Best Aluminum Fuel Tanks For Semi Trucks

#1 · Best Overall

1. RDS MFG INC 70326 Tank

• Capacity: 69 gallons
• Material: Aluminum
• Weight: 16 oz

Best for: 69-gallon auxiliary fueling.

Why it ranks #1: Its 69-gallon capacity and stated auxiliary-fueling use suit fuel-range needs; RDS describes diesel gravity feed and lists 57 x 18 x 16-inch dimensions.

The 69-gallon capacity gives the RDS 70326 room for auxiliary fuel storage, while its 57-by-18-by-16-inch dimensions help buyers assess a long, comparatively narrow rectangular footprint. RDS also specifies gasoline auxiliary fueling when fuel is siphoned from the tank’s top with an electric fuel pump.

RDS describes diesel as able to gravity-feed from the bottom of its transfer tanks, offering a fueling approach that does not require the stated gasoline top-siphon method. For gasoline auxiliary fueling, the listing specifically calls for siphoning from the top with an electric fuel pump. The 57-by-18-by-16-inch dimensions help with bed-space planning, and 69 gallons provides the stated storage capacity. An optional diesel install kit is mentioned, but is not listed as included.

Skip it if you need a smaller 45-gallon aluminum tank with fully welded seams; the RDS 71083 matches that capacity and construction detail.

This RDS suits buyers seeking a 69-gallon rectangular auxiliary tank who can accommodate its 57-inch length. Note the distinct fueling instructions: gasoline requires an electric pump for top siphoning, while diesel is described as gravity-fed.

Listed on Amazon as: RDS MFG INC Rectangular Auxiliary Fuel Tank – 69 Gallon

#2 · Highest Capacity

2. RDS MFG INC 72118 Tank

• Capacity: 90 gallons
• Material: Aluminum
• Weight: 88 lb

Best for: Vertical 90-gallon storage.

Why it ranks #2: The 90-gallon aluminum tank offers substantial auxiliary-fuel capacity, fully welded seams, and stated diesel gravity-feed use.

The vertical configuration distinguishes the RDS 72118, offering 90 gallons in a tank measuring 60 by 14 by 26 inches. Rust-resistant aluminum and fully welded seams are specified, giving buyers clear construction details alongside dimensions for evaluating available truck-bed space.

The 60-by-14-by-26-inch dimensions describe a tall, narrow profile that can inform placement planning where width matters. RDS specifies rust-resistant aluminum construction and fully welded seams, pairing material resistance with a stated seam construction. Its 90-gallon capacity supports substantial fuel storage. RDS also describes diesel as gravity-fed from the bottom of its transfer tanks; gasoline auxiliary fueling instead requires top siphoning with an electric fuel pump, so fuel type affects the needed setup.

Skip it if you need a lower-profile tank with a stated 9-inch height; the RDS 71804 measures 50 by 20 by 9 inches.

This RDS suits buyers seeking 90-gallon capacity in a narrow, vertical tank with fully welded seams. Check the 26-inch height against available bed clearance, and account for the distinct gasoline and diesel fueling methods.

Listed on Amazon as: RDS MFG INC 72118 Vertical Transfer Fuel Tank – 90 Gallon Capacity 60" L x 14" W x 26" H, Silver Mill Finish Aluminum

#3 · Diesel Install Kit

3. Aluminum Tank Industries AUX30RIKC

Best for: 30-gallon kit-listed option.

Why it ranks #3: Its title specifies a 30-gallon diesel auxiliary tank with an install kit, making its stated fuel type and included installation component especially clear.

The included install kit is the clearest differentiator in the Aluminum Tank Industries AUX30RIKC listing, pairing a 30-gallon diesel auxiliary tank with installation components. The supplied product information identifies the model and capacity, making this a focused option for buyers seeking a smaller diesel auxiliary tank.

This product is identified as a 30-gallon diesel auxiliary tank, so its stated capacity gives buyers a clear limit for fuel storage. The title names an install kit, which distinguishes the package from listings that do not specify one and gives installation planning a concrete starting point. Aluminum Tank Industries supplies the brand and model identification, but the provided details do not describe tank dimensions, tank construction specifics, or the kit’s individual contents; buyers should assess those details before choosing it.

Skip it if you need a stated tank footprint before planning bed placement; the RDS 70326 lists dimensions of 57 by 18 by 16 inches.

Consider this Aluminum Tank Industries option if a 30-gallon diesel auxiliary tank and a title-listed install kit fit your needs. The supplied information leaves dimensions and kit contents unspecified, limiting installation planning.

Listed on Amazon as: 30 Gal Diesel Auxiliary Tank with Install Kit AUX30RIKC

#4

4. RDS MFG INC 71083 Tank

• Capacity: 45 gallons
• Material: Aluminum
• Weight: 42 lb

Best for: Compact 45-gallon aluminum tank.

Why it ranks #4: This 45-gallon aluminum tank is described as auxiliary and transfer fuel equipment, with fully welded seams and stated auxiliary-fueling use.

