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Diesel fuel must have adequate lubricity to ensure proper operation and durability of fuel injection system components.
Diesel fuels for highway use in the United States and Canada require sulfur content less than 0.05%.
Diesel fuel in the European Union requires sulfur content less than 0.05%.
Experience shows that some low sulfur diesel fuels may have inadequate lubricity and their use may reduce performance in fuel injection systems due to inadequate lubrication of injection pump components. The lower concentration of aromatic compounds in these fuels also adversely affects injection pump seals and may result in leaks.
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Use of low lubricity diesel fuels may also cause accelerated wear, injection nozzle erosion or corrosion, engine speed instability, hard starting, low power, and engine smoke.
Fuel lubricity should pass a minimum of 3100 gram load level as measured by the BOCLE scuffing test.
ASTM D975 and EN 590 specifications do not require fuels to pass a fuel lubricity test.
If fuel of low or unknown lubricity is used, add John Deere PREMIUM DIESEL FUEL CONDITIONER (or equivalent) at the specified concentration.
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