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Avoid Using Contaminated Fuel
Fuel that is contaminated by water or dirt can cause
severe damage to the engine fuel system which is not
covered by the warranty. Proper maintenance of the
engine fuel filter and fuel tank is essential. (See Section 7
for Maintenance Procedures).
NOTE: Climatized diesel fuel is a blend of Number 2
and Number 1 Diesel fuel which reduces the temperature
at which wax crystals form in the fuel.
Bulk Fuel Storage
If you store quantities of fuel, good maintenance of the
stored fuel is also essential. Fuel contaminated with
water will promote the growth of “microbes.” These
microbes form “slime” that will clog fuel filters and lines.
Drain condensation from the supply tank and change the
line filter on a regular basis.
Fuel Specifications
The Cummins Turbocharged, Charge Air Cooled, Diesel
engine has been developed to take advantage of the high
energy content and generally lower cost No. 2 diesel fuel
or No. 2 climatized diesel fuels. Experience has shown
that it also operates on No. 1 diesel fuels or other fuels
within the specifications in the following chart.
NOTE: As sufficient testing has not been completed,
organically blended diesel fuels (e.g. biodiesel, ethanol,
and methanol blends) are not recommended or approved
for use with your Cummins Diesel equipped Dodge Ram
Truck.
NOTE: In addition, commercially available fuel addi-
tives are not necessary for the proper operation of your
Cummins Diesel equipped Dodge Ram Truck.
NOTE: No. 1 diesel fuel should only be used where
extended arctic conditions (-10°F or 23°C) exist.
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