The 45-gallon capacity makes the RDS 71083 a smaller-storage option among these rectangular auxiliary tanks, while fully welded seams are its clearest construction feature. Aluminum construction is listed as non-rusting, and the product information also describes gasoline auxiliary fueling with a specific pump-based method.

RDS describes diesel fuel as able to gravity-feed from the bottom of its transfer tanks, while gasoline auxiliary fueling is allowed when siphoned from the top using an electric fuel pump. That distinction helps buyers match the tank to their intended fuel and fueling setup. The 45-gallon capacity provides a defined storage limit, and fully welded seams are specified for durability. Its aluminum construction is identified as non-rusting; dimensions are not supplied in the listed specifications.

Skip it if you need a 69-gallon RDS rectangular tank with stated 57-by-18-by-16-inch dimensions; the RDS 70326 supplies those measurements.

This RDS fits buyers who need 45 gallons of auxiliary or transfer storage and value fully welded seams. The listing does not provide dimensions, so bed-space planning requires information beyond the supplied product details.

Listed on Amazon as: RDS MFG INC 71083 Rectangular Auxiliary/Transfer Fuel Tank – 45 Gallon Capacity

#5 · Low-Profile Format

5. RDS MFG INC 71804 Tank

• Capacity: 37 gallons
• Material: Aluminum
• Weight: 77 lb

Best for: Low-profile 37-gallon tank.

Why it ranks #5: The 37-gallon aluminum auxiliary tank measures 50 x 20 x 9 inches, a notably shallow listed profile for buyers comparing available space.

At 9 inches high, the RDS 71804 has a notably shallow listed profile for a 37-gallon aluminum auxiliary tank, with dimensions of 50 by 20 by 9 inches. That measurement helps buyers assess vertical clearance while planning a truck-bed installation.

The 50-by-20-by-9-inch dimensions establish a long, shallow footprint, which may suit placement plans where tank height is a key constraint. RDS describes diesel fuel as able to gravity-feed from the bottom of its transfer tanks, while gasoline auxiliary fueling requires top siphoning with an electric fuel pump. The 37-gallon capacity sets its storage limit. The listing identifies compatibility with car vehicle types, so truck buyers should treat that stated vehicle category as a fit consideration.

Skip it if you need a listed truck-compatible tank; the Landrol 58-gallon tank specifically names Transportation Truck as its compatible vehicle type.

Consider this RDS if a 37-gallon tank with a 9-inch listed height suits your placement plan. Its compatibility listing names cars, so that stated vehicle category is a relevant boundary for semi-truck buyers.

Listed on Amazon as: RDS MFG INC Auxiliary Fuel Tank 37Gal – 71804

#6 · Built-In Toolbox

6. Vigorighter 51-Gallon Combo

• Capacity: 51 gallons
• Material: Aluminum

Best for: Pump-and-toolbox bed combo.

Why it ranks #6: It pairs a 51-gallon aluminum tank with integrated tool storage and a listed 12 GPM, 12V DC pump, though its pressure-relief instruction matters.

The integrated toolbox and 12 GPM, 12V DC pump make this Vigorighter unit a combined storage-and-transfer setup, rather than a tank alone. It holds 51 gallons and includes a 13-foot hose and auto nozzle, consolidating fuel storage, tool space, and listed dispensing equipment.

The 51-gallon aluminum tank is paired with a 31-by-19-by-8.8-inch toolbox, letting buyers allocate truck-bed space to both fuel and tools in one unit. The 12V DC pump is rated at 12 GPM, and the included 13-foot hose and auto nozzle provide specified dispensing components. The manufacturer’s note says to open the pressure relief valve when pumping and periodically during long-term storage to prevent vacuum collapse or deformation, making that operating step essential.

Skip it if you want a passive tank without a pump-and-toolbox combo; the Dee Zee DZ91753 lists a 110-gallon tank with mounting tabs.

Choose this Vigorighter for buyers who want powered fuel transfer, a toolbox, and a 51-gallon tank together. Allow for its listed overall footprint and follow the pressure-relief instructions during pumping and storage.

Listed on Amazon as: 51 Gallon Aluminum Fuel Transfer Tank Toolbox Combo with 12 GPM 12V DC Pump, Truck Bed Gas Tank for Gasoline Diesel Kerosene, 13Ft Hose, Auto Nozzle, Black

#7

7. Landrol 58-Gallon Tank

• Capacity: 58 gallons
• Material: Aluminum

Best for: Gauge-connected 58-gallon tank.

Why it ranks #7: The 58-gallon tank includes a sending unit and vent covers, but its listing explicitly says the tank has not been DOT certified.

A sending unit that connects to a fuel gauge is the Landrol tank’s useful differentiator, helping drivers check remaining capacity. Its 58-gallon aluminum body measures 59 by 13 by 17 inches, and the listing explicitly states that this fuel tank has not been DOT certified.

The listed oil pipes, vent covers, and sending unit provide the named components for fuel handling and gauge connection, while the gauge connection supports checking remaining capacity. Manual welding of joints and reinforcing covers is specified for strength. At 59 by 13 by 17 inches, the tank offers a long, narrow footprint for placement planning, and two straps allow it to be removed from the vehicle. The listing’s explicit non-certification statement is an important operating boundary for buyers.

