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RDS Aluminum Auxiliary Fuel Tank — 40-Gallon, Rectangular, Diamond Plate, Model # 70387

Item# 349004
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RDS Aluminum Auxiliary Fuel Tank — 40-Gallon, Rectangular, Diamond Plate, Model # 70387

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Was $439.99
Sale $419.99

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  • Tank has a withdraw tube, return and drain fitting
  • Blank plate allows for the mounting of a gauge sending unit
  • Front corner fill
  • Diesel install kits (Item#s 43748, 3490901 and 3490902), are also available (sold separately)
  • 3/8in. FPT with aluminum plug
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Factory Shipped —
Estimated Delivery: 7 - 9 Business Days
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Product Summary

This RDS Manufacturing 40-gal. auxiliary tank is intended to expand a vehicle’s fuel capacity, not for the transfer of fuel. Intended for highway use with non-hazardous fluids and fluids with a flashpoint greater than 100°F. 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) Auxiliary fuel tank

Features + Benefits

  • Tank has a withdraw tube, return and drain fitting
  • Blank plate allows for the mounting of a gauge sending unit
  • Front corner fill
  • Diesel install kits (Item#s 43748, 3490901 and 3490902), are also available (sold separately)
  • 3/8in. FPT with aluminum plug
  • Internal baffles to reduce sloshing
  • Heavy gauge mounting tabs
  • Rust-resistant aluminum construction
  • 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, water, fertilizer, oil , and bio fuel
  • Tank meets DOT Standards
Key Specs
Item# 349004
Brand RDS
Manufacturer's Warranty 1 year Limited Warranty
Ship Weight 84.0 lbs
Tank Size (gal.) 40
Compatible With Diesel
Shape Rectangle
Tank Dimensions L x W x H (in.) 60 x 20 1/2 x 9
Overall Dimensions L x W x H (in.) 60 x 21 1/2 x 11 1/2
Material Type Aluminum
Finish Type Diamond plate
DOT Approved Meets DOT standards

Customer Reviews

Product Question + Answer
Accessories Frequently Purchased with this Item
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RDS Diesel Install Kit for Auxiliary Diesel Fuel Tank — Fits Chevy/GMC 1999–2010, Model# 011029
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Replacement Parts
Call To Order: 1-800-657-0516

Mon - Fri 7:00 AM - 6:00 PM (Central)
Sat 7:00 AM - 3:00 PM (Central)

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RDS Aluminum Auxiliary Fuel Tank — 40-Gallon, Rectangular, Diamond Plate, Model # 70387 The price is $419.99.
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Hide Similarities
Tank Size (gal.) 20 40 32 63 60
Compatible With Diesel Diesel Diesel Diesel Diesel
Shape Rectangle Rectangle Rectangle Wedge Rectangle
Tank Dimensions L x W x H (in.) 20 x 14 x 18 60 x 20 1/2 x 9 50 x 20 x 9 50 x 18 x 19 55 x 20 x 12 3/4
Overall Dimensions L x W x H (in.) 22 x 14 x 20 1/2 60 x 21 1/2 x 11 1/2 52 x 21 x 11 1/2 52 x 19 x 21 1/2 57 x 21 x 15 1/4
Outlet Diameter (in.) 3/8 - 3/8 FPT - 3/8 drain fitting
Inlet Diameter (in.) 2 - 2 - 2
Material Type Aluminum Aluminum Aluminum Aluminum Aluminum
Finish Type Smooth Diamond plate Diamond plate Diamond plate Diamond plate
Mounting Hardware Included Yes, mounting bracket - Yes, mounting tabs Yes Yes, mounting tabs
DOT Approved Meets DOT standards Meets DOT standards Meets DOT standards Meets DOT standards Meets DOT standards