Custom Aluminum Fuel Tanks for Boats

Use this product page to get an instant quote on your new aluminum boat fuel tank and complete your purchase. Our aluminum tanks are professionally designed and built to the highest industry standards.

The post below will explain all the details about the design, build, and customization process with a lot more information that can fit on this product page. If you have any additional questions, feel free to contact us at any time!

Instructions for Ordering

  1. Read the detailed post about boat fuel tank design and construction.
  2. Identify your general tank shape.
  3. Fill out options for tank configuration.
  4. Enter maximum dimensions of the tank for length, width, depth, thickness, and alloy type.
  5. Complete your purchase online and standby to start the design & build process.
  6. We will send the 1st construction drawing for review and approval within 2-3 business days of your order.
  7. The tank will take approximately 2 weeks to build and ship after you approve the final construction drawing.
  8. Freight delivery times are 2-5 days depending on proximity to our location.

Fuel tank installation kits and accessories available here.

Standard on all tanks:

  • Pickup tubes and 3/8″ NPT pickup ports.
  • Vent fitting with 5/8″ hose barb
  • Fill fitting with 1.5″ hose barb
  • WEMA Reed-style Sending Unit (5-bolt SAE standard, 1.5″ FNPT optional)
  • Mounting tabs and lifting eyes per your specification.
  • Tab for tank bonding/grounding wire.
  • Construction and testing per ABYC/USCG requirements
  • Internal baffling requirements are automatically calculated in your price.

Options that affect the price:

  • Choose tank thickness from 1/8″, 3/16″, or 1/4″ plate.
  • Choose material grade: 5052 or 5086.
  • Freight shipping vs local pickup.

Add-ons purchased separately

This link will bring you to our fuel system parts and accessories for items you can purchase to complete your new fuel tank installation.

  • Fuel hose and hose fittings
  • Valves
  • Inspection hatches
  • Installation tools

You have the option to select “Local Pickup” or “Freight” shipping. Local pickups will be charged sales tax at our physical location in St. Tammany Parish, Louisiana (8.7%) and you will be notified when your tank is complete and ready for pickup.

Freight shipping is calculated based on our historical data of the cost to ship tanks of a particular value and size. Small tanks may be shipped via UPS ground, but most tanks must be shipped on a pallet with a freight carrier. Freight shipping on a pallet is the safest shipping method for the tank.

We always reconcile shipping costs with the customer so you are charged a fair and accurate price. If our actual cost is less than what you paid, you will receive a refund on your shipping. If you underpaid, we will send an invoice for the additional amount. We check the freight price to your shipping address during the drawing review process so it won’t be a surprise at delivery time.

Get instant FREE quoting and purchasing below by filling out your tank specifications. The price will generate at the bottom after you fill out all the tank options below. 

$100.00

The lead time for this product is approximately 4 weeks

Describe any relevant information about the shape, size, configuration of fittings, and installation situation. This will assist us in jump-starting the design process.

Upload photos of the existing tank and drawings or sketches.

(max file size 512 MB)

Upload photos of the existing tank and drawings or sketches.

(max file size 512 MB)

Upload photos of the existing tank and drawings or sketches.

(max file size 512 MB)

Specify Your Requirements

Tank Shape*
Length of Tank (in)*
Width of Tank (in)*
Depth of Tank (in)*
Thickness of Tank (in)*
Aluminum Grade*
Total Number of Pickups & Returns*
Tank Contents*

Calculated Results

SKU: CUSTOMTANK Category: Tags: , , , , , , ,
Fuel Tank Photo Gallery

40 gallon utility tank for a work boat. This tank measures 24x21x19 in .188” 5052 and cost $931. #fueltank

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40 gallon utility tank for a work boat. This tank measures 24x21x19 in .188” 5052 and cost $931. #fueltank

A pair of twin 126 gallon 1996 Cape Horn 27 tanks. These tanks measure 50x42x19 in .188” 5052 aluminum and cost $2055 each less a 10% discount for ordering 2 identical or mirrored tanks. #capehornboats #capehorn27 #fueltank

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A pair of twin 126 gallon 1996 Cape Horn 27 tanks. These tanks measure 50x42x19 in .188” 5052 aluminum and cost $2055 each less a 10% discount for ordering 2 identical or mirrored tanks. #capehornboats #capehorn27 #fueltank

