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Auxiliary Diesel Fuel Tanks -32 Gallon

Catalog Item # 72929
Internet SALE 
$507.97 SAVE $127.03

Reg $635.00

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Lower fuel costs and increase your driving range with an auxiliary fuel tank that mounts behind the cab in your pickup.
Made of no-rust diamond tread plated aluminum with internal baffles to reduce slosh, secure fill compartment to prevent theft and manual sight fuel gauge. Easily connects to pickup’s fuel line using optional install kit (sold separately). Fits under most tonneau covers and won’t interfere with 5th wheel towing. Meets DOT standards for diesel and bio-diesel. Bolts into truck bed with integrated mounting tabs. Models available for most popular pickups. Made in USA.


  • Extend your driving range
  • Shop for best fuel prices
  • Extra fuel supply for peace of mind on the road
  • Model available with built-in tool box
  • Models to fit all size pickups

Technical Specs

Tech Specs

Weight: 60 lbs.

Dimensions: 50"L x 20"W x 9"H

Manufacturer: Rds Manufacturing

Mfg Part #: 71804


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Q & A

Product Question & Answer

3 questions : 3 answers
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How do i vent a auxillary disel tank?
1 answer(s)
Will this fit in A 2012 dodge ram truck 3500?
1 answer(s)
Why don't you have size specs in the description
1 answer(s)

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