Common Problems with Diesel Tanks and How to Fix Them

diesel tank used to store fuel in safely

Diesel tanks are an essential part of many industries, from transportation to agriculture. However, like any piece of equipment, they can experience issues that can cause delays and disruptions in operations. In this article, we will discuss some common problems with diesel tanks and how to fix them.


One of the most common problems with diesel tanks is leaks. These can occur due to corrosion, damage, or faulty seals. Leaks not only result in the loss of valuable fuel, but they can also pose a safety hazard. To fix a leak, first, identify the source of the leak. If it is a small hole or crack, it can be patched with a sealant or welded. For larger leaks, it may be necessary to replace the tank or have it professionally repaired.


Contamination is another common issue with diesel tanks. This can occur due to water, dirt, or debris entering the tank. Contaminated fuel can cause damage to engines and result in costly repairs. To fix this problem, regularly inspect and clean the tank, and ensure that the fuel being added is clean and free of contaminants. Installing a filter can also help prevent contamination.


Over time, diesel tanks can develop corrosion, especially if they are not properly maintained. Corrosion can weaken the tank and lead to leaks and other issues. To fix this problem, regularly inspect the tank for signs of corrosion and address any issues immediately. Applying a protective coating to the tank can also help prevent corrosion.


Overfilling a diesel tank can cause spills and create a safety hazard. It can also result in costly fines and damage to the environment. To prevent overfilling, install an automatic shut-off valve or an alarm system that alerts when the tank is reaching capacity. Proper training for employees on how to fill the tank can also help prevent overfilling.

Fuel Quality

The quality of the fuel being stored in a diesel tank is crucial. Poor quality fuel can lead to engine issues and equipment breakdowns. To ensure the fuel is of high quality, purchase from a reputable supplier and regularly test the fuel for contaminants. If any issues are found, dispose of the fuel properly and clean the tank before adding new fuel.


Condensation can occur in diesel tanks, especially in areas with fluctuating temperatures. This can lead to water buildup in the tank, which can cause contamination and corrosion. To prevent condensation, regularly drain any water from the tank and keep it in a temperature-controlled environment. Installing a fuel additive can also help prevent water build up.

By being aware of these common problems and taking preventative measures, you can ensure that your 1000 gallon diesel tank operates smoothly and efficiently. Regular maintenance and inspections are key to identifying and addressing any issues before they become major problems. If you encounter any of these problems, be sure to address them promptly to avoid costly repairs and disruptions in operations.

Have you experienced any of these issues with your diesel tank?

Compass Fuels have a range of fully bunded steel tanks from 1000 litres up to 10,000 litres available for long or short term hire all over the country, Our most popular unit is the CFT1500, shown above.


  • 1500 litre safe working capacity.
  • Suitable for storing a range or products  such as White Diesel, HVO, Gas Oil & or Kerosene Heating Oil.
  • Fuel Level Gauge
  • Lockable Lid with gas strut.
  • 2″ Fill point and separate breather pipe.
  • Manual side lever pump (electric pumps available).

If you are interested in hiring one of our fuel bowsers please call today on 0330 128 9838.