Skip to product information
1 of 2

SKU:AUX41R

ATI 41 Gallon Auxiliary Diesel Fuel Tank

ATI 41 Gallon Auxiliary Diesel Fuel Tank

Regular price $809.99
Regular price $959.99 Sale price $809.99
Sale Sold out
Quantity

Features

DOT Compliant: Meets and exceeds Title 49 CFR 393.65 standards for auxiliary diesel fuel tanks.

Extended Capacity: 41-gallon auxiliary tank increases driving range without sacrificing excessive bed space.

Durable Construction: Built from 0.125 in. thick bright aluminum treadplate with fully welded seams and internal baffles to reduce fuel slosh.

Gravity Feed Design: Transfers fuel using a gravity feed system—no pump required.

Proper Venting: Vented fitting allows consistent, unrestricted gravity flow.

Drain / Feed Port: 3/8 in. NPT drain fitting serves as the gravity feed outlet.

Secure Filler Cap: Automotive-style diesel filler cap provides reliable access.

Quality Tested: Each tank is visually inspected and pressure tested to ensure leak-free performance.

Clean and Ready: Cleaned inside and out prior to shipping.

Stable Mounting: Integrated mounting tabs support secure truck bed installation.

American Made: Manufactured in the USA using high-quality materials and fittings.

Warranty Backed: Covered by ATI’s 1-year manufacturer’s warranty.

Diesel Specific: Designed exclusively for auxiliary diesel fuel use.

Specs

Item Number: AUX41R

Brand: ATI

Manufacturer’s Warranty: 1 Year

Capacity: 41 Gallons

Shape: Rectangular

Material: Aluminum

Finish: Bright Aluminum (Black Powder Coat Optional)

Internal Baffles: Yes

Drain / Feed Fitting: 3/8 in. NPT

Vent: Gravity vented

Mounting Tabs: Integrated

Mounting Hardware Included: No

DOT Approved: Yes

Compatible With: Diesel Fuel Only

Country of Origin: USA

Share

View full details

Product Description

The ATI 41 Gallon Auxiliary Diesel Fuel Tank is a mid-capacity extended-range solution designed to increase diesel fuel capacity while maintaining usable truck bed space. This auxiliary tank connects to the factory fuel system using a Gravity Feed Installation Kit (sold separately), allowing diesel fuel to transfer naturally into the primary tank without the use of a pump.

Manufactured from premium aluminum, the tank is DOT approved for highway and commercial use, meeting and exceeding Title 49 CFR 393.65 requirements. Engineered specifically for auxiliary diesel fuel applications, ATI tanks deliver dependable, American-made performance for work trucks, fleet vehicles, and long-distance hauling.