Fuels, Lubricants and Coolant
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DX,FUEL5 –19–19DEC03–1/1
Lubricity of Diesel Fuel
Diesel fuel must have adequate lubricity to ensure
proper operation and durability of fuel injection system
components.
ASTM D975 and EN 590 specifications do not require
fuels to pass a fuel lubricity test.
Sulfur content of diesel fuel for highway use is less
than 0.05% (500 ppm) in the United States and
Canada, and less than 0.035% (350 ppm) in the
European Union.
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.
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 load level of
3100 grams as measured by ASTM D6078 or
maximum scar diameter of 0.45 mm as measured by
ASTM D6079 or ISO 12156-1.
If fuel of low or unknown lubricity is used, add John
Deere PREMIUM DIESEL FUEL CONDITIONER (or
equivalent) at the specified concentration.
DX,FUEL6 –19–06DEC00–1/1
Dieselscan Fuel Analysis
DIESELSCAN is a John Deere fuel sampling program to
help you monitor the quality of your fuel source. It verifies
fuel type, cleanliness, water content, suitability for cold
weather operation, and if fuel is within ASTM
specifications. Check with your John Deere dealer for
availability of DIESELSCAN kits.
DIESELSCAN is a trademark of Deere & Company
CTM100 (06APR04)
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P
OWER
T
ECH
10.5 L & 12.5 L Diesel Engines
040604
PN=33
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