tanques diesel

Diesel Tanks: Advantages and disadvantages

Diesel tanks are used for the safe transport of diesel. They serve to refuel. They are used also to store it  but in this case you should take some care.


What is a diesel tank?

Diesel tanks are storage tanks  made of HDPE (High Density Polyethylene) that serves not only to  store diesel, but to transport it. Diesel tanks are made of this material, as it has corrosion-resistant properties and high densities.



  • Can be transported anywhere.
  • Some bring electric pumps  for diesel distribution.
  • Lighter when compared to iron.



  • It can only be used with diesel;
  • It is not easy to wash (risk of debris to contaminate the diesel).
  • You can only store it for a certain period of time.


Evolution of diesel iron tanks to HDPE

The first diesel tanks were made of iron. These were heavy and although they were able to store the diesel, they contaminated the diesel after some time due to wear and tear. Currently, they are only manufactured in high density polyethylene. Here are some advantages:

  • Low cost, compared to aluminum and stainless steel tanks.
  • Can support small impacts without breaking, as well as residual deformations of these impacts;
  • Freedom of design that facilitates their maneuverability and vehicle storage
  • Superior corrosion resistance.

Another advantage in the new diesel tanks is the possibility of bringing with you, in a container next to it, a quantity of Adblue. This is due to new diesel vehicles having the need to refuel this liquid to  reduce  CO2 emissions.

KROFtools offers an Adblue diesel tank. Check.


How long can you store diesel in diesel tanks?

Fuel can be stored between 6 and 12 months if stored at a temperature above 21 degrees Celsius.

If it is below 21 degrees Celsius it will last  than 12 months. From this time, the diesel begins to react with oxygen inside the tank and forms a diesel gum.

After this reaction the diesel should not be used, as it may have consequences on the vehicle that uses it later.

If this fuel contaminated is inside a vehicle tank, one of the poor quality indicator signs is white smoke coming out of the vehicle exhaust when the gear starts.


Is it possible to store diesel at home?

APSEI (Portuguese Safety Association) does not advise anyone to store diesel at home. However, according to the law, as long as it is in the proper storage places it is possible to do so. It is only recommended that you always take into mind the status of these tanks, as you run the risk of leakage in case of poor condition.


Do I need a license to transport these materials to carry diesel?

According to APSEI, the transport of all types of fuels by individuals in approved/certified containers must not exceed 60 liters per container and 240 liters per transport unit. If these values are exceeded, you are subject to a license.


Is diesel contaminated in diesel tanks?

Diesel is in poor condition when exposed to something that accelerates its natural process of deterioration. This acceleration worsens the quality of diesel.

For example, any fuel that appears dark, with an apparent type of varnish on top or that looks like mud is not in a condition to be used.

Here are the 4 other reasons that leave diesel in bad tanks:

  1. Water
  2. Condensation
  3. Microbes
  4. Contact with zinc or copper

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