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Trucks can hold up to several hundred liters of fuel – while the largest tanks have a capacity of up to 1500 liters! Multiply this value by the current, high price of fuel on the market to see how tempting it is for thieves to steal such a quantity of diesel.

It is therefore completely natural that the owners of such vehicles decide to protect the fuel tank. In today's article, however, we will present the most effective ways to protect yourself. We cordially invite you!

Why is it worth protecting the fuel tank in trucks?

The first obvious reason why it is important to protect the fuel tank in large vehicles is, of course, to avoid financial losses for the company. Particularly in the case of international transport, we should protect the fuel - foreign registration numbers and, as a rule, lack of knowledge of the area, may translate into more frequent theft attempts from such vehicles.

In addition, the theft of fuel can cause even greater complications, e.g. when the gas station is located far away from the given location. Even if the situation is not so dramatic – the driver still has to lose time to report the theft and refuel. In addition, delays resulting from the theft may also have unforeseen consequences and, for example, violate the terms of the contract with the contractor.

So let's summarize the above information:

  • Fuel theft is a serious financial loss
  • Fuel theft is also a complication in logistics
  • It is worth paying special attention to international transport

Not only trucks!

Remember, however, that thieves do not only steal fuel from trucks, but also from all kinds of agricultural and construction machines, which very often, due to their location - create ideal conditions for carrying out this disgraceful practice. 

So let's summarize why you should protect the fuel tank of trucks and other vehicles: 

Traditional methods of securing the fuel filler

The problem of fuel theft concerns the transport industry practically from the very beginning of its existence. It is for this reason that fleet owners have always used all kinds of methods - some less and some much more effective. 

Traditional methods of securing the fuel filler include, for example, a padlock placed on the fuel filler. Unfortunately, as you can guess, this is not a perfect protection, because there are inexpensive tools that can deal with such protection in a moment. 

The traditional method is also an ad hoc vehicle inspection, as well as ... parking in guarded parking lots or at least well lit, where there are many other drivers. Such places definitely deter potential fuel thieves. 

Below is a list of traditional methods:

  • Infusion padlock
  • Parking in well-lit or guarded areas
  • Ad hoc driver check

Advanced methods of securing fuel tanks against theft

Nowadays, the ways of stealing fuel and dealing with traditional security measures have unfortunately evolved. That is why there is a need for more advanced solutions that will minimize the possibility of theft to virtually zero.

A very interesting solution is the protection in the form of an infusion lock with a special anti-splash valve. In a nutshell, it works in such a way that the fuel suction becomes very time-consuming - the blockage, however, does not affect the refueling capacity. You can also use probes and floats connected to the GPS system, which will inform about a sudden drop in fuel in the tank. 

Here is a list of advanced methods:

  • Filler locks with anti-splash valve
  • Fuel metering systems and alerts for sudden diesel level changes


Anti-theft fuel security is a solution that guarantees greater security of our property. It is worth betting on a combination of both traditional and advanced methods described in this article, which ensures the greatest effectiveness!