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Questions? Call or Text our US based team: 800-964-5341
Questions? Call or Text our US based team: 800-964-5341

BCI Rectangular Steel Fuel Tank Toolbox Combo


Questions? Call our US Based team: 1-800-964-5341 (9am-9pm; 7 days a week)

Original price $1,562.40 - Original price $2,138.40
Original price
$1,562.40 - $2,138.40
Current price $1,562.40

2 to 3 week estimated lead time

Please call or use the Request Custom Quote form (below) for the most current lead times.

Ask a question / check current lead times.

BCI Fabrication rectangular steel tank toolbox combos are designed to fit both short and long bed trucks. The rectangular tank toolbox combo comes standard with a 10 inch toolbox welded above a diesel fuel tank. 

The BCI L rectangular tank toolbox combo is designed with heavy duty baffling, 12 gauge mild steel, and sports a sleek charcoal black finish. The charcoal black finish is supported by a long lasting and durable polyurea coating.

Note: Not DOT approved to carry gasoline.

The rectangular tank toolbox combos are available in the standard and premium series.

  • Standard series rectangular tank toolbox combos include a top mounted oil cage for added storage and can be upgraded with a larger 13 inch or 18 inch toolbox.
  • Premium series rectangular tank toolbox combos offer unique design modifications not available on the standard series line-up.

Standard Series Rectangular Diesel Tank Toolbox Sizes:

*The below length represents the length of the lower fuel tank.  The upper toolbox has a 60 inch length.

  • 50 gallon - 48"L x 27"W x 21.5"H; 268 pounds / fits short bed.
  • 70 gallon SB - 48"L x 29"W x 23"H; 305 pounds / fits short bed.
  • 70 gallon - 57"L x 27"W x 22"H; 305 pounds / does not fit short bed.
  • 90 gallon - 56"L x 35"W x 22"H; 345 pounds / does not fit short bed.
  • 100 gallon48"L x 36"W x 22"H; 330 pounds / fits short bed.
  • 100 gallon R - 48"L x 36"W x 22"H; 330 pounds / fits short bed.

SB stands for short bed.  If you have a short bed truck, choose the 50 gallon, 70 gallon SB, 100 gallon or 100 gallon R sizes.

The 100 gallon R tank is a reversed design of the 100 gallon tank designed to make it easier to access the toolbox and pushes the fill neck and fuel pump closer to the cab.

The upper 10 inch toolbox has dimensions of: 60"L x 18"W x 10"H. On tanks designed for short bed trucks, the toolbox is designed to sit above the wheel wells. The lower fuel tank length is designed to pass between the wheel wells on short bed trucks.

Optional Toolbox Upgrades (only available on standard series toolboxes):

  • Standard 10" toolbox: 60"L x 18"W x 10"H
  • Optional 13" toolbox: 60"L x 18"W x 13"H
  • Optional 18" toolbox: 60"L x 18"W x 18"H

Note: the optional Fill Rite fuel pump is approx. 12 inches high.

BCI Rectangular Tank Toolbox Features:

  • Durable 12 gauge steel design.
  • Sleek charcoal black finish.
  • 3 year limited warranty.
  • Fully baffled to reduce movement of contents.

BCI Rectangular Tank Toolbox Combo Standard Series Spec Sheets:

Other Fuel Tank Options:

Where are BCI Fabrication tanks made?

BCI Fabrication is a US manufacturer located in Beaver, Oklahoma.

Estimated Product Handling: 2 to 3 days

Tank Retailer offers a 30 day return policy for all products. Please see our Return & Refund Policy for more information.

Provided that the Customer registers his or her product using the online registration form provided at, BCI Fabrication, LLC warrants that said product(s) will be free from defects in material or workmanship upon delivery and for three (3) years immediately thereafter (the

As Customer's sole remedy for breach of the Warranty, BCI Fabrication will replace the goods with replacement goods of equal or comparable value, or repair the goods, at BCI Fabrication's sole option
within 2 weeks of request of replacement.