Diesel Fuel Tanks: Cylinder, Rectangle and D-Style


The designs of diesel fuel tanks are based on their placement, their required shape and the calculations involved in their volume capacities. In trucks, diesel fuel tanks are usually installed as a side mounting, using straps, brackets, or both to attach the diesel fuel tank to the frame of the truck.

Choosing the tank’s shape is usually influenced both by the desire to maximize fuel volume capacity in the tank as well as the pursuit of style. Shapes most commonly used for the manufacture of diesel fuel tanks include the cylinder, the rectangle and the D-Style.

Cylindrical tank designs are popular because of their visual appeal. The rectangular diesel tank, on the other hand, is most often used to maximize the volume of fuel for a given placement space. The D-style tank is a combination of the previous two designs. It has both the curved stylish appeal of the cylindrical tank as well as the significant fuel volume capacity offered by the rectangular diesel tank.

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Using a D-style tank over the cylindrical diesel fuel tank can increase fuel capacity by forty six percent. In calculating the volume requirement, one should start by assessing how much available space there is. Calculating a cylinder’s volume is easy enough; what is complex is calculating a rectangular tank’s volume because of its rounded corners. The design must accommodate the loss in volume caused by the corners’ radius.

Materials and Construction

Selecting the proper material is a crucial consideration in diesel fuel tank production. Three of the most commonly used materials in manufacturing these tanks include steel, stainless steel, and aluminum. Regardless of the material used, the quality should be high, and it should be malleable enough for bending, rolling and stamping into the desired form.

Aluminum alloys, particularly 5052 H32, are popular for use in manufacturing diesel fuel tanks because they contain enough magnesium to give them enough pliability for meeting the requirements of manufacturing. Majority of diesel fuel tanks currently produced are made from steel, although many truck operators prefer aluminum. This is because aluminum offers the advantages of resistance against corrosion and lighter weight.

If stainless steel or steel are selected, they should be made from prime grade materials. Paramount consideration should be placed in choosing materials that are amenable to bending and stamping. They should be ductile enough for bending and shaping, and yet thick enough for the required strength and the capacity to be welded. This is especially important in diesel fuel tanks that are designed to have sharp bends.

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Enrique Freyre and Diesel Fuel Tanks

Enrique Freyre, the industry leader, supplies pumps, filters, flow meters, reels, hoses and accessories that are frequently connected to mobile or stationary diesel fuel tanks.


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