks to transport diesel, gasoline, or aviation fuel. The 1/8" heavy-duty aluminum construction prevents rust from forming and ruining your tank.

Each tank combo has built-in baffles, reducing fuel sloshing. Locking gas caps keep your fuel secure and only for your use & prevent tampering. All tank toolbox combos feature two lift cylinders to hold open the crowned lid. Diesel install kits are available for diesel gravity feed (sold separately). The rollover valve (pressure relief vent) increases safety in case of a rollover.

Why Buy RDS From Elite Truck?

Why Buy RDS From Elite Truck?

For the last several years Elite Truck has been one of the largest online retailers for the RDS brand. Customers buy from us because any purchase from EliteTruck.com comes with the industry's most comprehensive product & service guarantee. We cover any type of shipping issues or shipping damage 100%. Our industry leading customer support team is here to make sure you have a great purchasing experience.

Other Recommended RDS Products

$122.15
$122.15 - $122.15
$122.15
$101.79
$122.15
$101.79 - $101.79
$101.79

Diesel Gravity Feed Install Kit for Auxiliary & Transfer Fuel Tanks Ford (1999-Current), Chevy/GMC (2011-Current), Dodge (1999-2012) 1½", Nissan Titan XD (2016-Current) Fill Line Model 011025

Diesel Gravity Feed Install Kit for Auxiliary & Transfer Fuel Tanks Ford (1999-Current), Chevy/GMC (2011-Current), Dodge (1999-2012) 1½", Nissa...

View full details
$122.15
$122.15 - $122.15
$122.15
$101.79
$122.15
$101.79 - $101.79
$101.79
$135.17
$135.17 - $135.17
$135.17
$112.64
$135.17
$112.64 - $112.64
$112.64

Diesel Gravity Feed Install Kit for Auxiliary & Transfer Fuel Tanks Dodge (2013-Current) 1¾" Fill Line Model 011408

Diesel Gravity Feed Install Kit for Auxiliary & Transfer Fuel Tanks Dodge (2013-Current) 1¾" Fill Line Model 011408 Designed to connect your RD...

View full details
$135.17
$135.17 - $135.17
$135.17
$112.64
$135.17
$112.64 - $112.64
$112.64
$2,355.89
$2,355.89 - $2,355.89
$2,355.89
$1,963.24
$2,355.89
$1,963.24 - $1,963.24
$1,963.24

RDS 60 Gallon Transfer Tank & Toolbox Combo With 8 GPM Pump Bright Aluminum 55X20X22.75 Model # 73326

RDS 60 Gallon Transfer Tank & Toolbox Combo With 8 GPM Pump Bright Aluminum 55X20X22.75 Model # 73326 The RDS transfer tank is designed for tr...

View full details
$2,355.89
$2,355.89 - $2,355.89
$2,355.89
$1,963.24
$2,355.89
$1,963.24 - $1,963.24
$1,963.24
$1,726.52
$1,726.52 - $1,726.52
$1,726.52
$1,438.76
$1,726.52
$1,438.76 - $1,438.76
$1,438.76

RDS 60 Gallon Transfer Tank & Toolbox Combo Black Aluminum 55X20X19.5 Model # 72548PC

RDS 60 Gallon Transfer Tank & Toolbox Combo Black Aluminum 55X20X19.5 Model # 72548PC *This tank is designed to be used with GPI pump Part Num...

View full details
$1,726.52
$1,726.52 - $1,726.52
$1,726.52
$1,438.76
$1,726.52
$1,438.76 - $1,438.76
$1,438.76
$2,273.27
$2,273.27 - $2,273.27
$2,273.27
$1,894.39
$2,273.27
$1,894.39 - $1,894.39
$1,894.39

RDS 95 Gallon L Shape Transfer Tank & Toolbox Combo Black Aluminum 48X32X26 Model # 72367PC

RDS 95 Gallon L Shape Transfer Tank & Toolbox Combo Black Aluminum 48X32X26 Model # 72367PC The RDS L-shape transfer tank is designed for tran...

View full details
$2,273.27
$2,273.27 - $2,273.27
$2,273.27
$1,894.39
$2,273.27
$1,894.39 - $1,894.39
$1,894.39
The Elite Promise

The Elite Promise

We promise to make it right 100% of the time. We'll take care of any damages or defects, no matter the issue. Just contact our highly-rated USA-based commercial customer service team. Know any purchase from EliteTruck.com comes with the industry's most comprehensive product & service guarantee.

1718

Customer Reviews

Be the first to write a review
0%
(0)
0%
(0)
0%
(0)
0%
(0)
0%
(0)

RDS 51 Gallon Auxiliary Tank & Toolbox Combo Bright Aluminum 50X20X19 Model # 72746

The RDS auxiliary fuel tank is designed to feed the main fuel tank of your truck to increase driving range. Long distance drivers all over the world love the RDS auxiliary tank because it allows you to travel further with less stops, save money by purchasing fuel where it is cheaper, and avoid having to navigate a large load into a tight gas station.

The RDS auxiliary fuel tank will mount securely in the back of your truck and then can be connected to your factory fuel system using the RDS gravity feed diesel kit (Not Included). This tank comes with a tool box on top for storage of tools and supplies.

This auxiliary fuel tank comes with a lockable fuel cap, drain fitting, withdraw fitting, safety vent, sight gauge, and internal baffles to reduce sloshing. All RDS tanks meet DOT standards and are proudly made in the USA.

It is the user’s responsibility to comply with local, state and federal requirements pertaining to safe transportation, loading and discharging of tank contents.

  • Heavy duty mounting tabs allows the tank to be securely mounted to your truck
  • 100% pressure tested by the manufacturer for safety
  • Fully welded seams make for a very strong design and eliminate the chance of a leak
  • Rust-resistant aluminum construction will not rust or corrode 
  • Sizable toolbox with heavy duty stainless latches for storage on top of tank