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RDS
RDS 71790 Liquid Transfer Tank

RDS 71790 Liquid Transfer Tank

4.6· 16 ratings

Best price now

$849.42at TankAndBarrel.comObserved at 5:15 PM

23% under what the other stores charge

Compared across 5 stores. Prices are checked against each store and labelled with when.

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Our take on the RDS 71790 Liquid Transfer Tank

The RDS 71790 is a 91-gallon rectangular aluminum transfer tank for hauling gasoline or diesel in a truck bed. It is DOT-approved and made of aluminum, which resists rust better than steel and keeps weight down. At $849.42 at TankAndBarrel.com as of November 3, 2026, it sits at the low end of what the five stores listing it charge.

Best forFarmers and ranchers refueling equipment on siteContractors running diesel trucks and generatorsOwners of large trucks or flatbeds with room for a bed-mounted tankBuyers who want a rust-resistant aluminum tank
Pros
  • Aluminum construction resists corrosion and saves weight
  • DOT-approved for on-road fuel transport
  • 91-gallon capacity cuts down on refueling trips
  • Works with both gasoline and diesel
  • Compact 20-inch footprint leaves bed space
Cons
  • No pump or hose included at this price
  • Heavy when full: roughly 640 lb of fuel at 91 gallons
  • Must be properly vented and grounded during filling
  • Bed mounting hardware is a separate purchase

RDS 71790 Liquid Transfer Tank prices at every store

  • TankAndBarrel.comNew

    In stock

    $849.42Observed at 5:15 PM
    Visit store
  • WalmartNew

    In stock

    $1,084.09Observed at 5:15 PM
    Visit store
  • Tractor Supply CompanyNew

    In stock

    $1,099.99Observed at 5:15 PM
    Visit store
  • Midway TanksNew

    In stock

    $1,099.99Observed at 5:15 PM
    Visit store
  • eBayNew

    In stockSold by wundercarparts

    $1,306.03Observed at 5:15 PM
    Visit store

Also available at

  • CARiD.comCheck price at CARiD.com
  • Dalessuperstore.comCheck price at Dalessuperstore.com
  • Elite TruckCheck price at Elite Truck
  • Explosive PowersportsCheck price at Explosive Powersports
  • Northern ToolCheck price at Northern Tool
  • Parts ViaCheck price at Parts Via
  • RV & Auto PartsCheck price at RV & Auto Parts
  • Truck Covers MNCheck price at Truck Covers MN

RDS 71790 Liquid Transfer Tank price history

Lowest price we've seen: $849.42 on Nov 3 at TankAndBarrel.com. Tracked across 13 stores since Nov 3.

What reviewers say

Owners rate it highly, at 4.6 out of 5 from 16 ratings. Most praise the solid build and clean welds. A few mention fitment and hardware gripes.

Pros
  • Sturdy aluminum build with clean welds
  • Fits neatly in a truck bed
  • No leaks reported in normal use
Cons
  • Mounting hardware not included
  • Filler neck placement can be awkward in some beds

Specifications

Capacity
91 gal
Volume
90 Gallon
Depth
20 in
Height
19 in
Width
20 in
Typical Users
UNISEX
Container Material
Aluminum
Safety Certifications
DOT Approved
Fuel Type Compatibility
Gasoline, Diesel
Container Type
Tank

Questions and answers

Is the RDS 71790 worth it?
If you regularly haul fuel for equipment or a fleet, yes. At $849.42 at TankAndBarrel.com as of November 3, 2026, it is the cheapest of five listings, and aluminum resists rust far better than steel.
Does it come with a pump?
No. The tank ships as a bare tank, so budget for a transfer pump, hose and nozzle separately.
Can I use it for gasoline?
Yes. RDS rates it for gasoline and diesel, and it is DOT-approved for fuel transport. Check your state rules on gasoline transfer tanks before filling.
How much does it weigh when full?
Gasoline weighs about 6.1 lb per gallon, so 91 gallons adds roughly 555 lb. Diesel is heavier, around 7 lb per gallon, or about 640 lb.
What are the dimensions?
It measures 20 inches deep, 19 inches high and 20 inches wide, so measure your bed and tonneau clearance first.
When is it cheapest?
Fuel tanks rarely go on deep discount. Watch the price history and buy when a store drops below the current $849.42.
Where is the RDS 71790 Liquid Transfer Tank cheapest?
At TankAndBarrel.com, for $849.42, 23% under what the other stores charge, as of our latest check.
What do buyers say about the RDS 71790 Liquid Transfer Tank?
Rated 4.6 out of 5 from 16 ratings.
Where can I buy the RDS 71790 Liquid Transfer Tank?
13 stores we checked sell it, including TankAndBarrel.com, Walmart, Tractor Supply Company, Midway Tanks, eBay.