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Heavy-duty fuel system filter - an efficient purification device for diesel heavy engines

Nov 21,2025

Large diesel-powered heavy machinery (such as mining trucks and crawler cranes) has strict requirements for fuel cleanliness. Water, paraffin and mechanical impurities in the fuel can easily cause wear of fuel injectors and pump failure.

Heavy-duty fuel system filter - an efficient purification device for diesel heavy engines

Large diesel-powered heavy machinery (such as mining trucks and crawler cranes) has strict requirements for fuel cleanliness. Water, paraffin and mechanical impurities in the fuel can easily cause wear of fuel injectors and pump failure. 

 

This heavy-duty fuel system filter is specially designed for large-displacement diesel engines, integrating three functions: oil-water separation, fine filtration, impurity removal, and anti-coagulation protection, to ensure the stable operation of the fuel system in all aspects. The filter material adopts a composite structure of polyimide nanofiber membrane and wood pulp filter paper, with a filtration accuracy of 5 microns. The capture rate of paraffin particles in diesel can reach 99.7%. Meanwhile, the built-in centrifugal oil-water separator utilizes a 1200G centrifugal force to efficiently separate water from the fuel, achieving a separation efficiency of 98%.


In response to the operational requirements in the severely cold northern regions, the filter is equipped with an electric heating module that can stably control the fuel temperature above 5℃, preventing paraffin crystallization from clogging the filter material and ensuring smooth fuel flow in a low-temperature environment of -30℃. The shell is made of high-strength nylon 66 material, with a tensile strength of up to 80MPa. 

 

It has excellent impact resistance and can adapt to the jolts and vibrations during the operation of heavy machinery. The sealing parts are made of fluororubber material, which has strong resistance to fuel corrosion and can be compatible with National VI standard diesel and biodiesel, avoiding fuel leakage caused by the swelling of the sealing parts.

This product can be directly matched with the fuel systems of Beifang TR100 mining trucks and Zoomlion QAY2000 cranes. In scenarios such as coal mines and wind power hoisting, it extends the replacement cycle of engine fuel injectors from 300 hours to 800 hours, doubles the lifespan of fuel pumps, and reduces fuel consumption by 3% at the same time. A single mining truck can save over 200,000 yuan in fuel costs annually.

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