The tapered belly tank, narrow at the bow and broadening up and changing depth at the stern. 6 bends, all unparallel with the centerline to maximize capacity and fit to the hull shape. We started with the customer’s wood mock-up dimensions, adjusted the design for metal bending, and knocked it out with perfect fit up and weld out. This tank measures 81x30x8 in .188” 5052, holding 52 gallons, and priced at $1747 plus about $340 to ship to Texas. Customize your tank and get instant pricing and checkout on our website in less than 30 seconds. #fueltank #marinefabrication #aluminumwelding

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The tapered belly tank, narrow at the bow and broadening up and changing depth at the stern. 6 bends, all unparallel with the centerline to maximize capacity and fit to the hull shape. We started with the customer’s wood mock-up dimensions, adjusted the design for metal bending, and knocked it out with perfect fit up and weld out. This tank measures 81x30x8 in .188” 5052, holding 52 gallons, and priced at $1747 plus about $340 to ship to Texas. Customize your tank and get instant pricing and checkout on our website in less than 30 seconds. #fueltank #marinefabrication #aluminumwelding

132 gallon tank for a Sea Ray boat heading to Georgia. This tank measures 58x24x24 in 3/16” 5052 with 2 pickups and 2 returns. The price was $1756 and $215 to ship. #fueltank #searayboats

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132 gallon tank for a Sea Ray boat heading to Georgia. This tank measures 58x24x24 in 3/16” 5052 with 2 pickups and 2 returns. The price was $1756 and $215 to ship. #fueltank #searayboats

An interesting pair of 250 gallon fuel tanks for a Charleston sportfishing boat. These 2 tanks are split to allow for install (original tank had to be cut out) and they bolt and plumb together to add up to 503 gallons total. The cavity was laser scanned and tanks designed to maximize fuel capacity, hence the complicated shape. The bill was $7900 for the tanks and about $750 to ship. We have instant fuel tank quoting on our website whether you need 5 gallons or 500. Try it out! 🔥 #fueltank #sportfishing #charlestonfishing @rhodesyachtdesign

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An interesting pair of 250 gallon fuel tanks for a Charleston sportfishing boat. These 2 tanks are split to allow for install (original tank had to be cut out) and they bolt and plumb together to add up to 503 gallons total. The cavity was laser scanned and tanks designed to maximize fuel capacity, hence the complicated shape. The bill was $7900 for the tanks and about $750 to ship. We have instant fuel tank quoting on our website whether you need 5 gallons or 500. Try it out! 🔥 #fueltank #sportfishing #charlestonfishing @rhodesyachtdesign

2 commercial diesel tanks heading to a tour boat in Hawaii. These 150 gallon tanks measure about 72x23x23 from 0.250” 5052 and cost $2626 each. We developed the engineering drawings for USCG MSC approval and they were inspected during construction and pressure testing by our local USCG station. #fueltank

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2 commercial diesel tanks heading to a tour boat in Hawaii. These 150 gallon tanks measure about 72x23x23 from 0.250” 5052 and cost $2626 each. We developed the engineering drawings for USCG MSC approval and they were inspected during construction and pressure testing by our local USCG station. #fueltank

Switching gears to a beefy 12 gallon portable tank made from 1/4” 5052. Direct fill with a billet machined vented cap and direct read gauge. This tank cost about $700 plus shipping. #fueltank #aluminumwelding #marinefabrication

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Switching gears to a beefy 12 gallon portable tank made from 1/4” 5052. Direct fill with a billet machined vented cap and direct read gauge. This tank cost about $700 plus shipping. #fueltank #aluminumwelding #marinefabrication

We’re entering the Lake Powell houseboat toy tank capacity race. These twin 500 gallon tanks are 72”x60”x28” and made from 1/4” plate at a price of $4520 each. You need a lot of gas to run the new wake surf boats for a week and apparently many of the fuel docks have closed down, so you have to carry it with you! #fueltank #houseboat #lakepowellhouseboats #lakepowell #toytank

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We’re entering the Lake Powell houseboat toy tank capacity race. These twin 500 gallon tanks are 72”x60”x28” and made from 1/4” plate at a price of $4520 each. You need a lot of gas to run the new wake surf boats for a week and apparently many of the fuel docks have closed down, so you have to carry it with you! #fueltank #houseboat #lakepowellhouseboats #lakepowell #toytank

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