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402 TECHNICAL SPECIFICATIONS
comply with Oil Change requirements for vehicles
operating on biodiesel blends up to B20 will result
in premature engine wear. Such wear is not
covered by the New Vehicle Limited Warranty.
Biodiesel is a fuel produced from renewable
resources typically derived from animal fat,
rapeseed oil (Rapeseed Methyl Ester (RME) base),
or soybean oil (Soy Methyl Ester (SME or SOME)
base). Biodiesel fuel has inherent limitations which
require that you understand and adhere to the
following requirements if you use blends of
biodiesel greater then 5% but not greater than
20% (B6-B20). There are no unique restrictions for
the use of B5. Use of blends greater than 20% is
not approved. Use of blends greater than 20% can
result in engine damage. Such damage is not
covered by the New Vehicle Limited Warranty.
Fuel Quality — Must Comply With ASTM
Standards
The quality of biodiesel fuel may vary widely. Only
fuel produced by a BQ9000 supplier to the
following specifications may be blended to meet
biodiesel blend (B6–B20) fuel meeting ASTM
specification D-7467:
Petrodiesel fuel meeting ASTM specification
D-975 and biodiesel fuel (B100) meeting ASTM
specification D-6751.
Fuel Oxidation Stability — Must Use Fuel
Within Six Months Of Manufacture
Biodiesel fuel has poor oxidation stability which
can result in long term storage problems. Fuel
produced to approved ASTM standards, if stored
properly, provides for protection against fuel
oxidation for up to six months.
Fuel Water Separation — Must Use
Mopar®/Cummins® Approved Fuel Filter
Elements
You must use Mopar®/Cummins® approved fuel
filter elements in both your engine mounted filter
and frame mounted filter.
Biodiesel fuel has a natural affinity to water and
water accelerates microbial growth. Your Mopar®/
Cummins® filtration system is designed to provide
adequate fuel water separation capabilities.
Biodiesel Fuel Properties — Low Ambient
Temperatures
Biodiesel fuel may gel or solidify at low ambient
temperatures, which may pose problems for both
storage and operation. Precautions can be
necessary at low ambient temperatures, such as
storing the fuel in a heated building or a heated
storage tank, or using cold temperature additives.
Fuel In Oil Dilution — Must Adhere To
Required Oil Change Interval
Fuel dilution of lubricating oil has been observed
with the use of biodiesel fuel. Fuel in oil must not
exceed 5%. To ensure this limit is met your oil
change interval must be maintained to the
following schedule:
Ram 3500/4500/5500 Chassis Cab —
12,500 Miles (20,000 km)*
(*unless otherwise notified with a oil service
message)
CAUTION!
Under no circumstances should oil change
intervals exceed 12,500 miles (20,000 km) if
operation occurs with greater than 5%
biodiesel blends. Oil change intervals should
not exceed six months in either case. Failure to
comply with these Oil Change requirements for
vehicles operating on biodiesel blends up to
B20 may result in premature engine wear.
Such wear is not covered by the New Vehicle
Limited Warranty.
B20 Biodiesel capable: The engine may suffer
severe damage if operated with concentra-
tions of Biodiesel higher than 20%.
22_DPF_OM_EN_USC_t.book Page 402
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