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Serving the Western U.S. since
1953
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Fuel is one of the highest, most consistent costs on any construction or demolition jobsite. There are ways you can ensure you are getting the most out of your fuel, however, and that your machines are running as efficiently as possible. Poor quality or inadequate filtration or storage can hurt performance, hinder starting, worsen fuel economy, and lead to serious engine damage.
Follow these tips to get the most out of your diesel fuel on every job.
Keep water out
Water is the primary source of issues when it comes to diesel fuel. With fuel injection pressures reaching
30,000 psi, even the smallest amount of H2O can cause an injector tip to blow, leading to major,
costly engine repairs. Water can also contribute to the growth of algae, which can plug filters and result
in fuel system failure.
Find the right fuel filter
Using the fuel filter recommended by the manufacturer for your specific piece of equipment is essential to
removing particulates and water. Having the wrong filter can allow small pieces of dirt or dust to enter the
engine and get stuck in the openings of injectors, causing decreased engine performance or damage. For the
majority of modern machines, particulates even as small as the 1 to 2 micron range must be removed.
How often to replace diesel fuel filters
Heavy equipment fuel filters typically need to be changed every 500 hours. When applicable, the transparent
fuel-water separator filter bowl should be checked daily and drained as necessary. To find exact information
on the suggested change intervals for your particular piece of equipment, check your owner's manual.
Avoid dust during fueling and service
To prevent dirt and dust from entering your fuel system, we recommend changing filters, refueling, and
completing repairs indoors whenever possible. When performing service outside, erect windbreakers as needed
to protect the work area from airborne contaminants. After refueling, always return the nozzle to the pump,
rather than letting it fall on the ground where it could gather dust.
Use additives wisely
Certain additives can be useful for preventing the growth of algae, stopping the buildup of asphaltenes, as
well as mitigating the negative effects of water, stabilizing fuel during storage, and cleaning fuel
injectors. Always check your owner's manual or consult the supplier to find the right additive and ensure
it's compatible with your machine's engine and after treatment system.
Contact your local branch for more information on dealing with diesel fuel.