Skip it if you require a DOT-certified tank; this Landrol listing explicitly says the tank has not been certified by DOT.

This Landrol suits buyers who value a gauge-connected sending unit and removable installation with two straps. Its 59-inch length needs placement planning, and the stated lack of DOT certification is a firm boundary.

Listed on Amazon as: 58 Gallon Aluminum Fuel Cell Tank Rectangular Transfer Fuel Tank Auxiliary Diesel Storage for Transportation Truck

#8

8. Dee Zee DZ91753 Tank

• Capacity: 110 gallons
• Material: Aluminum
• Weight: 100 lb

Best for: Large-bed transfer tank.

Why it ranks #8: Its 110-gallon aluminum tank has three stability baffles, a lockable cap, and mounting tabs, but it is described for non-flammable liquids.

The 110-gallon capacity is the defining advantage of Dee Zee’s DZ91753, giving truck-bed users substantial room for transporting non-flammable liquids. Its rectangular 48-by-24-by-24-inch footprint and mounting tabs make the tank’s bed placement and securement considerations clear before installation planning begins.

The .125-inch Brite-Tread aluminum construction is non-rusting, while the radius-curve design eliminates key weld pressure points; together, those features address material durability and stress points. Three stability baffles help stabilize the tank, and the included cap and venting coupler support closure and venting. A 3/8-inch drainage plug provides a drain point for maintenance. At 48 by 24 by 24 inches and 110 gallons, it suits buyers who can accommodate a sizable rectangular tank in the bed.

Skip it if you need a combined tank and tool-storage unit; the Dee Zee DZ92647B pairs a 92-gallon tank with a toolbox.

Choose this Dee Zee for truck-bed transport of non-flammable liquids when 110 gallons and a rectangular tank suit the job. Its 48-by-24-inch footprint and 100-pound listed weight are important placement considerations.

Listed on Amazon as: Dee Zee DZ91753 (106 gallon) Rectangle Transfer Tank – Aluminum

#9

9. Dee Zee DZ92656B Combo

• Capacity: 111 gallons
• Material: Aluminum
• Weight: 59 lb

Best for: High-capacity Dee Zee combo.

Why it ranks #9: This 111-gallon aluminum tank adds a toolbox and three stability baffles, but the product is described as a transfer tank for non-flammable liquids.

The 111-gallon capacity gives the Dee Zee DZ92656B the largest stated tank volume among these toolbox combos, while its bolted-on toolbox adds storage in the same unit. The black powder-coated Brite-Tread aluminum tank has an L-shaped 56.25-by-32.75-by-25.375-inch profile.

The 111-gallon tank and attached toolbox let buyers combine fuel transport with tool storage, while the L-shaped dimensions help assess whether the assembly fits a truck bed. Dee Zee specifies Brite-Tread aluminum with a black powder-coat finish and a radius-curve design that eliminates key weld pressure points. Three stability baffles, a lockable cap, .375-inch drainage plug, and venting coupler add stated features for stability, closure, draining, and venting during ownership.

Skip it if you need a smaller Dee Zee combo; the DZ92647B pairs a toolbox with a 92-gallon tank and a shorter 46.75-inch length.

This Dee Zee suits truck owners seeking high-capacity liquid storage plus a bolted-on toolbox. Its 111 gallons and broad L-shaped footprint make it important to plan bed placement before committing to the combo.

Listed on Amazon as: Dee Zee DZ92656B Black (111 gallon) Black Aluminum Combo Transfer Tank & Tool Box

#10

10. Dee Zee DZ92647B Combo

• Capacity: 92 gallons
• Material: Aluminum
• Weight: 138 lb

Best for: Tool storage with 92 gallons.

Why it ranks #10: The 92-gallon aluminum combo includes a toolbox, but its stated transfer-tank use for non-flammable liquids is a poor match for a fuel-tank search.

The bolted-on toolbox is the Dee Zee DZ92647B’s defining feature, combining tool storage with a 92-gallon transfer tank in one L-shaped aluminum unit. Its 46.75-by-32.75-by-25.375-inch dimensions give truck owners concrete measurements for evaluating bed space alongside the additional storage.

The .125-inch Brite-Tread aluminum tank has a black powder-coat finish, providing the listed material and surface treatment in a single combo unit. Three stability baffles support tank stability, while the lockable cap and venting coupler address closure and venting. The .375-inch drainage plug offers a drain point for maintenance. Because the toolbox is bolted onto the tank, buyers can consolidate tools and liquid storage, provided the L-shaped 46.75-by-32.75-inch footprint works in their truck bed.

Skip it if you need more than 92 gallons in a Dee Zee tank-and-toolbox combo; the DZ92656B holds 111 gallons.

Pick this combo for truck owners who want a 92-gallon transfer tank and bolted-on tool storage together. Its L-shaped dimensions and 138-pound listed weight make bed-space and handling planning relevant.

Listed on Amazon as: Dee Zee DZ92647B Black (92 gallon) Black Aluminum Combo Transfer Tank & Tool Box